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St. James Weather Forecast
St. James, IL Weather Forecast Date: 1128 AM CDT Sun Sep 27 2026
Weather forecast for St. James, IL
Today Hi: 75°FHi: 24°C Lo: 50°F Lo: 10°C |
This Afternoon... Partly sunny. Highs in the mid 70s. Light and variable winds, becoming north around 5 mph. |
Mon Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Monday... Sunny. Highs in the upper 70s. Northeast winds around 5 mph in the morning, becoming light and variable. |
| Tue Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Tuesday... Sunny. Highs around 80. Southeast winds around 5 mph. |
Wed Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly cloudy with a 20% chance of showers. Highs in the lower 80s. |
| Thu Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Thursday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Chance of rain 60%. |
Fri Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Friday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 50%. |
| Sat Hi: 71°FHi: 22°C |
Saturday... Partly sunny with a 40% chance of showers. Highs in the lower 70s. |
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