Expected

Responsive action SHOULD be taken soon (within next hour)

Alaska Winter Storm Warning | Effective 04/11/2026 16:21

Public safety alert, emergency alert, and weather alert Description: * WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches below 1500 feet and between 12 and 18 inches above 1500 feet possible. * WHERE...Eastern Alaska Range North of Trims Camp. * WHEN...From 4 PM Sunday to 4 PM AKDT Tuesday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Around 6 to 12 inches of snow will be

Nebraska Red Flag Warning | Effective 04/11/2026 12:09

Public safety alert, emergency alert, and weather alert Description: ...CRITICAL FIRE WEATHER CONDITIONS SUNDAY... * AFFECTED AREA...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR, Fire Weather Zone 206 Sandhills/Valentine NWR/Nebraska National Forest and Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest. * TIMING...Sunday, Noon CDT / 11 AM MDT through 10 PM CDT / 9 PM MDT. * WINDS...West 10 to 20 mph with gusts up to 30 mph.

California, Nevada Winter Storm Warning | Effective 04/11/2026 12:15

Public safety alert, emergency alert, and weather alert Description: * WHAT...Heavy snow. Snow accumulations between 6 to 10 inches for communities surrounding Lake Tahoe and up to 7000 feet, and 12 to 25 inches above 7000 feet and for Sierra passes. Winds gusting as high as 90 mph along the Sierra crest and 20-45 mph for communities surrounding Lake Tahoe. Wave heights for Lake Tahoe from 1 to 3 feet. * WHERE...Greater Lake Tahoe Area. * WHEN...From 2 PM this afternoon to 11 PM PDT Sunday.

California Winter Storm Warning | Effective 04/11/2026 12:15

Public safety alert, emergency alert, and weather alert Description: * WHAT...Heavy snow. Snow accumulations between 2 to 8 inches below 8000 feet, 6 to 12 inches above 8000 feet, and locally up to 24 inches across higher terrain along the Sierra crest. Winds peak along the crest gusting as high as 80 mph and up to 45 to 55 mph along Highway 395. * WHERE...Mono County. * WHEN...From 2 PM this afternoon to 11 PM PDT Sunday. * IMPACTS...Travel could be very difficult to impossible. Strong

Nebraska Red Flag Warning | Effective 04/11/2026 11:47

Public safety alert, emergency alert, and weather alert Description: ...CRITICAL FIRE WEATHER CONDITIONS SUNDAY... The National Weather Service in North Platte has issued a Red Flag Warning for gusty west winds and low humidity, which is in effect from noon CDT /11 AM MDT/ to 10 PM CDT /9 PM MDT/ Sunday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR, Fire Weather Zone 206

South Dakota Red Flag Warning | Effective 04/11/2026 11:52

Public safety alert, emergency alert, and weather alert Description: The National Weather Service in Sioux Falls has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 7 PM CDT Sunday. * AFFECTED AREA...In South Dakota, Gregory, Jerauld, Sanborn, Brule, Aurora, Davison, Hanson, Charles Mix, Douglas, Hutchinson, Bon Homme and Yankton. * WINDS...West 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 18 percent.

South Dakota Red Flag Warning | Effective 04/11/2026 11:33

Public safety alert, emergency alert, and weather alert Description: The National Weather Service in Aberdeen has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon CDT /11 AM MDT/ to 7 PM CDT /6 PM MDT/ Sunday. * AFFECTED AREA...In South Dakota, Stanley, Hughes, Jones, Lyman and Buffalo. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...15 to 25 percent. Lowest across Jones and Lyman counties.

California Winter Storm Warning | Effective 04/11/2026 11:34

Public safety alert, emergency alert, and weather alert Description: * WHAT...Heavy snow expected. Low-end storm total of 10 inches and high-end total of 30 inches expected in Madera and Mariposa Counties and Yosemite National Park above 7,000 ft. Winds gusting to 55 mph or higher. * WHERE...A portion of central California. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Whiteout conditions are expected and will make

Colorado Red Flag Warning | Effective 04/11/2026 11:37

Public safety alert, emergency alert, and weather alert Description: * AFFECTED AREA...Fire Weather Zones 222, 224, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236 and 237. * TIMING...For the Red Flag Warning, from 11 AM to 9 PM MDT Sunday. For the Fire Weather Watch, from Monday morning through Monday evening. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...5 to 10 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.
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