Severe

Significant threat to life or property

Flash Flood Warning Hawaii | Effective 03/21/2026 06:23

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 323 AM HST, radar indicated heavy rain over southwest Oahu. Rain<br /> was falling at a rate of 1 to 3 inches per hour. Flash flooding is<br /> ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar. IMPACT...Flooding in drainages, streams, rivers, roads,<br /> properties, and other low-lying areas. Public road<br /> closures possible in some areas. Landslides are possible<br /> in steep terrain.

Winter Storm Warning Alaska | Effective 03/21/2026 06:05

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...ANOTHER PERIOD OF SNOW FOR THE CENTRAL AND NORTHERN PANHANDLE<br /> SATURDAY... .Widespread snowfall has begun across the coastal and northern<br /> panhandle as of early Saturday morning as the first front pushes<br /> into the coast. There are no major changes to current forecast<br /> snow accumulations for Saturday, however the Winter Weather<br /> Advisory has been extended to included Yakutat through the early<br />

Extreme Heat Warning California | Effective 03/21/2026 05:58

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions with temperatures 102 to 107. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall<br /> into the 70s and lower 80s reducing relief from the heat. Instruction:<br /> Drink plenty of fluids, stay in an air-conditioned room, stay out of<br />

Extreme Heat Warning California | Effective 03/21/2026 05:58

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions with temperatures 91 to 100. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall<br /> into the 70s and lower 80s reducing relief from the heat. Instruction:<br /> Drink plenty of fluids, stay in an air-conditioned room, stay out of<br />

Flood Warning Washington | Effective 03/21/2026 05:25

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Washington... Stehekin River at Stehekin affecting Chelan County. .Heavy rain has fallen on steep terrain and on a deep primed<br /> snowpack leading to snow melt and increasing river flows. Flows will<br /> slowly recede in the coming days. * WHAT...River level slowly dropping below Minor Flood Stage is<br /> currently forecast. * WHERE...Stehekin River at Stehekin. * WHEN...Until late this afternoon.

Winter Storm Warning Alaska | Effective 03/21/2026 05:31

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...ANOTHER PERIOD OF SNOW FOR THE CENTRAL AND NORTHERN PANHANDLE<br /> SATURDAY... .Widespread snowfall has begun across the coastal and northern<br /> panhandle as of early Saturday morning as the first front pushes<br /> into the coast. There are no major changes to current forecast<br /> snow accumulations for Saturday. There is still some uncertainty<br /> of exact snow accumulations at the surface for Saturday afternoon<br />

Flood Warning Washington | Effective 03/21/2026 05:36

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Washington... Yakima River near Parker affecting Yakima County. Yakima River at Kiona affecting Benton County. ...The Flood Warning is extended for the following rivers in<br /> Washington... Yakima River at Umtanum affecting Kittitas County. For the Yakima River...including Umtanum, Parker, Kiona...Minor<br /> flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Yakima River at Umtanum.

Flood Warning Washington | Effective 03/21/2026 05:36

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Washington... Yakima River near Parker affecting Yakima County. Yakima River at Kiona affecting Benton County. ...The Flood Warning is extended for the following rivers in<br /> Washington... Yakima River at Umtanum affecting Kittitas County. For the Yakima River...including Umtanum, Parker, Kiona...Minor<br /> flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Yakima River at Kiona.

Flood Warning Washington | Effective 03/21/2026 05:36

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Washington... Yakima River near Parker affecting Yakima County. Yakima River at Kiona affecting Benton County. ...The Flood Warning is extended for the following rivers in<br /> Washington... Yakima River at Umtanum affecting Kittitas County. For the Yakima River...including Umtanum, Parker, Kiona...Minor<br /> flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Yakima River near Parker.
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