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

Severe Weather Threat Continues Across the Central U.S.; Critical Fire Weather Conditions in New Mexico

Severe thunderstorms will continue to be likely across the Central Plains into the Midwest on Monday. Thunderstorm development is also possible in portions of the Middle Mississippi Valley to Lower Michigan Monday afternoon. Gusty winds and low humidity will lead to critical fire weather conditions Monday across western New Mexico into southeastern Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Partly Cloudy

70°F

21°C

Humidity 87%
Wind Speed SE 3 mph
Barometer 29.83 in (1009.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 21 May 2:53 am CDT
Extended Forecast for

Collinsville IL

  • Overnight

    Overnight: Mostly clear, with a low around 67. South wind around 6 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 91 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 2am. Low around 64. Breezy, with a south wind 16 to 21 mph becoming west 8 to 13 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 90%.

    Low: 64 °F

    T-storms and
    Breezy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 77. Northwest wind 6 to 8 mph.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 63. Northwest wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 60%.

    Low: 63 °F

    T-storms
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.

    High: 81 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 67. South wind around 6 mph.
Tuesday
Sunny, with a high near 91. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
Showers and thunderstorms, mainly before 2am. Low around 64. Breezy, with a south wind 16 to 21 mph becoming west 8 to 13 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 90%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 77. Northwest wind 6 to 8 mph.
Wednesday Night
Showers and thunderstorms likely, mainly between 7pm and 1am. Mostly cloudy, with a low around 63. Northwest wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Memorial Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Collinsville IL
 38.68°N 89.97°W (Elev. 502 ft)
Last Update:
2:53 am CDT May 21, 2024
Forecast Valid:
3am CDT May 21, 2024-6pm CDT May 27, 2024
 
Forecast Discussion
 
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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