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

30°F

-1°C

Humidity 75%
Wind Speed NW 3 mph
Barometer 30.29 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 20 Apr 1:44 am CDT
Extended Forecast for

Saint Charles MN

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. South wind 5 to 15 mph, with gusts as high as 24 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. Breezy, with a south wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 72. Southwest wind around 6 mph becoming north in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43. North wind around 6 mph becoming light and variable.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Southeast wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Breezy, with a south wind 15 to 18 mph, with gusts as high as 28 mph.

    Low: 60 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. Windy, with a south wind 20 to 26 mph, with gusts as high as 36 mph.

    High: 73 °F

    Partly Sunny
    and Breezy
    then Chance
    Showers and
    Windy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 48. Breezy, with a south wind 17 to 22 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 29. Calm wind.
Monday
Sunny, with a high near 56. South wind 5 to 15 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 44. Breezy, with a south wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 72. Southwest wind around 6 mph becoming north in the afternoon.
Tuesday Night
Clear, with a low around 43. North wind around 6 mph becoming light and variable.
Wednesday
Sunny, with a high near 76. Southeast wind 7 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 60. Breezy, with a south wind 15 to 18 mph, with gusts as high as 28 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. Windy, with a south wind 20 to 26 mph, with gusts as high as 36 mph.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 48. Breezy, with a south wind 17 to 22 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 59. Breezy, with a northwest wind 16 to 18 mph.
Friday Night
Partly cloudy, with a low around 38. Northwest wind 9 to 14 mph.
Saturday
Mostly sunny, with a high near 58. Northwest wind 10 to 13 mph.
Saturday Night
Partly cloudy, with a low around 39. Northwest wind 7 to 10 mph becoming southwest after midnight.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 58. West wind 7 to 11 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:
1:26 am CDT Apr 20, 2026
Forecast Valid:
2am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
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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