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

57°F

14°C

Humidity 94%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Aug 2:35 am CDT
Extended Forecast for

Winona MN

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 64. Calm wind becoming southeast around 5 mph after midnight.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 3pm. High near 77. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. Southeast wind 7 to 9 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. South wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. South wind 5 to 7 mph.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. South wind 5 to 7 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light southwest wind.

    Low: 67 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 55. Calm wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 83. Light and variable wind.
Friday Night
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 64. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Showers and thunderstorms, mainly before 3pm. High near 77. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Mostly cloudy, with a low around 67. Southeast wind 7 to 9 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. South wind 5 to 8 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. South wind 5 to 7 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. South wind 5 to 7 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light southwest wind.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Calm wind.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 86. South wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Winona MN
 44.05°N 91.65°W
Last Update:
2:16 am CDT Aug 28, 2026
Forecast Valid:
2am CDT Aug 28, 2026-6pm CDT Sep 3, 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