7-Day Forecast 38.68°N 90°W (Text-Only)
NWS Forecast for: Collinsville IL
Issued by: National Weather Service Saint Louis, MO
Last Update: 7:06 pm CST Feb 15, 2025


Tonight: Rain and snow, becoming all snow after 11pm. Patchy fog between 10pm and 4am. Low around -3. Blustery, with a northwest wind 27 to 32 km/h, with gusts as high as 50 km/h. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 centimeters possible.

Sunday: Mostly cloudy, with a high near -3. Blustery, with a northwest wind 26 to 32 km/h, with gusts as high as 50 km/h.

Sunday Night: Partly cloudy, with a low around -11. Northwest wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 39 km/h.

Washington's Birthday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near -6. Northwest wind 5 to 10 km/h becoming northeast in the afternoon.

Monday Night: A 40 percent chance of snow, mainly after midnight. Cloudy, with a low around -12. Northeast wind 10 to 14 km/h.

Tuesday: Snow likely, mainly after noon. Mostly cloudy and cold, with a high near -9. Chance of precipitation is 70%. New snow accumulation of 2 to 4 centimeters possible.

Tuesday Night: Snow likely, mainly before midnight. Cloudy, with a low around -14. Chance of precipitation is 70%.

Wednesday: A 20 percent chance of snow before noon. Mostly cloudy and cold, with a high near -9.

Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -17.

Thursday: Partly sunny and cold, with a high near -9.

Thursday Night: Partly cloudy, with a low around -17.

Friday: Mostly sunny, with a high near -6.

Friday Night: Mostly cloudy, with a low around -13.

Saturday: Mostly sunny, with a high near 0.



Collinsville IL
 38.68°N 90°W (Elev. 499 m)

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