Severe

Significant threat to life or property

Louisiana Severe Flood Warning | Effective 06/20/2026 10:27

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Grant Parish in north central Louisiana... La Salle Parish in north central Louisiana... Southeastern Winn Parish in north central Louisiana... East Central Natchitoches Parish in northwestern Louisiana... * WHEN...Until 230 PM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 1227 PM CDT, Doppler radar indicated heavy rain due to

Arkansas, Louisiana, Mississippi Severe Flood Watch | Effective 06/20/2026 10:00

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Arkansas, including the following areas, Ashley and Chicot, northeast Louisiana, including the following parishes, Catahoula, Concordia, East Carroll, Franklin LA, Madison LA, Morehouse, Richland, Tensas and West Carroll, and Mississippi, including the following areas, Adams, Attala, Choctaw, Claiborne, Clarke, Copiah, Hinds, Holmes, Humphreys,

Colorado Severe Red Flag Warning | Effective 06/20/2026 10:03

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 220, 222, 223, AND 224... The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 11 AM to 10 PM MDT Sunday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 220, 222, 223 and 224. * TIMING...For the first Red Flag Warning, until 10 PM MDT this

Colorado Severe Red Flag Warning | Effective 06/20/2026 10:03

* AFFECTED AREA...Fire Weather Zones 221, 225, 227, 228, 229, 230, 231, 232 and 233. * TIMING...Until 10 PM MDT this evening. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 7 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

Arkansas, Louisiana Severe Flash Flood Warning | Effective 06/20/2026 10:03

FFWSHV The National Weather Service in Shreveport has issued a * Flash Flood Warning for... South Central Union County in south central Arkansas... Northwestern Union Parish in north central Louisiana... Northeastern Claiborne Parish in northwestern Louisiana... * Until 300 PM CDT. * At 1203 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts of 2 to 3 inches are

Alaska Severe Red Flag Warning | Effective 06/20/2026 10:03

* AFFECTED AREA...Central and Eastern Interior. * TIMING...Until 10 PM AKDT Sunday. * THUNDERSTORM COVERAGE INDEX...Numerous from Tanana to the Upper Kuskokwim. Scattered elsewhere. * WINDS...Near thunderstorms, gusts could reach as high as 40 mph. * HUMIDITY...As low as 30 percent. * TEMPERATURES...Highs in the upper 80s. Lows in the mid 40s. * IMPACTS...Critical fire weather conditions are expected this weekend due to a combination of thunderstorm activity, temperatures reaching into the low 80s, relative humidities

Alaska Severe Red Flag Warning | Effective 06/20/2026 10:03

The National Weather Service in Fairbanks has issued a Red Flag Warning for lightning, which is in effect until 10 PM AKDT Sunday. * AFFECTED AREA...Middle Yukon Valley and Lower Yukon and Innoko Valleys. * TIMING...Until 10 PM AKDT Sunday. * THUNDERSTORM COVERAGE INDEX...Numerous. * WINDS...Near thunderstorms, gusts could reach as high as 40 mph. * HUMIDITY...As low as 30 percent. * TEMPERATURES...Highs in the mid 80s. Lows in the upper 40s. * IMPACTS...Critical fire weather conditions are expected this

Alaska Severe Red Flag Warning | Effective 06/20/2026 10:03

* AFFECTED AREA...North Slopes of the Western Alaska Range and Upper Kuskokwim Valley. * TIMING...Until 10 PM AKDT Sunday. * THUNDERSTORM COVERAGE INDEX...Numerous. * WINDS...Near thunderstorms, gusts could reach as high as 40 mph. * HUMIDITY...As low as 30 percent. * TEMPERATURES...Highs in the mid 80s. Lows in the mid 40s. * IMPACTS...Critical fire weather conditions are expected this weekend due to a combination of thunderstorm activity, temperatures reaching into the upper 70s to low 80s, relative

Colorado Severe Red Flag Warning | Effective 06/20/2026 10:03

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 220, 222, 223, AND 224... The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 11 AM to 10 PM MDT Sunday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 220, 222, 223 and 224. * TIMING...For the first Red Flag Warning, until 10 PM MDT this

Arizona Severe Red Flag Warning | Effective 06/20/2026 10:08

* WHAT...Critical fire weather conditions. Southwest winds 15 to 25 mph with gusts up to 35 mph and relative humidity 5 to 10 percent. * WHERE...Chuska Mountains and Defiance Plateau, Little Colorado River Valley in Navajo County, and Little Colorado River Valley in Apache County. * WHEN...Until 6 PM MST /7 PM MDT/ this evening. * IMPACTS...Rapid spread and growth of any new or existing fires. Fires will have the potential to exhibit extreme fire behavior. Elevated potential for new fire starts.
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