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.

Partly Cloudy

78°F

26°C

Humidity 82%
Wind Speed S 5 mph
Barometer 29.82 in (1009.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 29 Jun 2:53 am CDT
Extended Forecast for

Collinsville IL

  • Overnight

    Overnight: Scattered showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 75. Southwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    T-storms

  • Saturday

    Saturday: Scattered showers and thunderstorms, mainly after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 91. Heat index values as high as 102. South wind around 9 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 91 °F

    Scattered
    T-storms

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69. North wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. North wind 8 to 10 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Northeast wind 6 to 9 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Scattered showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 75. Southwest wind around 7 mph. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms, mainly after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 91. Heat index values as high as 102. South wind around 9 mph becoming west in the afternoon. Chance of precipitation is 50%.
Saturday Night
Scattered showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69. North wind 5 to 8 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 82. North wind 8 to 10 mph.
Sunday Night
Mostly clear, with a low around 58. Northeast wind 6 to 9 mph.
Monday
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Sunny, with a high near 94.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 77.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Independence Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Collinsville IL
 38.68°N 90°W (Elev. 499 ft)
Last Update:
1:07 am CDT Jun 29, 2024
Forecast Valid:
3am CDT Jun 29, 2024-6pm CDT Jul 5, 2024
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation