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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 >

Isolated showers and storms will develop this afternoon, although most areas will remain dry. Some storms may be strong to severe, mainly along and south of I-90 in western South Dakota.
Isolated thunderstorms are possible today between 2 and 9 pm MDT (3 PM until 10 pm CDT), especially across southwestern South Dakota along and south of I-90. Some storms will be severe with large hail, damaging winds, locally heavy rain and deadly lightning.