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Janssen, IL 7-Day Night Weather Forecast
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Janssen, IL Weather Forecast
Janssen, IL Weather Forecast Date: 136 AM CST Fri Nov 06 2026
The area/counties/county of: Stephenson, including the city of Freeport.or toggle through each period.
Rest of Tonight... Mostly cloudy. Cooler with lows in the mid 30s. North winds around 10 mph with gusts up to 20 mph.
Friday... Mostly sunny. Highs in the upper 40s. North winds 5 to 10 mph.
Friday Night... Mostly clear. Lows in the upper 20s. Northwest winds around 5 mph.
Saturday... Mostly sunny. Highs in the lower 50s. West winds 5 to 10 mph.
Saturday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 30s. Southwest winds 5 to 10 mph.
Sunday... Mostly clear. Highs in the lower 60s. Lows in the mid 30s.
Monday... Mostly clear. Highs in the lower 60s. Lows in the mid 30s.
Tuesday... Sunny. Highs around 60.
Tuesday Night... Partly cloudy. Lows in the mid 30s. Highs in the upper 50s.
Wednesday... Partly cloudy. Lows in the mid 30s. Highs in the upper 50s.
POP = Probability of Precipitation
Janssen Radar Loop
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