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

54°F

12°C

Humidity 72%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Oct 8:15 pm CDT
Extended Forecast for

Saint Charles MN

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 45. Light and variable wind becoming east around 6 mph after midnight.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers, mainly after 10am. High near 55. Southeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers

  • Thursday Night

    Thursday Night: Showers before 11pm, then a slight chance of showers after 4am. Low around 41. Breezy, with a northwest wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Breezy.
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 51. Breezy, with a north wind 20 to 22 mph, with gusts as high as 39 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 31. North wind 5 to 8 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Widespread frost before 8am. Otherwise, sunny, with a high near 57. Southwest wind 5 to 14 mph, with gusts as high as 26 mph.

    High: 57 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41. Breezy, with a south wind 11 to 18 mph.

    Low: 41 °F

    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 64. Breezy, with a south wind 16 to 18 mph, with gusts as high as 29 mph.

    High: 64 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 45. Light and variable wind becoming east around 6 mph after midnight.
Thursday
Showers, mainly after 10am. High near 55. Southeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers before 11pm, then a slight chance of showers after 4am. Low around 41. Breezy, with a northwest wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 51. Breezy, with a north wind 20 to 22 mph, with gusts as high as 39 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 31. North wind 5 to 8 mph becoming calm in the evening.
Saturday
Widespread frost before 8am. Otherwise, sunny, with a high near 57. Southwest wind 5 to 14 mph, with gusts as high as 26 mph.
Saturday Night
Clear, with a low around 41. Breezy, with a south wind 11 to 18 mph.
Sunday
Sunny, with a high near 64. Breezy, with a south wind 16 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 66. South wind around 6 mph.
Monday Night
Mostly clear, with a low around 44. South wind 3 to 5 mph.
Tuesday
Sunny, with a high near 69. South wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 50. South wind 7 to 10 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 70. South wind 9 to 13 mph, with gusts as high as 23 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:
6:46 pm CDT Oct 14, 2026
Forecast Valid:
8pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation