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 S 3 mph
Barometer 30.05 in
Dewpoint N/A
Visibility 10.00 mi
Last update 20 Jun 3:55 am CDT
Extended Forecast for

11 Miles WNW Potosi MO

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

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 5pm. Mostly cloudy, with a high near 84. South wind 5 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 84 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before 1am. Low around 64. Southwest wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Low: 64 °F

    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    T-storms

  • Monday Night

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

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 85. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 67. Calm wind.
Sunday
Showers and thunderstorms likely, mainly before 5pm. Mostly cloudy, with a high near 84. South wind 5 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms, mainly before 1am. Low around 64. Southwest wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Potosi MO
 37.97°N 90.97°W (Elev. 1001 ft)
Last Update:
2:56 am CDT Jun 20, 2026
Forecast Valid:
3am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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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