Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed SW 5 mph
Barometer 30.19 in
Dewpoint N/A
Visibility 10.00 mi
Last update 18 Sep 5:15 am CDT
Extended Forecast for

7 Miles NNW Bourbon MO

Heat Advisory September 18, 05:21am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 05:21am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 70. South wind 3 to 6 mph.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 94. West wind 6 to 8 mph.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Calm wind becoming southwest around 5 mph after midnight.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. West wind 3 to 5 mph.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 94. Heat index values as high as 103. Light and variable wind. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. South wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 94. West wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 71. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 91. West wind 3 to 5 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Bourbon MO
 38.25°N 91.32°W (Elev. 787 ft)
4:46 am CDT Sep 18, 2026
5am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
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Additional Resources

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