Severe

Significant threat to life or property

California Winter Storm Warning | Effective 04/20/2026 14:11

* WHAT...Heavy snow likely above 5000 feet. Total snow accumulations of up to 12 to 18 inches, with up to 2 feet at the highest peaks. Minor accumulations of up to 2 inches possible down to 4500 feet. Southwest winds could gust as high as 50 mph. * WHERE...Sierra (El Dorado-Amador) Above 5000 ft, Lassen Volcanic NP, Sierra (Cal-Tuo) Above 5000 ft, Sierra (Sierra-Placer) Above 5000 ft, and Sierra (Tehama-Plumas) Above 3000 ft Counties. * WHEN...From 2 AM Tuesday to 5 PM PDT Wednesday.

Wisconsin Flood Warning | Effective 04/20/2026 14:18

...The Flood Warning continues for the following rivers in Wisconsin... Wisconsin River At Portage affecting Columbia County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. This approaches the flood of record. * WHERE...Wisconsin River at Portage. * WHEN...Until late Wednesday evening. * IMPACTS...At 18.5 feet, Floodwaters affect River Shores Road about 3 miles upstream of Portage in the Town of Lewiston and River Oaks Road about 7 miles downstream of Portage in the Town of Dekorra in

Illinois, Wisconsin Flood Warning | Effective 04/20/2026 14:19

...The Flood Warning continues for the following rivers in Illinois...Wisconsin... Sugar River At Brodhead affecting Rock, Green and Winnebago Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Sugar River at Brodhead. * WHEN...Until late tonight. * IMPACTS...At 5.5 feet, Some roads are flooded about 6 miles downstream in Avon Township in Rock County. In the Avon Bottoms area of Rock County, flooding is occurring in Sugar River Park. * ADDITIONAL DETAILS...

California High Wind Warning | Effective 04/20/2026 13:45

* WHAT...South winds 25 to 40 mph with gusts up to 60 mph are expected. * WHERE...The Shasta Valley in Central Siskiyou County. This includes the portion of Interstate 5 from Weed to Hilt, including the cities of Yreka, Grenada, and Montague. * WHEN...Until 6 PM PDT this evening. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. People are urged to secure loose objects that could be blown around

Oklahoma Flood Warning | Effective 04/20/2026 13:31

...The Flood Warning continues for the following rivers in Oklahoma... Neosho River near Commerce affecting Ottawa County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Neosho River near Commerce. * WHEN...Until late tomorrow morning. * IMPACTS...At 18.0 feet, moderate agricultural flooding occurs with Riverview Park experiencing minor to moderate flooding. Low lying places around Miami may be cut off from easy access. * ADDITIONAL DETAILS... - At 2:30 PM CDT Monday the stage was 17.9 feet.

California High Wind Warning | Effective 04/20/2026 13:43

* WHAT...South winds 230 to 40 mph with gusts up to 50 mph are expected. * WHERE...The Shasta Valley in Central Siskiyou County. This includes the portion of Interstate 5 from Weed to Hilt, including the cities of Yreka, Grenada, and Montague. * WHEN...Until 6 PM PDT this evening. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. People are urged to secure loose objects that could be blown around

Texas Flash Flood Warning Severe | Effective 04-20-2026 13:22

Public safety alert, emergency alert, and weather alert Description: FFWEWX The National Weather Service in Austin/San Antonio has extended the * Flash Flood Warning for... Northeastern Bexar County in south central Texas... Southeastern Comal County in south central Texas... West Central Guadalupe County in south central Texas... * Until 600 PM CDT. * At 322 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between

Texas Flash Flood Warning | Effective 04/20/2026 13:22

FFWEWX The National Weather Service in Austin/San Antonio has extended the * Flash Flood Warning for... Northeastern Bexar County in south central Texas... Southeastern Comal County in south central Texas... West Central Guadalupe County in south central Texas... * Until 600 PM CDT. * At 322 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts of

Texas Flash Flood Warning | Effective 04/20/2026 12:48

At 248 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams,

Florida Fire Weather Watch | Effective 04/20/2026 12:51

The National Weather Service in Miami has issued a Fire Weather Watch, which is in effect from Tuesday morning through Tuesday evening. * AFFECTED AREA...Fire Weather Zone 069 Coastal Collier County, Fire Weather Zone 163 Glades County Lake Region, Fire Weather Zone 166 Hendry County Lakes Region, Fire Weather Zone 170 Big Cypress, Fire Weather Zone 263 Glades County, Fire Weather Zone 266 Hendry County, Fire Weather Zone 270 Northern Collier and Fire Weather Zone 370 Southwest Collier.
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