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

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 >

Hazardous Weather Conditions

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 30.21 in
Dewpoint N/A
Visibility 10.00 mi
Last update 17 Sep 10:15 pm CDT
Extended Forecast for

Gerald MO

Heat Advisory September 17, 10:19pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 10:19pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 72 °F

    Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 95. Heat index values as high as 104. Light and variable wind.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then clearing, with a low around 71. Light and variable wind becoming south around 6 mph in the evening.

    Low: 71 °F

    Clearing

  • Saturday

    Saturday: Increasing clouds, with a high near 95. Southwest wind 5 to 8 mph.

    High: 95 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 72. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 95. Heat index values as high as 104. Light and variable wind.
Friday Night
Mostly cloudy during the early evening, then clearing, with a low around 71. Light and variable wind becoming south around 6 mph in the evening.
Saturday
Increasing clouds, with a high near 95. Southwest wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 71. Light and variable wind.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 92.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gerald MO
 38.4°N 91.32°W (Elev. 896 ft)
Last Update:
9:46 pm CDT Sep 17, 2026
Forecast Valid:
10pm CDT Sep 17, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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