Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

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Last Map Update: Mon, Aug 17, 2026 at 1:54:43 pm MDT

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Thunderstorms Today

Early Week Storms

Heating up Again

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This afternoon and evening showers and thunderstorms will affect North-central, Central, and Southwestern Montana. All thunderstorms will produce gusty winds, brief heavy downpours, frequent lightning, and small hail. The strongest storms will produce strong wind gusts. The strongest storms will be in Judith Basin and Fergus Counties. #mtwx

Scattered shower and thunderstorm activity continues through Tuesday. Then there will be a break later in the workweek before the storms return next weekend. Have a shelter plan for outdoor activities and multiple ways to receive warnings should they be issued. #MTwx

Temperatures begin to heat up during the second half of the week. Stay safe by practicing heat safety, preventing wildfires, and and having a shelter plan if storms pop up. #MTwx