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Public Safety Alerts
Wisconsin Severe Extreme Heat Warning | Effective 07/27/2026 11:54
Extreme Heat Warning issued July 27 at 1:54PM CDT until July 27 at 9:00PM CDT by NWS Milwaukee/Sullivan WI
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values as high
as 115 degrees.
* WHERE...Green Lake and Marquette Counties.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Marquette County WI, Green Lake County WI
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:54
Expires: Monday, July 27, 2026 - 19:00
Sender: w-nws.webmaster@noaa.gov
California Severe Fire Warning | Effective 07-27-2026 11:58
Alert from InyoCountyCA
Event: Fire Warning
Desc: Tuesday, July 27, 2026 12:00 PM: This is a CONTINUATION OF AN EVACUATION WARNING in place for an active wildfire. Zones 123-B and 137-D have been downgraded to a warning. All prior warnings remain in effect. The area affected are Big Pine Canyon/Fish Springs/Aberdean/Fort Independence. Unknown duration for warning.
Areas: Inyo County CA
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:58
Expires: Tuesday, July 28, 2026 - 11:58
Sender: sscott@inyocounty.us
Mississippi Severe Extreme Heat Warning | Effective 07/27/2026 11:56
Extreme Heat Warning issued July 27 at 1:56PM CDT until July 27 at 9:00PM CDT by NWS Jackson MS
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values in excess
of 110 degrees.
* WHERE...Portions of north central and northwest Mississippi.
* WHEN...For the first Extreme Heat Warning, until 9 PM CDT this
evening. For the second Extreme Heat Warning, from 10 AM to 9 PM
CDT Tuesday.
* IMPACTS...Heat related illnesses...
Areas: Bolivar County MS, Sunflower County MS, Leflore County MS
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:56
Expires: Monday, July 27, 2026 - 20:00
Sender: w-nws.webmaster@noaa.gov
Wisconsin Severe Extreme Heat Warning | Effective 07/27/2026 11:54
Extreme Heat Warning issued July 27 at 1:54PM CDT until July 27 at 9:00PM CDT by NWS Milwaukee/Sullivan WI
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values as high
as 117 degrees.
* WHERE...Columbia, Dane, Green, Iowa, Lafayette, Rock, and Sauk
Counties.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Sauk County WI, Columbia County WI, Iowa County WI, Dane County WI, Lafayette County WI, Green County WI, Rock County WI
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:54
Expires: Monday, July 27, 2026 - 19:00
Sender: w-nws.webmaster@noaa.gov
Mississippi Severe Extreme Heat Warning | Effective 07/27/2026 11:56
Extreme Heat Warning issued July 27 at 1:56PM CDT until July 28 at 9:00PM CDT by NWS Jackson MS
Event: Extreme Heat Warning
Desc: * WHAT...For the Heat Advisory, heat index values up to 110. For the
Extreme Heat Warning, dangerously hot conditions with heat index
values in excess of 110 degrees.
* WHERE...Portions of central, north central, northwest, southwest,
and west central Mississippi.
* WHEN...For the Heat Advisory, until 9 PM CDT this evening. For...
Areas: Grenada County MS, Carroll County MS, Washington County MS, Humphreys County MS, Holmes County MS, Issaquena County MS, Sharkey County MS, Yazoo County MS, Madison County MS, Warren County MS, Hinds County MS, Rankin County MS, Claiborne County MS, Copiah County MS, Simpson County MS, Jefferson County MS
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:56
Expires: Monday, July 27, 2026 - 20:00
Sender: w-nws.webmaster@noaa.gov
Mississippi Severe Extreme Heat Warning | Effective 07/27/2026 11:56
Extreme Heat Warning issued July 27 at 1:56PM CDT until July 28 at 9:00PM CDT by NWS Jackson MS
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values in excess
of 110 degrees.
* WHERE...Portions of north central and northwest Mississippi.
* WHEN...For the first Extreme Heat Warning, until 9 PM CDT this
evening. For the second Extreme Heat Warning, from 10 AM to 9 PM
CDT Tuesday.
* IMPACTS...Heat related illnesses...
Areas: Bolivar County MS, Sunflower County MS, Leflore County MS
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:56
Expires: Monday, July 27, 2026 - 20:00
Sender: w-nws.webmaster@noaa.gov
California Severe Extreme Heat Warning | Effective 07/27/2026 11:49
Extreme Heat Warning issued July 27 at 11:49AM PDT until July 27 at 9:00PM PDT by NWS Hanford CA
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with high temperatures up to 108.
* WHERE...Indian Wells Valley and Mojave Desert.
* WHEN...Until 9 PM PDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
Areas: Kern County CA
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:49
Expires: Monday, July 27, 2026 - 21:00
Sender: w-nws.webmaster@noaa.gov
Connecticut, Massachusetts, New York Severe Flood Watch | Effective 07/27/2026 11:31
Flood Watch issued July 27 at 2:31PM EDT until July 29 at 8:00PM EDT by NWS Albany NY
Event: Flood Watch
Desc: * WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...The mid-Hudson Valley, eastern Catskills, Litchfield
County, central and southern Taconics, and western Massachusetts.
* WHEN...From Tuesday afternoon through Wednesday evening.
* IMPACTS...Excessive runoff from heavy rainfall rates may flood
low-lying, poor...
Areas: Litchfield County CT, Berkshire County MA, Greene County NY, Columbia County NY, Ulster County NY, Dutchess County NY
Severity: Severe
Urgency: Future
Effective: Monday, July 27, 2026 - 11:31
Expires: Tuesday, July 28, 2026 - 05:45
Sender: w-nws.webmaster@noaa.gov
Delaware, New Jersey, Pennsylvania Severe Flood Watch | Effective 07/27/2026 11:15
Flood Watch issued July 27 at 2:15PM EDT until July 29 at 2:00PM EDT by NWS Mount Holly NJ
Event: Flood Watch
Desc: * WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Northern Delaware, New Jersey and eastern Pennsylvania
including the Southern Poconos, Lehigh Valley and metro
Philadelphia.
* WHEN...From Tuesday morning through Wednesday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks...
Areas: New Castle County DE, Sussex County NJ, Warren County NJ, Morris County NJ, Hunterdon County NJ, Somerset County NJ, Middlesex County NJ, Monmouth County NJ, Mercer County NJ, Salem County NJ, Gloucester County NJ, Camden County NJ, Burlington County NJ, Ocean County NJ, Carbon County PA, Monroe County PA, Berks County PA, Lehigh County PA, Northampton County PA, Delaware County PA, Philadelphia County PA, Chester County PA, Montgomery County PA, Bucks County PA
Severity: Severe
Urgency: Future
Effective: Monday, July 27, 2026 - 11:15
Expires: Monday, July 27, 2026 - 23:15
Sender: w-nws.webmaster@noaa.gov
Connecticut, Massachusetts Severe Flood Watch | Effective 07/27/2026 11:07
Flood Watch issued July 27 at 2:07PM EDT until July 29 at 8:00PM EDT by NWS Boston/Norton MA
Event: Flood Watch
Desc: * WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...Hampden, Hampshire and Franklin Counties in western
Massachusetts, as well as Hartford and Tolland Counties in
Northern Connecticut.
* WHEN...From Tuesday afternoon through Wednesday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,...
Areas: Hartford County CT, Tolland County CT, Franklin County MA, Hampshire County MA, Hampden County MA
Severity: Severe
Urgency: Future
Effective: Monday, July 27, 2026 - 11:07
Expires: Tuesday, July 28, 2026 - 04:00
Sender: w-nws.webmaster@noaa.gov
Kansas Severe Extreme Heat Warning | Effective 07/27/2026 10:45
Extreme Heat Warning issued July 27 at 12:45PM CDT until July 27 at 9:00PM CDT by NWS Wichita KS
Event: Extreme Heat Warning
Desc: * WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 112. For the Heat Advisory, heat index
values up to 106 expected.
* WHERE...Portions of south central and southeast Kansas.
* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this...
Areas: Reno County KS, Harvey County KS, Butler County KS, Greenwood County KS, Woodson County KS, Allen County KS, Kingman County KS, Sedgwick County KS, Harper County KS, Sumner County KS, Cowley County KS, Elk County KS, Wilson County KS, Neosho County KS, Chautauqua County KS, Montgomery County KS, Labette County KS
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:45
Expires: Tuesday, July 28, 2026 - 06:00
Sender: w-nws.webmaster@noaa.gov
Texas Severe Extreme Heat Warning | Effective 07/27/2026 11:33
Extreme Heat Warning issued July 27 at 1:33PM CDT until July 27 at 10:00PM CDT by NWS Amarillo TX
Event: Extreme Heat Warning
Desc: * WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 110. For the Heat Advisory tomorrow,
temperatures up to 109 degrees.
* WHERE...Palo Duro Canyon.
* WHEN...For the Extreme Heat Warning, until 10 PM CDT this evening.
For the Heat Advisory, from 10 PM this evening to 10 PM CDT
Tuesday.
*...
Areas: Randall County TX
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:33
Expires: Monday, July 27, 2026 - 20:00
Sender: w-nws.webmaster@noaa.gov
Illinois Severe Extreme Heat Warning | Effective 07/27/2026 11:41
Extreme Heat Warning issued July 27 at 1:41PM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 112.
* WHERE...Portions of central, east central, southeast, and west
central Illinois.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS......
Areas: Knox County IL, Stark County IL, Peoria County IL, Marshall County IL, Woodford County IL, Fulton County IL, Tazewell County IL, McLean County IL, Schuyler County IL, Mason County IL, Logan County IL, De Witt County IL, Piatt County IL, Champaign County IL, Vermilion County IL, Cass County IL, Menard County IL, Scott County IL, Morgan County IL, Sangamon County IL, Christian County IL, Macon County IL, Moultrie County IL, Douglas County IL, Coles County IL, Edgar County IL, Shelby County IL, Cumberland County IL, Clark County IL, Effingham County IL, Jasper County IL, Crawford County IL, Clay County IL, Richland County IL, Lawrence County IL
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:41
Expires: Monday, July 27, 2026 - 19:00
Sender: w-nws.webmaster@noaa.gov
Oklahoma, Texas Severe Extreme Heat Warning | Effective 07/27/2026 11:33
Extreme Heat Warning issued July 27 at 1:33PM CDT until July 27 at 10:00PM CDT by NWS Amarillo TX
Event: Extreme Heat Warning
Desc: * WHAT...For the Extreme Heat Warning today, dangerously hot
conditions with temperatures up to 110 expected. For the Heat
Advisory tomorrow, temperatures up to 105 expected.
* WHERE...In Oklahoma, Beaver and Texas Counties. In Texas,
Hansford, Hemphill, Hutchinson, Lipscomb, Moore, Ochiltree,
Roberts, and Sherman Counties.
*...
Areas: Texas County OK, Beaver County OK, Sherman County TX, Hansford County TX, Ochiltree County TX, Lipscomb County TX, Moore County TX, Hutchinson County TX, Roberts County TX, Hemphill County TX
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:33
Expires: Monday, July 27, 2026 - 20:00
Sender: w-nws.webmaster@noaa.gov
Kansas Severe Extreme Heat Warning | Effective 07/27/2026 10:45
Extreme Heat Warning issued July 27 at 12:45PM CDT until July 27 at 9:00PM CDT by NWS Wichita KS
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 112.
* WHERE...Barton, Ellsworth, Lincoln, Marion, McPherson, Rice,
Russell, Saline, and Chase Counties.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Russell County KS, Lincoln County KS, Barton County KS, Ellsworth County KS, Saline County KS, Rice County KS, McPherson County KS, Marion County KS, Chase County KS
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:45
Expires: Monday, July 27, 2026 - 19:00
Sender: w-nws.webmaster@noaa.gov
Montana Severe Extreme Heat Warning | Effective 07/27/2026 10:46
Extreme Heat Warning issued July 27 at 11:46AM MDT until July 28 at 12:00AM MDT by NWS Billings MT
Event: Extreme Heat Warning
Desc: * WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 102 occurring. For the Heat Advisory,
temperatures up to 97 expected.
* WHERE...Custer.
* WHEN...For the Extreme Heat Warning, until midnight MDT tonight.
For the Heat Advisory, from midnight tonight to midnight MDT
Tuesday Night.
*...
Areas: Custer County MT
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:46
Expires: Tuesday, July 28, 2026 - 11:00
Sender: w-nws.webmaster@noaa.gov
Kansas, Nebraska Severe Extreme Heat Warning | Effective 07/27/2026 11:12
Extreme Heat Warning issued July 27 at 1:12PM CDT until July 27 at 10:00PM CDT by NWS Hastings NE
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions for a third consecutive day, with
afternoon and early evening heat index values reaching up to around
110 to 120 degrees.
* WHERE...Portions of north central Kansas and central, east central,
and south central Nebraska.
* WHEN...Until 10 PM CDT this evening.
* IMPACTS...Heat related illnesses...
Areas: Phillips County KS, Smith County KS, Jewell County KS, Rooks County KS, Osborne County KS, Mitchell County KS, Valley County NE, Greeley County NE, Nance County NE, Sherman County NE, Howard County NE, Merrick County NE, Polk County NE, Dawson County NE, Buffalo County NE, Hall County NE, Hamilton County NE, York County NE, Gosper County NE, Phelps County NE, Kearney County NE, Adams County NE, Clay County NE, Fillmore County NE, Furnas County NE, Harlan County NE, Franklin County NE, Webster County NE, Nuckolls County NE, Thayer County NE
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:12
Expires: Monday, July 27, 2026 - 20:00
Sender: w-nws.webmaster@noaa.gov
Illinois Severe Severe Thunderstorm Watch | Effective 07/27/2026 11:40
Severe Thunderstorm Watch issued July 27 at 1:40PM CDT until July 27 at 8:00PM CDT by NWS Lincoln IL
Event: Severe Thunderstorm Watch
Desc: THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
521 IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR THE FOLLOWING AREAS
IN ILLINOIS THIS WATCH INCLUDES 11 COUNTIES
IN EAST CENTRAL ILLINOIS
CHAMPAIGN CLARK COLES
CUMBERLAND DOUGLAS EDGAR
VERMILION
IN SOUTHEAST...
Areas: Champaign County IL, Clark County IL, Coles County IL, Crawford County IL, Cumberland County IL, Douglas County IL, Edgar County IL, Jasper County IL, Lawrence County IL, Richland County IL, Vermilion County IL
Severity: Severe
Urgency: Future
Effective: Monday, July 27, 2026 - 11:40
Expires: Monday, July 27, 2026 - 18:00
Sender: w-nws.webmaster@noaa.gov
Indiana Severe Severe Thunderstorm Watch | Effective 07/27/2026 11:39
Severe Thunderstorm Watch issued July 27 at 2:39PM EDT until July 27 at 9:00PM EDT by NWS Indianapolis IN
Event: Severe Thunderstorm Watch
Desc: THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
521 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS
IN INDIANA THIS WATCH INCLUDES 39 COUNTIES
IN CENTRAL INDIANA
BARTHOLOMEW BOONE CLINTON
DECATUR HAMILTON HANCOCK
HENDRICKS HOWARD...
Areas: Bartholomew County IN, Boone County IN, Brown County IN, Carroll County IN, Clay County IN, Clinton County IN, Daviess County IN, Decatur County IN, Delaware County IN, Fountain County IN, Greene County IN, Hamilton County IN, Hancock County IN, Hendricks County IN, Henry County IN, Howard County IN, Jackson County IN, Jennings County IN, Johnson County IN, Knox County IN, Lawrence County IN, Madison County IN, Marion County IN, Martin County IN, Monroe County IN, Montgomery County IN, Morgan County IN, Owen County IN, Parke County IN, Putnam County IN, Randolph County IN, Rush County IN, Shelby County IN, Sullivan County IN, Tippecanoe County IN, Tipton County IN, Vermillion County IN, Vigo County IN, Warren County IN
Severity: Severe
Urgency: Future
Effective: Monday, July 27, 2026 - 11:39
Expires: Monday, July 27, 2026 - 18:00
Sender: w-nws.webmaster@noaa.gov
Arkansas Severe Extreme Heat Warning | Effective 07/27/2026 11:28
Extreme Heat Warning issued July 27 at 1:28PM CDT until July 28 at 8:00PM CDT by NWS Little Rock AR
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 115.
* WHERE...Portions of central, eastern, north central, southeast,
and western Arkansas.
* WHEN...Until 8 PM CDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Sharp County AR, Randolph County AR, Independence County AR, Lawrence County AR, Cleburne County AR, Jackson County AR, Conway County AR, Faulkner County AR, White County AR, Woodruff County AR, Perry County AR, Saline County AR, Pulaski County AR, Lonoke County AR, Prairie County AR, Monroe County AR, Jefferson County AR, Arkansas County AR, Lincoln County AR, Desha County AR, Drew County AR, Johnson County AR, Pope County AR, Van Buren County AR, Logan County AR, Scott County AR, Yell County AR
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:28
Expires: Tuesday, July 28, 2026 - 05:00
Sender: w-nws.webmaster@noaa.gov
Montana Severe Extreme Heat Warning | Effective 07/27/2026 10:46
Extreme Heat Warning issued July 27 at 11:46AM MDT until July 28 at 12:00AM MDT by NWS Billings MT
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with temperatures up to 102
occurring.
* WHERE...Carter and Fallon.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Hot daytime temperatures combined with warm
overnight low temperatures will produce cumulative heat stress....
Areas: Fallon County MT, Carter County MT
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:46
Expires: Monday, July 27, 2026 - 23:00
Sender: w-nws.webmaster@noaa.gov
Tennessee Severe Extreme Heat Warning | Effective 07/27/2026 10:39
Extreme Heat Warning issued July 27 at 12:39PM CDT until July 28 at 8:00PM CDT by NWS Nashville TN
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 112.
* WHERE...Dickson, Hickman, Houston, Humphreys, Lawrence, Lewis,
Montgomery, Perry, Stewart, and Wayne Counties.
* WHEN...Until 8 PM CDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Stewart County TN, Montgomery County TN, Houston County TN, Humphreys County TN, Dickson County TN, Perry County TN, Hickman County TN, Lewis County TN, Wayne County TN, Lawrence County TN
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:39
Expires: Tuesday, July 28, 2026 - 05:00
Sender: w-nws.webmaster@noaa.gov
New Mexico Severe Flood Watch | Effective 07/27/2026 10:34
Flood Watch issued July 27 at 11:34AM MDT until July 28 at 9:00PM MDT by NWS Albuquerque NM
Event: Flood Watch
Desc: * WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of northern, central, and west central New Mexico.
* WHEN...From Tuesday afternoon through Tuesday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
*...
Areas: McKinley County NM, Rio Arriba County NM, Sandoval County NM, San Juan County NM, Catron County NM, Cibola County NM, Socorro County NM, Bernalillo County NM, Valencia County NM, Los Alamos County NM, San Miguel County NM, Santa Fe County NM, Colfax County NM, Mora County NM, Taos County NM, Torrance County NM
Severity: Severe
Urgency: Future
Effective: Monday, July 27, 2026 - 10:34
Expires: Monday, July 27, 2026 - 21:00
Sender: w-nws.webmaster@noaa.gov
Iowa Severe Extreme Heat Warning | Effective 07/27/2026 10:19
Extreme Heat Warning issued July 27 at 12:19PM CDT until July 27 at 10:00PM CDT by NWS Des Moines IA
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to
around 110 to 115 expected.
* WHERE...Most of central and southern Iowa.
* WHEN...Until 10 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Butler County IA, Bremer County IA, Calhoun County IA, Webster County IA, Hamilton County IA, Hardin County IA, Grundy County IA, Black Hawk County IA, Carroll County IA, Greene County IA, Boone County IA, Story County IA, Marshall County IA, Tama County IA, Audubon County IA, Guthrie County IA, Dallas County IA, Polk County IA, Jasper County IA, Poweshiek County IA, Cass County IA, Adair County IA, Madison County IA, Warren County IA, Marion County IA, Mahaska County IA, Adams County IA, Union County IA, Clarke County IA, Lucas County IA, Monroe County IA, Wapello County IA, Taylor County IA, Ringgold County IA, Decatur County IA, Wayne County IA, Appanoose County IA, Davis County IA
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:19
Expires: Monday, July 27, 2026 - 20:00
Sender: w-nws.webmaster@noaa.gov
Illinois, Missouri Severe Extreme Heat Warning | Effective 07/27/2026 10:14
Extreme Heat Warning issued July 27 at 12:14PM CDT until July 27 at 9:00PM CDT by NWS St Louis MO
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 110.
* WHERE...Portions of south central, southwest, and west central
Illinois and central and northeast Missouri.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Greene County IL, Macoupin County IL, Montgomery County IL, Fayette County IL, Adams County IL, Brown County IL, Pike County IL, Calhoun County IL, Jersey County IL, Knox County MO, Lewis County MO, Shelby County MO, Marion County MO, Monroe County MO, Ralls County MO, Pike County MO, Audrain County MO
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:14
Expires: Monday, July 27, 2026 - 19:00
Sender: w-nws.webmaster@noaa.gov
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- Wisconsin (4) Apply Wisconsin filter