National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Snow and Breezy

29°F

-2°C

Humidity 69%
Wind Speed NW 21 G 41 mph
Barometer 29.76 in (1007.7 mb)
Dewpoint 20°F (-7°C)
Visibility 9.00 mi
Wind Chill16°F (-9°C)
Last update 16 Mar 3:53 am CDT
Extended Forecast for

2 Miles NE Collinsville IL

Wind Advisory March 16, 04:35am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 16, 04:35am until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Today

    High: 28 °F

    Blustery.
    Chance Snow
    then Chance
    Flurries

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.

    Low: 15 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Northwest wind 6 to 9 mph becoming southwest in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 31. Southeast wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 31 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Today
A chance of snow before 3pm, then a chance of flurries between 3pm and 4pm. Cloudy, with a high near 28. Blustery, with a northwest wind 24 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 35. Northwest wind 6 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 31. Southeast wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 63. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Collinsville IL
 38.7°N 89.97°W (Elev. 551 ft)
Last Update:
3:56 am CDT Mar 16, 2026
Forecast Valid:
4am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation