
Heavy Rain, Potential Flooding Today
The risk for flash flooding and river rises continues for much of the day south of Interstate 90 with renewed storm development expected in the early afternoon, which could result in another 2 to 4 inches of rain falling over NE Iowa and SW Wisconsin. Read More >
Current conditions at
Winona, Winona Municipal Airport-Max Conrad Field (KONA)
Lat: 44.08°NLon: 91.7°WElev: 656ft.
Overcast
61°F
16°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 29.97 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 19 Sep 11:15 am CDT |
Extended Forecast for
Saint Charles MN
Today

High: 61 °F
Showers
LikelyTonight
Low: 54 °F
Slight Chance
Showers then
CloudySunday

High: 67 °F
Partly Sunny
Sunday Night

Low: 49 °F
Mostly Cloudy
Monday

High: 62 °F
Mostly Cloudy
Monday Night

Low: 44 °F
Mostly Cloudy
Tuesday

High: 61 °F
Mostly Sunny
Tuesday Night

Low: 42 °F
Mostly Clear
Wednesday

High: 64 °F
Sunny
Detailed Forecast
Today
Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Cloudy, with a high near 61. Northeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers before 10pm. Cloudy, with a low around 54. Northeast wind 8 to 10 mph.
Sunday
Partly sunny, with a high near 67. Northeast wind 11 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 49. East wind 8 to 11 mph.
Monday
Mostly cloudy, with a high near 62. East wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 44. East wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 61. East wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 42. East wind 3 to 5 mph.
Wednesday
Sunny, with a high near 64. East wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 47. Light southeast wind.
Thursday
Mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50. Calm wind.
Friday
Mostly sunny, with a high near 69. Southeast wind 3 to 5 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Saint Charles MN
43.97°N 92.07°W
43.97°N 92.07°W
11:07 am CDT Sep 19, 2026
11am CDT Sep 19, 2026-6pm CDT Sep 25, 2026


