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

Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

74°F

23°C

Humidity 74%
Wind Speed E 6 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 15 Aug 2:54 am CDT
Extended Forecast for

Creve Coeur IL

  • Overnight

    Overnight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming south around 6 mph in the morning.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Calm wind becoming south around 6 mph after midnight.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 96. Heat index values as high as 106. South southwest wind around 7 mph.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Light south wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Light south wind.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming south around 6 mph in the morning.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Calm wind becoming south around 6 mph after midnight.
Saturday
Mostly sunny and hot, with a high near 96. Heat index values as high as 106. South southwest wind around 7 mph.
Saturday Night
Mostly clear, with a low around 74. Light south wind.
Sunday
Sunny and hot, with a high near 96. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 75. Light south wind.
Monday
Sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
Partly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Creve Coeur IL
 40.65°N 89.59°W (Elev. 666 ft)
Last Update:
3:41 am CDT Aug 15, 2025
Forecast Valid:
3am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
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