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

Lake Elmo Airport (K21D)

Lat: 45°NLon: 92.85°WElev: 925ft.

Mostly Cloudy

68°F

20°C

Humidity 78%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 13 Aug 6:35 am CDT
Extended Forecast for

Lake St. Croix Beach MN

  • Today

    Today: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 3pm. Mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 82. East southeast wind 5 to 10 mph.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 65. Southeast wind around 10 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 80. East southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 80. North northwest wind 5 to 10 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. North northwest wind 5 to 10 mph becoming light north in the evening.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 3pm. Mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.
Tonight
Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 82. East southeast wind 5 to 10 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 65. Southeast wind around 10 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 80. East southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 80. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 59. North northwest wind 5 to 10 mph becoming light north in the evening.
Monday
Sunny, with a high near 80. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. West southwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. Calm wind becoming north northwest around 5 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake St. Croix Beach MN
 44.93°N 92.76°W (Elev. 679 ft)
Last Update:
5:11 am CDT Aug 13, 2026
Forecast Valid:
6am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
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