Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms With Heavy Rain from Great Lakes to Mid-Atlantic; Excessive Heat For Central/Southern U.S. to Mid-Atlantic

Severe thunderstorms are possible today into Sunday across the upper Great Lakes region to the northern Mid-Atlantic. Damaging winds, large hail, and flooding will be the primary threats with these storms. Meanwhile, dangerous heat will continue through Sunday across the central and southern U.S. into the Mid-Atlantic. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

98°F

37°C

Humidity 43%
Wind Speed S 13 G 21 mph
Barometer 29.81 in (1008.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 22 Jul 1:53 pm CDT
Extended Forecast for

3 Miles SE Centreville IL

Excessive Heat Warning until July 23, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 23, 08:00pm

    NOW until
    8:00pm Sun

    Excessive Heat Warning

  • This
    Afternoon

    This Afternoon: Sunny and hot, with a high near 102. Heat index values as high as 113. Southwest wind around 11 mph.

    Hot

    High: 102 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 10pm.  Partly cloudy, with a low around 78. Southwest wind 6 to 9 mph.

    Chance
    T-storms

    Low: 78 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny and hot, with a high near 97. Heat index values as high as 104. West wind 3 to 6 mph.

    Slight Chance
    T-storms

    High: 97 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 72 °F

  • Monday

    Monday: Mostly sunny, with a high near 91. North wind 3 to 5 mph.

    Mostly Sunny

    High: 91 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 69.

    Mostly Clear

    Low: 69 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 90.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 90 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Partly Cloudy

    Low: 72 °F

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. Heat index values as high as 113. Southwest wind around 11 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 10pm. Partly cloudy, with a low around 78. Southwest wind 6 to 9 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny and hot, with a high near 97. Heat index values as high as 104. West wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 91. North wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 69.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
3 Miles SE Centreville IL
 38.55°N 90.06°W (Elev. 568 ft)
12:57 pm CDT Jul 22, 2017
2pm CDT Jul 22, 2017-6pm CDT Jul 28, 2017
 
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