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St. James, IL Weather Forecast
St. James, IL Weather Forecast Date: 318 AM CDT Sun Oct 04 2026
The area/counties/county of: Montgomery County Il, including the cities of: Litchfield and Vandalia.or toggle through each period.
Today... Sunny. Highs in the upper 70s. Northwest winds around 5 mph.
Tonight... Mostly clear. Lows in the upper 40s. North winds around 5 mph.
Monday... Sunny. Highs in the mid 70s. Northeast winds around 5 mph.
Monday Night... Clear. Lows in the mid 40s. East winds around 5 mph.
Tuesday... Sunny. Highs in the upper 70s. South winds around 5 mph.
Tuesday Night... Clear. Lows in the lower 50s. Highs in the lower 80s.
Wednesday... Clear. Lows in the lower 50s. Highs in the lower 80s.
Thursday... Mostly clear. A 20% chance of showers. Highs in the lower 80s. Lows in the mid 50s.
Thursday Night... Mostly clear. A 20% chance of showers. Highs in the lower 80s. Lows in the mid 50s.
Friday... Mostly clear. Highs in the mid 80s. Lows in the mid 50s.
POP = Probability of Precipitation
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