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.

Overcast

81°F

27°C

Humidity 54%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 7 Jul 12:55 pm CDT
Extended Forecast for

Saint Charles MN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 86. Southwest wind around 7 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. South wind 5 to 8 mph.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Southwest wind 9 to 13 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 64. Northwest wind 5 to 8 mph becoming south in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 79. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. East wind 3 to 5 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. East wind around 5 mph becoming south after midnight.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. South wind around 7 mph.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. Southwest wind around 7 mph.
Tonight
Mostly cloudy, with a low around 68. South wind 5 to 8 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Southwest wind 9 to 13 mph. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 64. Northwest wind 5 to 8 mph becoming south in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 79. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Friday
Mostly sunny, with a high near 81. East wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 62. East wind around 5 mph becoming south after midnight.
Saturday
Sunny, with a high near 83. South wind around 7 mph.
Saturday Night
Mostly clear, with a low around 64. South wind around 7 mph.
Sunday
Sunny, with a high near 86. Southwest wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 67. South wind around 8 mph.
Monday
Sunny, with a high near 89. Southwest wind 9 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:
11:46 am CDT Jul 7, 2026
Forecast Valid:
1pm CDT Jul 7, 2026-6pm CDT Jul 13, 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