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

Hazardous Weather Conditions

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed SW 6 mph
Barometer 29.85 in
Dewpoint N/A
Visibility 10.00 mi
Last update 27 Jul 11:55 pm CDT
Extended Forecast for

2 Miles NNE Saint Clair MO

Heat Advisory July 28, 12:17am until July 28, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 28, 12:17am until July 28, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Overnight

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. Heat index values as high as 105. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 70. Light northeast wind.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 78. Calm wind becoming west around 5 mph.
Tuesday
Mostly sunny, with a high near 95. Heat index values as high as 105. Light and variable wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 70. Light northeast wind.
Wednesday
Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 65. Light and variable wind.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Saint Clair MO
 38.37°N 90.98°W (Elev. 699 ft)
Last Update:
11:51 pm CDT Jul 27, 2026
Forecast Valid:
12am CDT Jul 28, 2026-6pm CDT Aug 3, 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