Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain and gusty winds from Tropical Storm Moke will impact the Big Island into Monday, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Dangerous heat persists across the Southern Plains and Lower Mississippi Valley, building further into the Southwest by midweek. Read More >

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Last Map Update: Thu, Aug 27, 2026 at 11:18:26 am PDT

Watches, Warnings & Advisories

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National Weather Service Salt Lake City, UT

National Weather Service San Joaquin Valley, CA

National Weather Service NWS Flagstaff, AZ

Extreme Heat Warning

Red Flag Warning

Air Quality Alert

Thunderstorm Probabilities Thursday and Friday

Isolated dry thunderstorms are expected in Eastern Nevada. (pink, shaded areas) both Thursday afternoon and Friday afternoon. "Dry thunderstorms" are thunderstorms that produce little or no rainfall at the surface. In combination with arid fuels (i.e. vegetation), dry thunderstorms can ignite wildfires with lightning, but will not produce much rain to put the wildfires out.