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

57°F

14°C

Humidity 82%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Aug 8:15 am CDT
Extended Forecast for

4 Miles S Marine On Saint Croix MN

  • Today

    Today: Sunny, with a high near 78. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. North wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 85. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 61. Southwest wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. West northwest wind 5 to 15 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Northwest wind 5 to 10 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. North northwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a low around 50. North wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 59. South wind around 5 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 85. South wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 61. Southwest wind 5 to 10 mph. Chance of precipitation is 10%.
Wednesday
Sunny, with a high near 80. West northwest wind 5 to 15 mph.
Wednesday Night
Mostly clear, with a low around 56. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 81. North northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming southeast after midnight.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. South southeast wind 5 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Marine On Saint Croix MN
 45.14°N 92.79°W (Elev. 896 ft)
Last Update:
7:51 am CDT Aug 23, 2026
Forecast Valid:
8am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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