Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

78°F

26°C

Humidity 61%
Wind Speed S 3 mph
Barometer 30.08 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 8 Sep 11:15 pm CDT
Extended Forecast for

Schram City IL

  • Tonight

    Tonight: Clear, with a low around 71. South wind 5 to 7 mph.

    Low: 71 °F

    Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm.  Partly sunny, then gradually becoming sunny, with a high near 93. South wind 6 to 9 mph becoming west in the afternoon.  Chance of precipitation is 30%.

    High: 93 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Increasing clouds, with a low around 67. Southwest wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 70%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm.  Mostly cloudy, with a high near 81. Calm wind becoming west around 5 mph in the morning.  Chance of precipitation is 70%.

    High: 81 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 90.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 71. South wind 5 to 7 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, then gradually becoming sunny, with a high near 93. South wind 6 to 9 mph becoming west in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 67. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 81. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 59. Calm wind.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 63.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 88.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Schram City IL
 39.15°N 89.47°W (Elev. 627 ft)
6:16 pm CDT Sep 8, 2026
11pm CDT Sep 8, 2026-6pm CDT Sep 15, 2026
 
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Additional Resources

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