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

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

Lat: 44.08°NLon: 91.7°WElev: 656ft.

Fair

59°F

15°C

Humidity 45%
Wind Speed S 7 mph
Barometer 29.90 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 29 Mar 9:41 pm CDT
Extended Forecast for

Saint Charles MN

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Southwest wind 6 to 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 76. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    High: 76 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 48. Southeast wind 8 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 57. Breezy, with a northwest wind 13 to 18 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Breezy.
    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Blustery, with a north wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 46. Northeast wind around 11 mph. Chance of precipitation is 20%.

    High: 46 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 1am, then snow showers likely. Mostly cloudy, with a low around 29. Breezy, with an east wind 14 to 18 mph. Chance of precipitation is 60%.

    Low: 29 °F

    Rain/Snow
    Likely and
    Breezy

  • Thursday

    Thursday: Rain and snow showers likely. Mostly cloudy, with a high near 40. Breezy, with an east wind 16 to 20 mph. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow showers, mainly before 1am. Mostly cloudy, with a low around 30. Breezy, with an east wind 13 to 16 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Southwest wind 6 to 9 mph.
Monday
Increasing clouds, with a high near 76. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 48. Southeast wind 8 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 57. Breezy, with a northwest wind 13 to 18 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 29. Blustery, with a north wind 11 to 16 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 46. Northeast wind around 11 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain and snow showers before 1am, then snow showers likely. Mostly cloudy, with a low around 29. Breezy, with an east wind 14 to 18 mph. Chance of precipitation is 60%.
Thursday
Rain and snow showers likely. Mostly cloudy, with a high near 40. Breezy, with an east wind 16 to 20 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers, mainly before 1am. Mostly cloudy, with a low around 30. Breezy, with an east wind 13 to 16 mph. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 48. Southeast wind 11 to 14 mph.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 38. Breezy, with an east wind 15 to 17 mph. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 51. Breezy, with a southeast wind around 18 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34. Breezy, with a northwest wind 20 to 22 mph. Chance of precipitation is 40%.
Sunday
A slight chance of rain and snow showers. Partly sunny, with a high near 46. Breezy, with a northwest wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
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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:
8:21 pm CDT Mar 29, 2026
Forecast Valid:
9pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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