Expected

Responsive action SHOULD be taken soon (within next hour)

New Mexico Red Flag Warning | Effective 05/18/2026 00:36

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 9 PM MDT TODAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHWEST, CENTRAL AND EASTERN NEW MEXICO... .Another round of critical to extreme fire weather conditions is expected across southwest, central, and eastern New Mexico today after poor humidity recoveries and continued breezy conditions overnight. Winds will be even stronger across eastern New Mexico with gusts of 50 to 55+ mph. Several hours of single digit humidity

Michigan Special Weather Statement | Effective 05/18/2026 00:40

At 340 AM EDT/240 AM CDT/, Doppler radar was tracking strong thunderstorms along a line extending from 10 miles north of Iron River to 7 miles south of Parrish. Movement was northeast at 55 mph. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Iron River, Crystal Falls, Stambaugh, Amasa, U.S. 141 between Covington and Amasa, Caspian, Gaastra, Alpha, Way Dam, Stager, Hagerman Lake, Peavy Falls Dam, Mineral Hills, Bewabic State Park,

Arizona Wind Advisory | Effective 05/18/2026 00:02

* WHAT...Southwest winds 20 to 30 mph with gusts 45 to 55 mph. * WHERE...Chuska Mountains and Defiance Plateau, Little Colorado River Valley in Apache County, and White Mountains. * WHEN...Until 11 AM MST /noon MDT/ this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could snap resulting in a few power outages. Travel will be difficult, especially for high profile vehicles. Winds this strong can make driving difficult, especially for high

Arizona Wind Advisory | Effective 05/18/2026 00:02

* WHAT...Southwest winds 15 to 25 mph with gusts 40 to 50 mph. * WHERE...Mogollon Rim, Kaibito Plateau, Painted Desert, Kaibab Plateau, Grand Canyon Country, Little Colorado River Valley in Coconino County, Little Colorado River Valley in Navajo County, and Black Mesa Area. * WHEN...Until 5 AM MST /6 AM MDT/ early this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could snap resulting in a few power outages. Travel will be difficult, especially for high profile vehicles.

Colorado Red Flag Warning | Effective 05/18/2026 00:04

* AFFECTED AREA...Fire Weather Zones 230 and 233. * TIMING...From 11 AM this morning to 8 PM MDT this evening. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Colorado Red Flag Warning | Effective 05/18/2026 00:04

* AFFECTED AREA...Fire Weather Zone 237. * TIMING...From 11 AM this morning to 8 PM MDT this evening. * WINDS...Southwest 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...Extreme fire danger is expected. Fires will uncontrollably spread and be very destructive. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Iowa Special Weather Statement | Effective 05/18/2026 00:07

WHAT...Gusty east to southeast winds will occur on the backside of the departing thunderstorms. Gusts of 40 to 55 mph are expected and may last up to an hour. WHERE...Much of Central, North Central and South Central Iowa. WHEN...During the pre-dawn hours this morning. IMPACTS...Unsecured outdoor objects may be blown around and smaller tree branches may break. PREPAREDNESS AND PRECAUTIONARY ACTIONS...Use extra caution when driving, especially if operating a high profile vehicles.

Nebraska, Wyoming Freeze Warning | Effective 05/18/2026 00:15

* WHAT...Sub-freezing temperatures as low as 21 expected. * WHERE...Portions of the panhandle of Nebraska, and east central and southeast Wyoming. * WHEN...From 8 PM this evening to 10 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

Wyoming Freeze Warning | Effective 05/18/2026 00:15

* WHAT...For the Freeze Warning early this morning, sub-freezing temperatures as low as 26 expected. For the Freeze Warning tomorrow night, sub-freezing temperatures as low as 22 possible. * WHERE...Niobrara County. * WHEN...For the first Freeze Warning, from 5 AM to 10 AM MDT this morning. For the second Freeze Warning, from 8 PM this evening to 10 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Wyoming Freeze Warning | Effective 05/18/2026 00:15

* WHAT...For the Freeze Warning early this morning, sub-freezing temperatures as low as 26 expected. For the Freeze Warning tomorrow night, sub-freezing temperatures as low as 22 possible. * WHERE...Niobrara County. * WHEN...For the first Freeze Warning, from 5 AM to 10 AM MDT this morning. For the second Freeze Warning, from 8 PM this evening to 10 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
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