National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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 29.86 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 3 Sep 3:35 am CDT
Extended Forecast for

Lewiston MN

  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a steady temperature around 71. South wind around 5 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 83. South wind 6 to 9 mph becoming west in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms, mainly before 3am. Some of the storms could produce heavy rainfall. Low around 69. South wind 6 to 8 mph. 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 30 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 86. South wind 5 to 8 mph.

    High: 86 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. Calm wind becoming east around 5 mph in the evening.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. East wind around 6 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Southeast wind 5 to 7 mph.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81. Southeast wind 6 to 8 mph.

    High: 81 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 65. Southeast wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a steady temperature around 71. South wind around 5 mph.
Thursday
Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 83. South wind 6 to 9 mph becoming west in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms, mainly before 3am. Some of the storms could produce heavy rainfall. Low around 69. South wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 86. South wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 68. Calm wind becoming east around 5 mph in the evening.
Saturday
Mostly sunny, with a high near 83. East wind around 6 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Southeast wind 5 to 7 mph.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81. Southeast wind 6 to 8 mph.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 65. Southeast wind 5 to 7 mph. Chance of precipitation is 30%.
Labor Day
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. South wind 7 to 10 mph. Chance of precipitation is 40%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Breezy, with a southwest wind around 16 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 78. West wind 8 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston MN
 43.99°N 91.86°W
Last Update:
2:52 am CDT Sep 3, 2026
Forecast Valid:
3am CDT Sep 3, 2026-6pm CDT Sep 9, 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