National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Fairmont, Fairmont Municipal Airport (KFRM)

Lat: 43.65°NLon: 94.42°WElev: 1161ft.

Fair

69°F

21°C

Humidity 93%
Wind Speed S 13 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 15 Aug 7:56 am CDT
Extended Forecast for

Frost MN

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Heat index values as high as 98. South wind around 10 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East southeast wind around 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Southeast wind 5 to 10 mph.

    High: 87 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph.

    High: 88 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. North northeast wind around 5 mph.

    Low: 67 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. North wind around 5 mph.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Heat index values as high as 98. South wind around 10 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. South wind around 5 mph.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East southeast wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Southeast wind 5 to 10 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. North northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 82. North wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 63. North northeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 81. North northeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 63. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Frost MN
 43.58°N 93.93°W (Elev. 1152 ft)
Last Update:
7:47 am CDT Aug 15, 2025
Forecast Valid:
8am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation