Showers and Storms in the East; Dangerously Hot and Dry in the West

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 30.03 in
Dewpoint N/A
Visibility 10.00 mi
Last update 5 Aug 6:55 pm CDT
Extended Forecast for

4 Miles WNW Potosi MO

Flood Watch August 5, 10:00pm until August 6, 10:00am
Click here for hazard details and duration
Flood Watch
  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 3am.  Mostly cloudy, with a low around 70. Light and variable wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 2pm.  Mostly cloudy, with a high near 87. Light and variable wind.  Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 11pm.  Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87. Calm wind becoming southwest around 5 mph.

    High: 87 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 70. Light and variable wind.
Thursday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 87. Light and variable wind. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 71. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Calm wind becoming southwest around 5 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 69. Calm wind.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Potosi MO
 37.97°N 90.85°W (Elev. 850 ft)
4:01 pm CDT Aug 5, 2026
7pm CDT Aug 5, 2026-6pm CDT Aug 12, 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