National Weather Service United States Department of Commerce

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 severe thunderstorms are possible later today through tonight. Main hazards will be hail to ping pong ball size, damaging winds to 60 mph, and localized heavy rain. With storms possible at night, be sure to have multiple ways to receive warnings.
Isolated severe thunderstorms are again possible Sunday through Sunday evening. Main hazards will be hail as large as golf balls, damaging winds as high as 70 mph, localized heavy rain, and perhaps an isolated tornado. Stay weather aware!
Thunderstorms are expected to develop Sunday over eastern Montana and western North Dakota, and track east across the state. In Dickinson the best chances for storms will be from early afternoon through the early evening. In Jamestown the best chances will run from late afternoon through the evening.
Seasonable temperatures are expected for the upcoming week. Chances for thunderstorms across western and central North Dakota Sunday, then drier and breezy to windy on Monday. Shower and thunderstorm chances return again Wednesday and Thursday.