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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Mostly Cloudy

80°F

27°C

Humidity 62%
Wind Speed N 12 mph
Barometer 29.87 in (1010.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 2 Aug 4:53 pm CDT
Extended Forecast for

Hecker IL

  • Tonight

    Tonight: Mostly clear, with a low around 64. North wind 5 to 10 mph becoming light in the evening.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Light north wind.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 64. North wind 5 to 10 mph becoming light in the evening.
Monday
Sunny, with a high near 84. Light north wind.
Monday Night
Clear, with a low around 64. Calm wind.
Tuesday
Sunny, with a high near 86. Calm wind.
Tuesday Night
Mostly clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hecker IL
 38.32°N 89.99°W (Elev. 449 ft)
Last Update:
1:26 pm CDT Aug 2, 2026
Forecast Valid:
5pm CDT Aug 2, 2026-6pm CDT Aug 9, 2026
 
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