Severe

Significant threat to life or property

Florida Fire Weather Watch | Effective 04/21/2026 00:10

* AFFECTED AREA...Fire Weather Zone 069 Coastal Collier County,<br /> Fire Weather Zone 163 Glades County Lake Region, Fire Weather<br /> Zone 166 Hendry County Lakes Region, Fire Weather Zone 170 Big<br /> Cypress, Fire Weather Zone 263 Glades County, Fire Weather<br /> Zone 266 Hendry County, Fire Weather Zone 270 Northern Collier<br /> and Fire Weather Zone 370 Southwest Collier. * TIMING...From 11 AM EDT this morning through this evening. * WINDS...Northeast 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 34 percent.

Indiana Flood Warning | Effective 04/20/2026 23:52

...The Flood Warning continues for the following rivers in Indiana...<br /> Ohio...Michigan... Tippecanoe River near Ora affecting Pulaski County. Saint Joseph River Ohio near Newville affecting Allen IN, De Kalb<br /> and Defiance Counties. Tiffin River at Stryker affecting Fulton OH, Williams and<br /> Defiance Counties. Saint Joseph River Michigan at Three Rivers affecting Branch, St.<br /> Joseph MI and Elkhart Counties. North Branch Elkhart River at Cosperville affecting Noble County. For the Tippecanoe River...including Ora, Winamac, Norway Dam...<br />

Indiana Flood Warning | Effective 04/20/2026 23:52

...The Flood Warning continues for the following rivers in Indiana...<br /> Ohio...Michigan... Tippecanoe River near Ora affecting Pulaski County. Saint Joseph River Ohio near Newville affecting Allen IN, De Kalb<br /> and Defiance Counties. Tiffin River at Stryker affecting Fulton OH, Williams and<br /> Defiance Counties. Saint Joseph River Michigan at Three Rivers affecting Branch, St.<br /> Joseph MI and Elkhart Counties. North Branch Elkhart River at Cosperville affecting Noble County. For the Tippecanoe River...including Ora, Winamac, Norway Dam...<br />

Indiana, Ohio Flood Warning | Effective 04/20/2026 23:52

...The Flood Warning continues for the following rivers in Indiana...<br /> Ohio...Michigan... Tippecanoe River near Ora affecting Pulaski County. Saint Joseph River Ohio near Newville affecting Allen IN, De Kalb<br /> and Defiance Counties. Tiffin River at Stryker affecting Fulton OH, Williams and<br /> Defiance Counties. Saint Joseph River Michigan at Three Rivers affecting Branch, St.<br /> Joseph MI and Elkhart Counties. North Branch Elkhart River at Cosperville affecting Noble County. For the Tippecanoe River...including Ora, Winamac, Norway Dam...<br />

Ohio Flood Warning | Effective 04/20/2026 23:52

...The Flood Warning continues for the following rivers in Indiana...<br /> Ohio...Michigan... Tippecanoe River near Ora affecting Pulaski County. Saint Joseph River Ohio near Newville affecting Allen IN, De Kalb<br /> and Defiance Counties. Tiffin River at Stryker affecting Fulton OH, Williams and<br /> Defiance Counties. Saint Joseph River Michigan at Three Rivers affecting Branch, St.<br /> Joseph MI and Elkhart Counties. North Branch Elkhart River at Cosperville affecting Noble County. For the Tippecanoe River...including Ora, Winamac, Norway Dam...<br />

Indiana, Michigan Flood Warning | Effective 04/20/2026 23:52

...The Flood Warning continues for the following rivers in Indiana...<br /> Ohio...Michigan... Tippecanoe River near Ora affecting Pulaski County. Saint Joseph River Ohio near Newville affecting Allen IN, De Kalb<br /> and Defiance Counties. Tiffin River at Stryker affecting Fulton OH, Williams and<br /> Defiance Counties. Saint Joseph River Michigan at Three Rivers affecting Branch, St.<br /> Joseph MI and Elkhart Counties. North Branch Elkhart River at Cosperville affecting Noble County. For the Tippecanoe River...including Ora, Winamac, Norway Dam...<br />

Arizona Fire Weather Watch | Effective 04/20/2026 23:59

The National Weather Service in Flagstaff AZ has issued a Fire<br /> Weather Watch due to strong winds and low relative humidity. * WHAT...Southwest winds 20 to 30 mph with gusts up to 40 to 50 mph<br /> and Relative Humidity between 10 to 20 percent. * WHERE...Navajo Nation in Arizona and the Little Colorado River<br /> Valley. * WHEN...From Wednesday morning through Wednesday evening. * IMPACTS...Any fires that develop or are ongoing will have the<br /> potential to spread rapidly.<br />

Nebraska, Wyoming Red Flag Warning | Effective 04/20/2026 23:34

...MULTI DAY RED FLAG WARNING IS IN EFFECT UNTIL WEDNESDAY EVENING... * AFFECTED AREA...Fire weather zones 417, 418, 430, 431, 432, 433,<br /> 434, 435, 436, and 437. * WIND... Southerly winds 10 to 15 mph gusting up to 35 mph on<br /> Tuesday. Southwest winds with gusts between 35 and 50 mph on<br /> Wednesday. * HUMIDITY...5 to 12 percent. * IMPACTS...Any fires that develop will likely spread rapidly.<br /> Outdoor burning is not recommended.<br /> A Red Flag Warning means that critical fire weather conditions<br />

South Dakota Fire Weather Watch | Effective 04/20/2026 23:38

The National Weather Service in Sioux Falls has issued a Fire<br /> Weather Watch for wind and low relative humidity, which is in<br /> effect from Wednesday morning through Wednesday evening. * AFFECTED AREA...In South Dakota, Beadle, Gregory, Jerauld,<br /> Sanborn, Brule, Aurora, Davison, Hanson, Charles Mix, Douglas,<br /> Hutchinson, Bon Homme and Yankton. * WINDS...South 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread<br />

Alaska Winter Storm Watch | Effective 04/20/2026 23:11

* WHAT...Blizzard conditions possible. Total snow accumulations<br /> between 1 and 3 inches possible. Winds could gust as high as 45<br /> mph. * WHERE...Baldwin Peninsula, Lower Kobuk Valley, and Northern Seward<br /> Peninsula. * WHEN...From Wednesday morning through Thursday evening. * IMPACTS...Travel could be very difficult. Areas of blowing snow<br /> could significantly reduce visibility.<br /> Prepare for possible blizzard conditions. Continue to monitor the<br /> latest forecasts for updates on this situation.
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