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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Lake Elmo Airport (K21D)

Lat: 45°NLon: 92.85°WElev: 925ft.

Fair

77°F

25°C

Humidity 42%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Aug 6:35 pm CDT
Extended Forecast for

Afton MN

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms before 11am, then a slight chance of showers between 11am and 1pm. High near 80. South wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66. East southeast wind 5 to 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Southeast wind 5 to 10 mph.

    High: 86 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Southeast wind 5 to 10 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 88. South southeast wind around 5 mph becoming west in the afternoon.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday
Showers and thunderstorms before 11am, then a slight chance of showers between 11am and 1pm. High near 80. South wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 66. East southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Southeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 88. South southeast wind around 5 mph becoming west in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66. Northeast wind around 5 mph becoming east southeast in the evening.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. South southeast wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South southeast wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Afton MN
 44.91°N 92.83°W (Elev. 922 ft)
Last Update:
5:36 pm CDT Aug 28, 2026
Forecast Valid:
6pm CDT Aug 28, 2026-6pm CDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation