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.

Rain

52°F

11°C

Humidity 94%
Wind Speed E 5 mph
Barometer 30.02 in
Dewpoint 50°F (10°C)
Visibility 4.00 mi
Wind Chill51°F (11°C)
Last update 15 Oct 11:35 am CDT
Extended Forecast for

Saint Charles MN

  • Today

    Today: Showers. High near 52. Southeast wind around 11 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Tonight

    Tonight: Showers before midnight, then a chance of showers after 1am. Low around 41. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 10am. Mostly cloudy, with a steady temperature around 44. Breezy, with a north wind 18 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Friday Night

    Friday Night: Widespread frost, mainly after 2am. Otherwise, clear, with a low around 30. North wind 5 to 13 mph becoming southwest after midnight.

    Low: 30 °F

    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Breezy, with a southwest wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 55 °F

    Frost then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 40. Breezy, with a south wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 40 °F

    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy, with a south wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64. South wind around 6 mph.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Showers. High near 52. Southeast wind around 11 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers before midnight, then a chance of showers after 1am. Low around 41. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, mainly before 10am. Mostly cloudy, with a steady temperature around 44. Breezy, with a north wind 18 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Widespread frost, mainly after 2am. Otherwise, clear, with a low around 30. North wind 5 to 13 mph becoming southwest after midnight.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Breezy, with a southwest wind 7 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Clear, with a low around 40. Breezy, with a south wind 14 to 18 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 62. Breezy, with a south wind 15 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 43. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 64. South wind around 6 mph.
Monday Night
Partly cloudy, with a low around 43. Light south wind.
Tuesday
Sunny, with a high near 67. Southeast wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 48. Southeast wind 5 to 7 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 69. South wind 7 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles MN
 43.95°N 92.04°W
Last Update:
11:46 am CDT Oct 15, 2026
Forecast Valid:
11am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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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