Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed S 3 mph
Barometer 30.24 in
Dewpoint N/A
Visibility 10.00 mi
Last update 16 Sep 5:35 pm CDT
Extended Forecast for

Richwoods MO

Heat Advisory September 16, 05:44pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 16, 05:44pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 88 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 73. Light and variable wind.  Chance of precipitation is 40%.

    Low: 73 °F

    Scattered
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 96. Heat index values as high as 105. Light and variable wind.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Calm wind.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly sunny, with a steady temperature around 88. Calm wind. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 40%.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Heat index values as high as 105. Light and variable wind.
Thursday Night
Mostly clear, with a low around 72. Calm wind.
Friday
Sunny, with a high near 94. Calm wind.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 95.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 92.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 66.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Richwoods MO
 38.15°N 90.82°W (Elev. 807 ft)
2:36 pm CDT Sep 16, 2026
5pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
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Additional Resources

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