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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Saint Charles MN

  • Today

    Today: A 30 percent chance of showers, mainly after 5pm. Mostly sunny, with a high near 50. Breezy, with a northwest wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 50 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 31. Blustery, with a northwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Showers
    Likely and
    Blustery then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 39. Breezy, with a northwest wind around 18 mph, with gusts as high as 28 mph.

    High: 39 °F

    Decreasing
    Clouds and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. North wind 5 to 15 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Light east wind becoming south 6 to 11 mph in the morning.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers before 10pm, then rain and snow showers likely between 10pm and 4am, then rain showers likely after 4am. Mostly cloudy, with a low around 33. Breezy, with a south wind 13 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 62. Breezy, with a south wind 21 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.

    High: 62 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Partly cloudy, with a low around 37. Breezy, with a west wind 11 to 20 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A 30 percent chance of showers. Mostly sunny, with a high near 49. Northwest wind 9 to 13 mph.

    High: 49 °F

    Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers, mainly after 5pm. Mostly sunny, with a high near 50. Breezy, with a northwest wind 14 to 16 mph, with gusts as high as 25 mph.
Tonight
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 31. Blustery, with a northwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 39. Breezy, with a northwest wind around 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 19. North wind 5 to 15 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 41. Light east wind becoming south 6 to 11 mph in the morning.
Tuesday Night
A chance of snow showers before 10pm, then rain and snow showers likely between 10pm and 4am, then rain showers likely after 4am. Mostly cloudy, with a low around 33. Breezy, with a south wind 13 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 62. Breezy, with a south wind 21 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 37. Breezy, with a west wind 11 to 20 mph, with gusts as high as 29 mph.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 49. Northwest wind 9 to 13 mph.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 33. North wind around 7 mph.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 50. East wind around 7 mph becoming north in the afternoon. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35. Northeast wind around 9 mph.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 55. East 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:
5:51 am CDT Apr 5, 2026
Forecast Valid:
9am CDT Apr 5, 2026-6pm CDT Apr 11, 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