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.

Fair

43°F

6°C

Humidity 93%
Wind Speed SE 3 mph
Barometer 29.78 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 15 Apr 4:35 am CDT
Extended Forecast for

Lake St. Croix Beach MN

  • Today

    Today: Mostly sunny, with a high near 67. Calm wind becoming north northeast around 5 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. South southeast wind around 10 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 73. South southeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of rain showers before 4am, then a slight chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 32. Northwest wind around 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A 40 percent chance of snow showers, mainly after 7am. Partly sunny, with a high near 41. West northwest wind around 15 mph.

    High: 41 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 1am. Partly cloudy, with a low around 28. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Northwest wind 5 to 10 mph.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. Calm wind becoming north northeast around 5 mph.
Tonight
Partly cloudy, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53. South southeast wind around 10 mph.
Friday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 73. South southeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of rain showers before 4am, then a slight chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 32. Northwest wind around 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A 40 percent chance of snow showers, mainly after 7am. Partly sunny, with a high near 41. West northwest wind around 15 mph.
Saturday Night
A 20 percent chance of snow showers before 1am. Partly cloudy, with a low around 28. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 49. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 30. Northwest wind around 5 mph becoming southeast after midnight.
Monday
Sunny, with a high near 63. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 46. South wind around 10 mph.
Tuesday
Sunny, with a high near 70. West wind around 10 mph.
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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:
4:42 am CDT Apr 15, 2026
Forecast Valid:
4am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation