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

77°F

25°C

Humidity 24%
Wind Speed SE 5 mph
Barometer 29.78 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 16 Apr 4:22 pm CDT
Extended Forecast for

Saint Charles MN

  • Tonight

    Tonight: Mostly clear, with a low around 55. South wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 74. Breezy, with a south wind 16 to 23 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Breezy.
    Partly Sunny
    then Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 31. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 29 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Chance
    Showers and
    Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 43. Breezy, with a west wind 20 to 22 mph, with gusts as high as 31 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Blustery, with a west wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 29 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. North wind 5 to 8 mph becoming south after midnight.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60. Breezy, with a south wind 8 to 16 mph.

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. South wind around 15 mph, with gusts as high as 24 mph.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. South wind 9 to 15 mph, with gusts as high as 23 mph.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 74. Breezy, with a south wind 16 to 23 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 31. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 29 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 43. Breezy, with a west wind 20 to 22 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 29. Blustery, with a west wind 10 to 18 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 48. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 29. North wind 5 to 8 mph becoming south after midnight.
Monday
Sunny, with a high near 60. Breezy, with a south wind 8 to 16 mph.
Monday Night
Partly cloudy, with a low around 48. South wind around 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 70. Southwest wind 10 to 13 mph becoming northwest in the afternoon.
Tuesday Night
Clear, with a low around 44. Northwest wind around 9 mph becoming east after midnight.
Wednesday
Sunny, with a high near 69. Southeast wind 8 to 10 mph.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 49. Southeast wind 10 to 14 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 69. Breezy, with a southeast wind 14 to 16 mph, with gusts as high as 25 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles MN
 43.97°N 92.07°W
Last Update:
3:07 pm CDT Apr 16, 2026
Forecast Valid:
5pm CDT Apr 16, 2026-6pm CDT Apr 23, 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