Severe

Significant threat to life or property

Texas Local Area Emergency Severe | Effective 04-21-2026 15:23

Public safety alert, emergency alert, and weather alert Description: Instruction: Williamson County Office of Emergency Management: Flash flood threat near Shady River and Good Water RV Parks has ended. You may return to the area. Use caution when driving, do not drive around a barricade or on closed roads. Do not walk or drive through moving water or on flooded roadways.

California Severe Thunderstorm Warning | Effective 04/21/2026 15:10

SVRSTO The National Weather Service in Sacramento has issued a * Severe Thunderstorm Warning for... Central Glenn County in central California... * Until 400 PM PDT. * At 309 PM PDT, a severe thunderstorm was located over Fruto, or near Elk Creek, moving east-northeast at 10 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Fruto and Bluegum. For your protection move to an interior room on the lowest floor of a building.

California Severe Thunderstorm Warning | Effective 04/21/2026 15:19

SVRHNX The National Weather Service in Hanford CA has issued a * Severe Thunderstorm Warning for... Southwestern Madera County in central California... Eastern Merced County in central California... Western Fresno County in central California... * Until 345 PM PDT. * At 319 PM PDT, a severe thunderstorm was located near Firebaugh, or 25 miles west of Madera, moving northeast at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage

California Severe Thunderstorm Warning | Effective 04/21/2026 15:20

SVRSTO The National Weather Service in Sacramento has issued a * Severe Thunderstorm Warning for... South central Tehama County in northern California... * Until 400 PM PDT. * At 319 PM PDT, a severe thunderstorm was located over Paskenta, or 17 miles northeast of Alder Springs, and is moving east at 5 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Flournoy, Paskenta, Rancho Tehama Reserve, and Black Butte Summit.

California Severe Thunderstorm Warning | Effective 04/21/2026 14:54

SVRHNX The National Weather Service in Hanford CA has issued a * Severe Thunderstorm Warning for... South central Madera County in central California... Northwestern Fresno County in central California... * Until 330 PM PDT. * At 254 PM PDT, a severe thunderstorm was located near Bonadelle Ranchos-Madera Ranchos, or 10 miles northwest of Fresno, moving northeast at 15 mph. HAZARD...40 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include...

Oregon, Washington Flood Watch | Effective 04/21/2026 14:03

Heavy rainfall is expected to develop over portions of southeast Washington and northeast Oregon tonight through Thursday morning. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of Oregon, including the following areas, Foothills of the Northern Blue Mountains of Oregon, Foothills of the Southern Blue Mountains of Oregon and Northern Blue Mountains of Oregon and southeast Washington, including the following area, Foothills of the Blue Mountains of Washington.

Montana Winter Storm Watch | Effective 04/21/2026 13:55

* WHAT...Heavy snow possible. Total snow accumulations between 8 and 15 inches possible. Winds could gust as high as 60 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Recreation in the high country could be impacted by heavy accumulating snow. Blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...The strongest winds are forecast Wednesday evening east of the Stillwater River Valley. Monitor the latest forecast for updates on this situation.

Wisconsin Flood Warning | Effective 04/21/2026 13:58

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Crawfish River At Milford affecting Jefferson County. Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago Counties. Rock River At Jefferson affecting Jefferson County. Rock River At Watertown affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.
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