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

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 3 Sep 12:55 am CDT
Extended Forecast for

Winona MN

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 2pm. High near 84. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms, mainly before 4am. Some of the storms could produce heavy rainfall. Low around 69. Light southeast wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Heavy Rain

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 87. Heat index values as high as 95. South wind 3 to 5 mph.

    High: 87 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Southeast wind 3 to 5 mph.

    Low: 68 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. South wind 3 to 6 mph.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind 3 to 5 mph.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 72. Calm wind.
Thursday
Showers and thunderstorms, mainly before 2pm. High near 84. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms, mainly before 4am. Some of the storms could produce heavy rainfall. Low around 69. Light southeast wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 10 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 87. Heat index values as high as 95. South wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 68. Calm wind.
Saturday
Mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Southeast wind 3 to 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. South wind 3 to 6 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind 3 to 5 mph.
Labor Day
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 80. Southeast wind 3 to 7 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 7 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. South wind around 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 9 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. West wind around 11 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Winona MN
 44.05°N 91.68°W
Last Update:
12:26 am CDT Sep 3, 2026
Forecast Valid:
1am CDT Sep 3, 2026-6pm CDT Sep 9, 2026
 
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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