Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 30.06 in
Dewpoint N/A
Visibility 10.00 mi
Last update 18 Sep 8:55 pm CDT
Extended Forecast for

Fletcher MO

Heat Advisory September 18, 08:59pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 08:59pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 99. Heat index values as high as 103. West wind 3 to 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Light southwest wind.

    Low: 71 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Light west wind.

    High: 95 °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. Calm wind.  Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 58. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. Light and variable wind becoming south around 5 mph.
Saturday
Mostly sunny and hot, with a high near 99. Heat index values as high as 103. West wind 3 to 5 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Light southwest wind.
Sunday
Mostly sunny, with a high near 95. Light west wind.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Fletcher MO
 38.17°N 90.7°W (Elev. 594 ft)
8:06 pm CDT Sep 18, 2026
8pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database