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

54°F

12°C

Humidity 58%
Wind Speed SE 5 mph
Barometer 30.22 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 21 May 9:55 pm CDT
Extended Forecast for

3 Miles SSW Marine On Saint Croix MN

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. East southeast wind 5 to 10 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 65. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers after midnight. Low around 49. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 70. South southeast wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 70 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the morning.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 54. South wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms

  • Memorial Day

    Memorial Day: A 20 percent chance of showers before 1pm. Sunny, with a high near 84. South southwest wind 5 to 10 mph.

    High: 84 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. East southeast wind 5 to 10 mph.
Friday
Mostly cloudy, with a high near 65. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A chance of showers and thunderstorms, then showers after midnight. Low around 49. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 70. South southeast wind 5 to 10 mph becoming west southwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the morning.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 54. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Memorial Day
A 20 percent chance of showers before 1pm. Sunny, with a high near 84. South southwest wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 59. South wind around 5 mph.
Tuesday
Sunny, with a high near 86. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 60. Southeast wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 85. East southeast wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. East southeast wind 5 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Southeast wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Marine On Saint Croix MN
 45.16°N 92.79°W (Elev. 912 ft)
Last Update:
9:02 pm CDT May 21, 2026
Forecast Valid:
10pm CDT May 21, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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