Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed W 8 mph
Barometer 30.01 in
Dewpoint N/A
Visibility 10.00 mi
Last update 11 Aug 1:55 pm CDT
Extended Forecast for

4 Miles W Tiff MO

Heat Advisory August 11, 02:16pm until August 12, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 11, 02:16pm until August 12, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Light south wind.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 3 to 5 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Light and variable wind.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 97. Southwest wind 3 to 5 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 96. Heat index values as high as 104. Southwest wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 77. Light south wind.
Wednesday
Mostly sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 77. Light and variable wind.
Thursday
Mostly sunny and hot, with a high near 97. Southwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Mostly sunny and hot, with a high near 97.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
Partly cloudy, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Tiff MO
 38.04°N 90.82°W (Elev. 879 ft)
1:26 pm CDT Aug 11, 2026
2pm CDT Aug 11, 2026-6pm CDT Aug 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