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

79°F

26°C

Humidity 42%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Aug 6:35 pm CDT
Extended Forecast for

Lewiston MN

  • Tonight

    Tonight: Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 65. South wind 5 to 9 mph.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 78. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. South wind around 14 mph, with gusts as high as 24 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. South wind 11 to 13 mph, with gusts as high as 22 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. Partly cloudy, with a low around 72. South wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 87. South wind around 9 mph becoming west in the afternoon.

    High: 87 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. West wind around 6 mph becoming light and variable.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 65. South wind 5 to 9 mph.
Saturday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 78. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Mostly cloudy, with a low around 67. South wind around 14 mph, with gusts as high as 24 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. South wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 87. South wind around 9 mph becoming west in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. West wind around 6 mph becoming light and variable.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 84. Southwest wind 5 to 7 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southwest wind 3 to 5 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 84. South wind 3 to 6 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southeast wind 3 to 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston MN
 43.99°N 91.86°W
Last Update:
6:26 pm CDT Aug 27, 2026
Forecast Valid:
6pm CDT Aug 27, 2026-6pm CDT Sep 3, 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