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: 6:39 am CST Feb 12, 2025
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  • Today

    Today: Snow and sleet, possibly mixed with freezing rain before 5pm, then a chance of snow and freezing rain.  High near 1. Northeast wind 10 to 13 km/h becoming north in the afternoon.  Chance of precipitation is 100%. Total daytime ice accumulation of less than a 0.1 of a centimeter possible.  Total daytime snow and sleet accumulation of 1 to 3 centimeters possible.

    High: 1 °C

    Wintry Mix



  • Tonight

    Tonight: A chance of freezing rain, mixing with snow after 7pm, then gradually ending.  Cloudy, with a low around -9. Northwest wind 11 to 16 km/h increasing to 19 to 24 km/h in the evening. Winds could gust as high as 39 km/h.  Chance of precipitation is 40%.

    Low: -9 °C

    Chance Wintry
    Mix then
    Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near -3. Northwest wind 19 to 24 km/h decreasing to 11 to 16 km/h in the afternoon. Winds could gust as high as 37 km/h.

    High: -3 °C

    Becoming
    Sunny


  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around -10. Calm wind.

    Low: -10 °C

    Mostly Clear



  • Friday

    Friday: Partly sunny, with a high near 3. Southeast wind 8 to 13 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 37 km/h.

    High: 3 °C

    Partly Sunny



  • Friday
    Night

    Friday Night: Rain, mainly after midnight.  Low around 2. Chance of precipitation is 90%.

    Low: 2 °C

    Chance Rain
    then Rain


  • Saturday

    Saturday: Rain, mainly after noon.  High near 7. Chance of precipitation is 80%.

    High: 7 °C

    Chance Rain
    then Rain


  • Saturday
    Night

    Saturday Night: Rain and snow before midnight, then a chance of snow.  Low around -6. Blustery.  Chance of precipitation is 80%.

    Low: -6 °C

    Rain/Snow
    then Chance
    Snow and
    Blustery

  • Sunday

    Sunday: Partly sunny, with a high near -4.

    High: -4 °C

    Partly Sunny





  • Today: Snow and sleet, possibly mixed with freezing rain before 5pm, then a chance of snow and freezing rain. High near 1. Northeast wind 10 to 13 km/h becoming north in the afternoon. Chance of precipitation is 100%. Total daytime ice accumulation of less than a 0.1 of a centimeter possible. Total daytime snow and sleet accumulation of 1 to 3 centimeters possible.

    Tonight: A chance of freezing rain, mixing with snow after 7pm, then gradually ending. Cloudy, with a low around -9. Northwest wind 11 to 16 km/h increasing to 19 to 24 km/h in the evening. Winds could gust as high as 39 km/h. Chance of precipitation is 40%.

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near -3. Northwest wind 19 to 24 km/h decreasing to 11 to 16 km/h in the afternoon. Winds could gust as high as 37 km/h.

    Thursday Night: Mostly clear, with a low around -10. Calm wind.

    Friday: Partly sunny, with a high near 3. Southeast wind 8 to 13 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 37 km/h.

    Friday Night: Rain, mainly after midnight. Low around 2. Chance of precipitation is 90%.

    Saturday: Rain, mainly after noon. High near 7. Chance of precipitation is 80%.

    Saturday Night: Rain and snow before midnight, then a chance of snow. Low around -6. Blustery. Chance of precipitation is 80%.

    Sunday: Partly sunny, with a high near -4.

    Sunday Night: Partly cloudy, with a low around -13.

    Washington's Birthday: Partly sunny, with a high near -3.

    Monday Night: A 20 percent chance of snow. Mostly cloudy, with a low around -8.

    Tuesday: A 40 percent chance of snow. Mostly cloudy, with a high near -3.



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

    Visit your local NWS office at: https://www.weather.gov/lsx/