Severe

Significant threat to life or property

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

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

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<br /> GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 220,<br /> 222, 223, AND 224... The National Weather Service in Pueblo has issued a Red Flag<br /> Warning for gusty winds and low relative humidity, which is in<br /> effect from 11 AM to 10 PM MDT Sunday. The Fire Weather Watch is<br /> no longer in effect.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<br />

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

* AFFECTED AREA...Fire Weather Zones 221, 225, 227, 228, 229,<br /> 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<br /> and spread rapidly and erratically.<br /> A Red Flag Warning means that critical fire weather conditions<br /> are either occurring now, or will shortly. A combination of<br /> strong winds, low relative humidity, and warm temperatures can<br />

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...<br /> South Central Union County in south central Arkansas...<br /> Northwestern Union Parish in north central Louisiana...<br /> Northeastern Claiborne Parish in northwestern Louisiana... * Until 300 PM CDT. * At 1203 PM CDT, Doppler radar indicated thunderstorms producing<br /> heavy rain across the warned area. Between 2 and 3 inches of rain<br /> have fallen. Additional rainfall amounts of 2 to 3 inches are<br />

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<br /> Kuskokwim. Scattered elsewhere. * WINDS...Near thunderstorms, gusts could reach as high as 40<br /> 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<br /> weekend due to a combination of thunderstorm activity,<br /> temperatures reaching into the low 80s, relative humidities<br />

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

The National Weather Service in Fairbanks has issued a Red Flag<br /> Warning for lightning, which is in effect until 10 PM AKDT<br /> Sunday. * AFFECTED AREA...Middle Yukon Valley and Lower Yukon and Innoko<br /> Valleys. * TIMING...Until 10 PM AKDT Sunday. * THUNDERSTORM COVERAGE INDEX...Numerous. * WINDS...Near thunderstorms, gusts could reach as high as 40<br /> 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<br />

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

* AFFECTED AREA...North Slopes of the Western Alaska Range and<br /> Upper Kuskokwim Valley. * TIMING...Until 10 PM AKDT Sunday. * THUNDERSTORM COVERAGE INDEX...Numerous. * WINDS...Near thunderstorms, gusts could reach as high as 40<br /> 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<br /> weekend due to a combination of thunderstorm activity,<br /> temperatures reaching into the upper 70s to low 80s, relative<br />

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<br /> GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 220,<br /> 222, 223, AND 224... The National Weather Service in Pueblo has issued a Red Flag<br /> Warning for gusty winds and low relative humidity, which is in<br /> effect from 11 AM to 10 PM MDT Sunday. The Fire Weather Watch is<br /> 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<br />

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

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

Kansas, Nebraska Severe Flood Watch | Effective 06/20/2026 10:09

* WHAT...Flooding caused by excessive rainfall continues to be<br /> possible. * WHERE...Portions of north central Kansas, including the following<br /> counties, Jewell and Mitchell and Nebraska, including the following<br /> counties, Adams, Buffalo, Clay, Fillmore, Franklin, Greeley, Hall,<br /> Hamilton, Howard, Kearney, Merrick, Nance, Nuckolls, Polk, Sherman,<br /> Thayer, Valley, Webster and York. * WHEN...From 7 PM CDT this evening through Sunday morning. * IMPACTS...Excessive runoff may result in flooding of rivers,<br />
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