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City of Streator, IllinoisStreator, IL 7-Day Night Weather Forecast
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Streator, IL Weather Forecast
Streator, IL Weather Forecast Date: 951 PM CDT Fri Oct 02 2026
The area/counties/county of: La Salle, including the cities of: Ottawa, Streator, La Salle, Mendota, and Marseilles.or toggle through each period.
Rest of Tonight... Clear. Patchy fog late. Lows in the mid 40s. Northeast winds around 5 mph.
Saturday... Sunny. Patchy fog early in the morning. Highs in the upper 60s. Southeast winds 5 to 10 mph.
Saturday Night... Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph, becoming southwest after midnight.
Sunday... Sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph.
Sunday Night... Clear. Lows in the mid 40s. North winds around 5 mph.
Monday... Sunny. Highs in the upper 60s.
Monday Night... Clear. Lows in the lower 40s.
Tuesday... Sunny. Highs around 70.
Tuesday Night... Mostly clear. Lows in the upper 40s.
Wednesday... Mostly sunny. Highs in the mid 70s.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.
Thursday... Partly cloudy. Highs in the mid 70s.
Thursday Night... Partly cloudy in the evening, then clearing. Lows in the lower 50s.
POP = Probability of Precipitation
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