St. Jacob, IL 7-Day Weather Forecast

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St. Jacob, IL 7-Day Weather Forecast

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St. Jacob IL weather  - Overcast - 66°F
Overcast
66°F
Updated 11:11 pm
Feels Like 58°F
Humidity 87%
Wind SSE 9 mph
Barometer  29.96 in
Dew Point 63°F
St. Jacob IL weather  - Overcast - 19°C
Overcast
19°C
Updated 11:11 pm
Feels Like 15°C
Humidity 87%
Wind SSE 14 km/h
Barometer  101.5 kPa
Dew Point 17°C
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St. Jacob Weather Forecast

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St. Jacob, IL Weather Forecast Date: 744 PM CST Mon Nov 02 2026

Weather forecast for St. Jacob, IL


Tonight
St. Jacob IL Weather for Tonight - Mostly Cloudy
Lo: 65°F
Lo: 18°C
Tonight... Mostly cloudy. Near steady temperature in the mid 60s. South winds 10 to 15 mph with gusts up to 30 mph.
Tue
St. Jacob IL Weather for Tuesday - Chance Of T-Storm
Hi: 75°FHi: 24°C
Lo: 51°F
Lo: 11°C
Tuesday... A chance of rain with a slight chance of thunderstorms in the morning, then rain with a chance of thunderstorms in the afternoon. Breezy with highs in the mid 70s. Temperature falling to around 70 in the afternoon. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain near 100%.
Wed
St. Jacob IL Weather for Wednesday - Partly Sunny
Hi: 65°FHi: 18°C
Lo: 45°F
Lo: 7°C
Wednesday... Partly sunny. Highs in the mid 60s. West winds 10 to 15 mph.
Thu
St. Jacob IL Weather for Thursday - Mostly Sunny
Hi: 69°FHi: 21°C
Lo: 39°F
Lo: 4°C
Thursday... Mostly sunny. Highs in the upper 60s.
Fri
St. Jacob IL Weather for Friday - Partly Cloudy
Hi: 60°FHi: 16°C
Lo: 39°F
Lo: 4°C
Friday... Partly cloudy. Highs around 60. Lows in the upper 30s.
Sat
St. Jacob IL Weather for Saturday - Partly Sunny
Hi: 59°FHi: 15°C
Lo: 39°F
Lo: 4°C
Saturday... Partly sunny. Highs in the upper 50s.
Sun
St. Jacob IL Weather for Sunday - Partly Cloudy
Hi: 61°FHi: 16°C
Lo: 39°F
Lo: 4°C
Sunday... Partly cloudy. Lows in the upper 30s. Highs in the lower 60s.
Sun
St. Jacob IL Weather for Sunday - Partly Cloudy
Hi: 61°FHi: 16°C
Lo: 39°F
Lo: 4°C
Sunday... Partly cloudy. Lows in the upper 30s. Highs in the lower 60s.

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