Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Tropical Storm Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Aug 15, 2025 at 7:12:19 am MDT

Watches, Warnings & Advisories

Zoom Out

Red Flag Warning

Hazardous Weather Outlook

Key Points

Isolated Showers and Thunderstorms Today

Warm and dry weather continues across Southwestern Montana today, bringing continued elevated fire weather conditions to the area. Expect the warm and dry pattern to continue, though a mix of wet and dry thunderstorms is expected over the weekend, which could help help start additional fires.

Text Product Selector (Selected product opens in current window)

Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

NWS Forecast Office Great Falls, MT