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Lostant, IL Weather Forecast
Lostant, IL Weather Forecast Date: 121 PM CDT Sat Oct 24 2026
The area/counties/county of: La Salle, including the cities of: Ottawa, Streator, La Salle, Mendota, and Marseilles.or toggle through each period.
This Afternoon... Partly cloudy. Highs in the mid 70s. Southeast winds 5 to 10 mph.
Tonight... Partly cloudy. Lows in the upper 40s. Southeast winds around 5 mph.
Sunday... Partly cloudy. Highs in the mid 70s. South winds around 5 mph.
Sunday Night... Partly cloudy. Lows around 50. Southeast winds around 5 mph.
Monday... Mostly cloudy. Highs in the lower 70s. East winds 5 to 10 mph.
Monday Night... Partly cloudy. Lows in the upper 40s.
Tuesday... Mostly cloudy. Highs in the lower 70s.
Tuesday Night... Mostly cloudy. Lows in the mid 50s.
Wednesday... Partly cloudy in the morning, then clearing. Highs in the upper 70s.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.
Thursday... Partly cloudy. Highs in the upper 70s.
Thursday Night... Partly cloudy. Lows in the mid 50s.
POP = Probability of Precipitation
Lostant Radar Loop
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