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.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 29.93 in
Dewpoint N/A
Visibility 10.00 mi
Last update 21 Jun 2:15 am CDT
Extended Forecast for

5 Miles NW Potosi MO

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

  • Overnight

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

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 87. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before 11pm. Low around 63. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    Low: 63 °F

    T-storms then
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, with a high near 77. Calm wind becoming northwest around 5 mph in the morning.

    High: 77 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. Light north wind.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. Calm wind.
Sunday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 87. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms, mainly before 11pm. Low around 63. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Monday
A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, with a high near 77. Calm wind becoming northwest around 5 mph in the morning.
Monday Night
Mostly cloudy, with a low around 58. Light north wind.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Potosi MO
 37.99°N 90.85°W (Elev. 843 ft)
Last Update:
1:26 am CDT Jun 21, 2026
Forecast Valid:
2am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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