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

Hazardous Weather Conditions

Current conditions at

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

Lat: 44.08°NLon: 91.7°WElev: 656ft.

Fair

70°F

21°C

Humidity 88%
Wind Speed SE 3 mph
Barometer 29.91 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 8 Aug 6:15 am CDT
Extended Forecast for

Saint Charles MN

  • Today

    Today: Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 98. Breezy, with a south wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 88 °F

    Patchy Fog
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 73. South wind around 14 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Southwest wind 8 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 83. Southwest wind around 7 mph.

    High: 83 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers. Mostly sunny, with a high near 82. West wind around 6 mph.

    High: 82 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Partly cloudy, with a low around 64. Southwest wind around 6 mph.

    Low: 64 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. South wind around 7 mph.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 98. Breezy, with a south wind 8 to 16 mph, with gusts as high as 25 mph.
Tonight
A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 73. South wind around 14 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Southwest wind 8 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 83. Southwest wind around 7 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 82. West wind around 6 mph.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 82. South wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 64. South wind around 6 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Southwest wind around 7 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. South wind around 7 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. South wind around 8 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:
5:29 am CDT Aug 8, 2025
Forecast Valid:
6am CDT Aug 8, 2025-6pm CDT Aug 14, 2025
 
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