Severe

Significant threat to life or property

California Winter Storm Watch | Effective 04/20/2026 01:50

* WHAT...Heavy snow possible. Total snow accumulations 3 to 5 inches<br /> above 7,000 feet, with 12 to 18 inches possible at the highest<br /> elevations of the Sierra Nevada. Winds could gust as high as 75<br /> mph along the Sierra crest. * WHERE...Kaiser to Rodgers Ridge, Kings Canyon NP, Sequoia NP,<br /> Upper San Joaquin River, and Yosemite NP outside of the valley. * WHEN...From late tonight through Wednesday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will<br />

Wisconsin Flood Warning | Effective 04/20/2026 01:57

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The National Weather Service in Milwaukee/Sullivan WI has issued<br /> a Flood Warning for the following rivers in Wisconsin... Rock River At Newville affecting Rock County. * WHAT...Minor flooding is occurring. * WHERE...Rock River at Newville. * WHEN...From early this morning until further notice. * IMPACTS...At 6.5 feet, Floodwaters are in the back yards of homes<br /> and businesses near east Mallwood Road Drive in Newville. * ADDITIONAL DETAILS...<br />

Illinois Flood Warning | Effective 04/20/2026 01:42

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Illinois, including the following<br /> counties, Lake IL and McHenry. * WHEN...Until 100 PM CDT Saturday. * IMPACTS...Numerous roads, yards, structures, and park land are<br /> expected to flood along the Fox River Chain of Lakes. * ADDITIONAL DETAILS...<br /> - At 336 AM CDT, River gauges along the Fox River Chain of<br /> Lakes indicated slowly-rising water levels due to recent<br /> rainfall across the area. As of 3:15 AM Monday, the gauge on<br />

Nebraska Red Flag Warning | Effective 04/20/2026 01:14

The National Weather Service in North Platte has issued a Red<br /> Flag Warning from noon CDT /11 AM MDT/ today to 9 PM CDT /8 PM<br /> MDT/ this evening. * AFFECTED AREA...Fire Weather Zone 219 Loess Plains. * TIMING...Noon CDT/11 AM MDT through 9 PM CDT/8 PM MDT. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 8 to 12% across much of the<br /> Sandhills and western Nebraska, and 12 to 20% across central<br /> into north central Nebraska. * TEMPERATURES...Highs in the upper 70s to lower 80s. * LIGHTNING...None expected.

Nebraska Red Flag Warning | Effective 04/20/2026 01:14

The National Weather Service in North Platte has issued a Red<br /> Flag Warning from noon CDT /11 AM MDT/ today To 9 PM CDT /8 PM<br /> MDT/ this evening. * AFFECTED AREA...Fire Weather Zone 204 Eastern<br /> Panhandle/Crescent Lake NWR, Fire Weather Zone 206<br /> Sandhills/Valentine NWR/Nebraska National Forest, Fire Weather<br /> Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie<br /> National Forest and Fire Weather Zone 209 Loup Rivers Basin. * TIMING...Noon CDT/11 AM MDT through 9 PM CDT/8 PM MDT.

Minnesota Red Flag Warning | Effective 04/20/2026 01:15

The National Weather Service in Duluth has issued a Red Flag<br /> Warning for wind and low relative humidity, which is in effect<br /> from 11 AM this morning to 8 PM CDT this evening. * AFFECTED AREA...In Minnesota, Northern Cook and Lake. * WINDS...Southwest 10 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fires that ignite could spread rapidly and<br /> become difficult to control. Outdoor burning is not<br /> recommended.<br /> A Red Flag Warning means that critical fire weather conditions<br />

Minnesota Red Flag Warning | Effective 04/20/2026 01:15

The National Weather Service in Duluth has issued a Red Flag<br /> Warning for wind and low relative humidity, which is in effect<br /> from 11 AM this morning to 8 PM CDT this evening. The Fire<br /> Weather Watch is no longer in effect. * AFFECTED AREA...In Minnesota, Koochiching, North St. Louis,<br /> North Itasca, Central St. Louis, North Cass, South Itasca,<br /> South Cass, Crow Wing, Northern Aitkin, South Aitkin, Carlton<br /> and South St. Louis and Pine. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph.

Wyoming Red Flag Warning | Effective 04/20/2026 00:02

* AFFECTED AREA:<br /> In Central WY...Fire Weather Zones 280 and 289. * COUNTIES AFFECTED:<br /> In Central WY...Fremont...Natrona.<br /> In Southwest WY...Sweetwater. * IMPACTS: Low Humidities and Strong Gusty Winds could cause<br /> erratic fire behavior. * WIND: West 10 to 20 mph with gusts of 30 to 35 mph. * HUMIDITY: As low as 9 percent.<br /> A Red Flag Warning means that critical fire weather conditions are<br /> either occurring now....or will shortly. A combination of strong<br />

Nevada High Wind Watch | Effective 04/20/2026 00:15

* WHAT...South winds 35 to 45 mph with gusts up to 60 mph possible. * WHERE...White Pine, Southern Lander and Southern Eureka,<br /> Northeastern Nye, and Northwestern Nye Counties. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Gusty winds will blow around unsecured objects. Winds<br /> this strong can make driving difficult, especially for high<br /> profile vehicles. Blowing dust may reduce the visibility to one<br /> mile or less in<br /> spots.<br /> Monitor the latest forecasts and warnings for updates.

Minnesota Red Flag Warning | Effective 04/20/2026 00:20

The National Weather Service in Grand Forks has issued a Red Flag<br /> Warning for wind and low relative humidity, which is in effect<br /> from 10 AM this morning to 8 PM CDT this evening. The Fire<br /> Weather Watch is no longer in effect. * AFFECTED AREA...In Minnesota, West Polk, Norman, Clay,<br /> Kittson, Roseau, Lake Of The Woods, West Marshall, East<br /> Marshall, North Beltrami, Pennington, Red Lake, East Polk,<br /> North Clearwater, South Beltrami, Mahnomen, South Clearwater,<br />
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