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.

Overcast

48°F

9°C

Humidity 87%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 15 Oct 7:15 am CDT
Extended Forecast for

3 Miles SW Marine On Saint Croix MN

  • Today

    Today: Showers, mainly after 9am. High near 53. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers

  • Tonight

    Tonight: A chance of showers before 10pm, then a chance of showers after 2am. Mostly cloudy, with a low around 40. Northwest wind 5 to 15 mph. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 9am. Cloudy through mid morning, then gradual clearing, with a high near 51. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 51 °F

    Breezy.
    Slight Chance
    Showers then
    Decreasing
    Clouds

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, clear, with a low around 31. North northwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 59 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41. South southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. South southwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 67. Calm wind becoming southeast around 5 mph.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Showers, mainly after 9am. High near 53. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A chance of showers before 10pm, then a chance of showers after 2am. Mostly cloudy, with a low around 40. Northwest wind 5 to 15 mph. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers before 9am. Cloudy through mid morning, then gradual clearing, with a high near 51. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.
Friday Night
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 31. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Clear, with a low around 41. South southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 65. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 41. South southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 67. Calm wind becoming southeast around 5 mph.
Monday Night
Mostly clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 68. Light southeast wind becoming south southeast 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 47. South southeast wind around 5 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 68. South wind 5 to 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Marine On Saint Croix MN
 45.16°N 92.82°W (Elev. 951 ft)
Last Update:
5:31 am CDT Oct 15, 2026
Forecast Valid:
7am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation