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.

Partly Cloudy

N/A

Humidity NA
Wind Speed Calm
Barometer 29.98 in
Dewpoint N/A
Visibility 10.00 mi
Last update 20 Jun 4:55 pm CDT
Extended Forecast for

8 Miles W Potosi MO

Flood Watch June 21, 07:00am until June 22, 07:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 70%.

    High: 85 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before 1am. Low around 66. Southwest wind 5 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 66 °F

    T-storms then
    T-storms
    Likely

  • Monday

    Monday: Isolated showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. Light and variable wind becoming northwest around 5 mph in the morning. Chance of precipitation is 20%.

    High: 77 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Light northeast wind.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. Calm wind.
Sunday
Showers and thunderstorms likely, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms, mainly before 1am. Low around 66. Southwest wind 5 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Monday
Isolated showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. Light and variable wind becoming northwest around 5 mph in the morning. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 59. Light northeast wind.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Potosi MO
 37.95°N 90.94°W (Elev. 997 ft)
Last Update:
2:51 pm CDT Jun 20, 2026
Forecast Valid:
4pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation