Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

78°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 30.00 in (1015.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Sep 2:53 pm CDT
Extended Forecast for

2 Miles E Fairview Heights IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 79. Light north wind.

    High: 79 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 68. North wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A 30 percent chance of showers, mainly between noon and 4pm.  Patchy fog before 9am.  Otherwise, increasing clouds, with a high near 83. Calm wind becoming southeast around 5 mph in the morning.

    High: 83 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Light and variable wind becoming west around 6 mph in the morning.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 90. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Light north wind.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers, mainly between noon and 4pm. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 83. Calm wind becoming southeast around 5 mph in the morning.
Friday Night
Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 90. Light and variable wind becoming west around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 69.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 88.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Fairview Heights IL
 38.59°N 89.98°W (Elev. 561 ft)
2:25 pm CDT Sep 10, 2026
3pm CDT Sep 10, 2026-6pm CDT Sep 17, 2026
 
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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