Expected

Responsive action SHOULD be taken soon (within next hour)

Ohio Severe Flood Warning | Effective 08/11/2026 00:57

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northwestern Morgan County in southeastern Ohio... Central Perry County in southeastern Ohio... * WHEN...Until noon EDT Tuesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 356 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly

Illinois, Missouri Severe Extreme Heat Warning | Effective 08/11/2026 00:17

* WHAT...Dangerously hot conditions with heat index values up to 111. * WHERE...Portions of south central and southwest Illinois and central and east central Missouri. * WHEN...Until 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any

Ohio Severe Flood Warning | Effective 08/11/2026 00:24

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northwestern Perry County in southeastern Ohio... * WHEN...Until 930 AM EDT Tuesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 324 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 1.5 and 2.5 inches of rain have fallen.

Ohio Severe Flood Warning | Effective 08/11/2026 00:28

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Central Athens County in southeastern Ohio... Southwestern Morgan County in southeastern Ohio... West Central Washington County in southeastern Ohio... * WHEN...Until 930 AM EDT Tuesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 328 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly

Wyoming Severe Red Flag Warning | Effective 08/11/2026 00:08

The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon to 9 PM MDT Tuesday. * AFFECTED AREA...Fire weather zones 417 through 430. * WIND...West to northwest at 15 to 20 mph with gusts up to 35 mph, turning northerly into the evening hours. * HUMIDITY...Between 8 and 16 percent. * ADDITIONAL DETAILS...Isolated high-based showers will have the potential to produce gusty and erratic winds along with a few strikes of lightning without much, if any, rainfall

Ohio Severe Flood Warning | Effective 08/11/2026 00:12

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...North Central Athens County in southeastern Ohio... Morgan County in southeastern Ohio... Southern Perry County in southeastern Ohio... Northwestern Washington County in southeastern Ohio... * WHEN...Until 1115 AM EDT Tuesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 312 AM EDT, Doppler radar and automated rain gauges indicated

Kansas, Missouri Severe Extreme Heat Warning | Effective 08/10/2026 23:50

* WHAT...Dangerously hot conditions with heat index values up to 109. * WHERE...In Kansas, Linn KS and Miami Counties. In Missouri, Cooper, Howard, Pettis, Saline, Bates, Cass, Henry, and Johnson MO Counties. * WHEN...Until 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Ohio Severe Flood Warning | Effective 08/10/2026 23:43

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southern Muskingum County in east central Ohio... * WHEN...Until 845 AM EDT Tuesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 243 AM EDT, doppler radar indicates thunderstorms produced between 2 and 5 inches in the warned area. Flooding is ongoing or

Illinois Severe Extreme Heat Warning | Effective 08/10/2026 22:53

* WHAT...Dangerously hot conditions with peak heat index values up to 113 degrees. * WHERE...Perry IL County. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Daily heat index values will remain elevated in the triple digits through next weekend. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Ohio Severe Flood Warning | Effective 08/10/2026 22:27

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northwestern Union County in central Ohio... Southeastern Hardin County in west central Ohio... Northeastern Logan County in west central Ohio... * WHEN...Until 530 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 126 AM EDT, radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned
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