Weather World
St. Charles, MN 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
St. Charles, MN Weather Forecast
St. Charles, MN Weather Forecast Date: 227 PM CDT Fri Sep 18 2026
The area/counties/county of: Winona, including the city of Winona.or toggle through each period.
This Afternoon... Showers with a chance of thunderstorms. Near steady temperature in the lower 60s. East winds 5 to 10 mph. Chance of rain 90%.
Tonight... Showers with a chance of thunderstorms. Some thunderstorms May produce heavy rainfall. Lows in the upper 50s. East winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of rain 90%.
Saturday... Cloudy. Showers likely in the morning, then a chance of showers in the afternoon. Highs in the mid 60s. East winds 5 to 10 mph, becoming northeast in the afternoon. Chance of rain 70%.
Saturday Night... Mostly cloudy. Showers likely in the evening. Lows in the mid 50s. Northeast winds 10 to 15 mph. Chance of rain 70%.
Sunday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Sunday Night... Mostly cloudy. Lows in the upper 40s.
Monday... Mostly cloudy with a 40% chance of showers. Highs in the lower 60s.
Monday Night... Mostly cloudy. Lows in the mid 40s.
Tuesday... Partly cloudy. Highs in the lower 60s. Lows in the mid 40s.
Wednesday... Partly cloudy. Highs in the lower 60s. Lows in the mid 40s.
POP = Probability of Precipitation
St. Charles Radar Loop
Use the map search tool if you want to place a location marker on the radar map...