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

27°F

-3°C

Humidity 80%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 18 Mar 7:35 am CDT
Extended Forecast for

Saint Charles MN

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 40. West wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 40 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Rain likely, mainly between midnight and 4am. Mostly cloudy, with a low around 33. Southwest wind 5 to 9 mph becoming southeast after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely

  • Thursday

    Thursday: Partly sunny, with a high near 46. North wind around 6 mph becoming southwest in the afternoon.

    High: 46 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. South wind 6 to 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60. Southwest wind around 10 mph becoming northwest in the afternoon.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. Northwest wind around 9 mph becoming southwest after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Southwest wind 8 to 14 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 37. Northwest wind around 15 mph becoming northeast after midnight. Winds could gust as high as 23 mph.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 45. North wind around 15 mph.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 40. West wind 7 to 13 mph, with gusts as high as 22 mph.
Tonight
Rain likely, mainly between midnight and 4am. Mostly cloudy, with a low around 33. Southwest wind 5 to 9 mph becoming southeast after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 46. North wind around 6 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 38. South wind 6 to 10 mph.
Friday
Partly sunny, with a high near 60. Southwest wind around 10 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 41. Northwest wind around 9 mph becoming southwest after midnight.
Saturday
Mostly sunny, with a high near 69. Southwest wind 8 to 14 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 37. Northwest wind around 15 mph becoming northeast after midnight. Winds could gust as high as 23 mph.
Sunday
Partly sunny, with a high near 45. North wind around 15 mph.
Sunday Night
Partly cloudy, with a low around 24. North wind 8 to 11 mph.
Monday
Partly sunny, with a high near 43. Northeast wind 8 to 10 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 30. South wind 9 to 13 mph.
Tuesday
Mostly cloudy, with a high near 51. Southwest wind 10 to 13 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:
5:16 am CDT Mar 18, 2026
Forecast Valid:
7am CDT Mar 18, 2026-6pm CDT Mar 24, 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