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

46°F

8°C

Humidity 46%
Wind Speed W 6 mph
Barometer 30.17 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 9 Apr 12:01 pm CDT
Extended Forecast for

Saint Charles MN

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 52. West wind around 8 mph.

    High: 52 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before midnight. Cloudy, with a low around 34. Northwest wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 51. Northwest wind 8 to 10 mph.

    High: 51 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. North wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 55. Southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 50. Breezy, with a southeast wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers and
    Breezy

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 72. Breezy, with a south wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.

    High: 72 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph.

    Low: 60 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 78 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 52. West wind around 8 mph.
Tonight
A 50 percent chance of showers, mainly before midnight. Cloudy, with a low around 34. Northwest wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 51. Northwest wind 8 to 10 mph.
Friday Night
Mostly clear, with a low around 33. North wind around 5 mph becoming calm in the evening.
Saturday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 55. Southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 50. Breezy, with a southeast wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 72. Breezy, with a south wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 52. South wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 62. North wind 11 to 13 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. East wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 56. East wind around 14 mph becoming southwest in the afternoon.
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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:
11:16 am CDT Apr 9, 2026
Forecast Valid:
12pm CDT Apr 9, 2026-6pm CDT Apr 15, 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