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

Dangerous Winter Storm Through Monday Morning

A dangerous winter storm will unfold tonight through Monday morning bringing heavy snowfall (possibly record-breaking for some), ice, and blizzard conditions. Make appropriate preparations, as power outages will be possible. Travel will become dangerous, if not impossible. Read More >

Hazardous Weather Conditions

Current conditions at

Winona, Winona Municipal Airport-Max Conrad Field (KONA)

Lat: 44.08°NLon: 91.7°WElev: 656ft.

Light Snow

30°F

-1°C

Humidity 86%
Wind Speed E 14 G 20 mph
Barometer 29.66 in
Dewpoint 27°F (-3°C)
Visibility 5.00 mi
Wind Chill19°F (-7°C)
Last update 15 Mar 5:55 am CDT
Extended Forecast for

Saint Charles MN

Blizzard Warning March 15, 10:00am until March 16, 07:00am
Winter Storm Warning March 15, 06:01am until March 15, 10:00am
Click here for hazard details and duration
Blizzard Warning
...
  •  
    Winter Storm Warning March 15, 06:01am until March 15, 10:00am

    NOW until 10:00am Sun

    Winter Storm Warning

  • Today

    High: 30 °F

    Heavy Snow
    and Blowing
    Snow

  • Tonight

    Tonight: Snow, mainly before 5am. Widespread blowing snow. Low around 9. Wind chill values as low as -9. Very windy, with a northwest wind 33 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 9 °F

    Snow and
    Blowing Snow

  • Monday

    Monday: A 30 percent chance of snow, mainly before 7am. Widespread blowing snow, mainly before 8am. Cloudy, with a high near 15. Wind chill values as low as -14. Windy, with a northwest wind 23 to 32 mph, with gusts as high as 47 mph.

    High: 15 °F

    Chance Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around -4. Wind chill values as low as -19. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 33 mph.

    Low: -4 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 23. West wind 6 to 10 mph becoming south in the afternoon.

    High: 23 °F

    Sunny then
    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow, mainly before 1am. Low around 16. Breezy, with a south wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 16 °F

    Snow and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Southwest wind 8 to 10 mph.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Southwest wind around 9 mph.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Today
Snow. The snow could be heavy at times. Widespread blowing snow, mainly between 7am and 1pm. High near 30. Windy, with a north wind 22 to 31 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Snow, mainly before 5am. Widespread blowing snow. Low around 9. Wind chill values as low as -9. Very windy, with a northwest wind 33 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday
A 30 percent chance of snow, mainly before 7am. Widespread blowing snow, mainly before 8am. Cloudy, with a high near 15. Wind chill values as low as -14. Windy, with a northwest wind 23 to 32 mph, with gusts as high as 47 mph.
Monday Night
Mostly clear, with a low around -4. Wind chill values as low as -19. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 33 mph.
Tuesday
A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 23. West wind 6 to 10 mph becoming south in the afternoon.
Tuesday Night
Snow, mainly before 1am. Low around 16. Breezy, with a south wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Mostly sunny, with a high near 40. Southwest wind 8 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 30. Southwest wind around 9 mph.
Thursday
Mostly sunny, with a high near 45. West wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 34. Southwest wind 7 to 9 mph.
Friday
Mostly cloudy, with a high near 51. Southwest wind 10 to 13 mph.
Friday Night
Mostly cloudy, with a low around 32. Northwest wind around 14 mph.
Saturday
Mostly sunny, with a high near 45. Northwest wind 11 to 14 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles MN
 43.97°N 92.07°W
Last Update:
5:51 am CDT Mar 15, 2026
Forecast Valid:
6am CDT Mar 15, 2026-6pm CDT Mar 21, 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