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Spring Valley, IL 7-Day Night Weather Forecast
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Spring Valley, IL Weather Forecast
Spring Valley, IL Weather Forecast Date: 331 PM CDT Tue Sep 08 2026
The area/counties/county of: Bureau, including the city of Princeton.or toggle through each period.
Tonight... Partly cloudy this evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Warmer with lows in the lower 70s. South winds 5 to 10 mph, becoming southwest after midnight. Chance of rain 50%.
Wednesday... Mostly cloudy. Occasional showers and thunderstorms in the morning, then a chance of showers in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 80%.
Wednesday Night... Mostly cloudy. Humid with lows in the mid 60s. West winds around 5 mph.
Thursday... Mostly sunny. Highs in the lower 80s. North winds 5 to 10 mph.
Thursday Night... Clear. Lows in the mid 50s. Northeast winds around 5 mph, becoming east after midnight.
Friday... Sunny. Highs in the lower 80s.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
Saturday... Partly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 40%.
Saturday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the lower 60s. Chance of rain 40%.
Sunday... Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 30%.
Sunday Night... Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40%.
Monday... Partly sunny. A chance of showers. Highs in the lower 80s. Chance of rain 50%.
Monday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 60%.
POP = Probability of Precipitation
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