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.

Partly Cloudy

64°F

18°C

Humidity 64%
Wind Speed SW 6 mph
Barometer 29.99 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 May 4:15 am CDT
Extended Forecast for

Saint Charles MN

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Slight Chance
    T-storms

  • Memorial Day

    Memorial Day: A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 84. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 84 °F

    Chance
    Showers then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 61. South wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. East wind 6 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. East wind 8 to 10 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. East wind 5 to 9 mph.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 9 mph, with gusts as high as 20 mph.
Memorial Day
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 84. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 62. Southwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 88. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 61. South wind 3 to 7 mph. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. East wind 6 to 10 mph.
Thursday
Sunny, with a high near 83. East wind 8 to 10 mph.
Thursday Night
Partly cloudy, with a low around 58. East wind 5 to 9 mph.
Friday
Mostly sunny, with a high near 80. Southeast wind 6 to 9 mph.
Friday Night
Mostly cloudy, with a low around 56. East wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 76. East wind 8 to 11 mph.
Saturday Night
Partly cloudy, with a low around 54. East wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 77. East wind around 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles MN
 43.97°N 92.07°W
Last Update:
3:26 am CDT May 25, 2026
Forecast Valid:
4am CDT May 25, 2026-6pm CDT May 31, 2026
 
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Additional Resources

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Chance of Precipitation