Weather WorldSt. Clair, MN 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
St. Clair, MN Weather Forecast
St. Clair, MN Weather Forecast Date: 1213 AM CDT Sat Sep 19 2026
The area/counties/county of: Blue Earth, including the city of Mankato.or toggle through each period.
Rest of Tonight... Cloudy. Chance of thunderstorms after midnight, then chance of showers, drizzle and slight chance of thunderstorms early in the morning. Patchy fog through the night. Near steady temperature in the lower 60s. East winds 5 to 15 mph. Chance of precipitation 50%.
Saturday... Cloudy. Patchy fog in the morning. Slight chance of rain showers and drizzle in the morning, then slight chance of drizzle in the afternoon. Near steady temperature in the lower 60s. Northeast winds 5 to 15 mph. Chance of showers 20%.
Saturday Night... Mostly cloudy. Lows in the mid 50s. North winds 5 to 10 mph.
Sunday... Mostly cloudy. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Sunday Night... Mostly cloudy. Lows in the lower 50s. Northeast winds 5 to 15 mph.
Monday... Mostly cloudy with a 40% chance of rain showers. Highs in the lower 60s.
Monday Night... Mostly cloudy. Lows in the mid 40s.
Tuesday... Partly sunny. Highs in the lower 60s.
Tuesday Night... Mostly clear. Lows in the mid 40s.
Wednesday... Sunny. Highs in the mid 60s.
Wednesday Night... Partly cloudy. Lows in the upper 40s.
Thursday... Partly sunny. Highs in the upper 60s.
Thursday Night... Partly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
St. Clair Radar Loop
Use the map search tool if you want to place a location marker on the radar map...