National Weather Service United States Department of Commerce

Severe Thunderstorms and Flash Flooding in the Central U.S.; A Dangerous Heatwave Coming to the West

Multiple rounds of widespread heavy rain, localized flash flooding, and severe thunderstorms are possible from the central Plains into the Great Lakes today, Friday and Saturday. A dangerous heatwave with record breaking and triple digit temperatures is expected this weekend into next week over the Northwest U.S. Excessive Heat Watches and Warnings have been issued. Read More >

Snow and Sleet

Winter Storm Warning

12-Hour Accumulation Criteria
24-Hour Accumulation Criteria
Winter Weather Advisory
12-Hour Accumulation Criteria


Ice/Freezing Rain

Ice Storm Warning Criteria
1/4" or Greater Ice Accretion
Winter Weather Advisory Criteria
Trace Amounts to Less Than 1/4" Ice Accretion


Wind Chill

Wind Chill Warning Criteria
Wind Chill Advisory Criteria