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.

Overcast

66°F

19°C

Humidity 83%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Sep 7:55 pm 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

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. East wind around 6 mph.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Showers, with thunderstorms also possible after 1pm. High near 62. Breezy, with an east wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 62 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 58. Breezy, with an east wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 58 °F

    Heavy Rain
    and Breezy

  • Saturday

    Saturday: Showers likely, mainly after 7am. Mostly cloudy, with a high near 66. East wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56. Northeast wind 9 to 11 mph. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 63. East wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 53. East wind 9 to 13 mph.

    Low: 53 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers. Mostly cloudy, with a high near 59. East wind around 11 mph, with gusts as high as 20 mph.

    High: 59 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 48. East wind 7 to 10 mph.

    Low: 48 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. East wind around 6 mph.
Friday
Showers, with thunderstorms also possible after 1pm. High near 62. Breezy, with an east wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 58. Breezy, with an east wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers likely, mainly after 7am. Mostly cloudy, with a high near 66. East wind around 10 mph. Chance of precipitation is 70%. 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 56. Northeast wind 9 to 11 mph. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 63. East wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 53. East wind 9 to 13 mph.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 59. East wind around 11 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 48. East wind 7 to 10 mph.
Tuesday
Partly sunny, with a high near 60. East wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 47. East wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 64. East wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 53. Southeast wind 3 to 5 mph.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 67. South wind around 6 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles MN
 43.97°N 92.07°W
Last Update:
6:21 pm CDT Sep 17, 2026
Forecast Valid:
8pm CDT Sep 17, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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