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.

Light Drizzle

61°F

16°C

Humidity 94%
Wind Speed SE 6 mph
Barometer 30.25 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Sep 9:15 am CDT
Extended Forecast for

Saint Charles MN

Flood Watch September 18, 07:00pm until September 19, 01:00pm
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Showers, with thunderstorms also possible after 10am. High near 61. East wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 4am, then showers likely. Some of the storms could produce heavy rainfall. Low around 56. Breezy, with an east wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 56 °F

    Heavy Rain
    and Breezy

  • Saturday

    Saturday: A 50 percent chance of showers, mainly after 2pm. Cloudy, with a high near 65. Northeast wind 9 to 11 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 54. Northeast wind 9 to 11 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 65. Northeast wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 65 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 49. East wind 9 to 13 mph.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 59. East wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 59 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. Northeast wind 7 to 9 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. East wind 7 to 9 mph.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Showers, with thunderstorms also possible after 10am. High near 61. East wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm before 4am, then showers likely. Some of the storms could produce heavy rainfall. Low around 56. Breezy, with an east wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
A 50 percent chance of showers, mainly after 2pm. Cloudy, with a high near 65. Northeast wind 9 to 11 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54. Northeast wind 9 to 11 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 65. Northeast wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 49. East wind 9 to 13 mph.
Monday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 59. East wind 11 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 45. Northeast wind 7 to 9 mph.
Tuesday
Partly sunny, with a high near 60. East wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 43. East wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 63. East wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 46. Calm wind.
Thursday
Mostly sunny, with a high near 65. Light northeast wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles MN
 43.97°N 92.07°W
Last Update:
6:36 am CDT Sep 18, 2026
Forecast Valid:
9am CDT Sep 18, 2026-6pm CDT Sep 24, 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