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.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.93 in
Dewpoint 70°F (21°C)
Visibility 2.00 mi
Last update 17 Jun 8:15 am CDT
Extended Forecast for

4 Miles WNW Potosi MO

Dense Fog Advisory until June 17, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until June 17, 09:00am

    NOW until 9:00am Tue

    Dense Fog Advisory

  • Today

    High: 90 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Calm wind becoming southwest around 5 mph after midnight.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. Southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 86. Light northwest wind.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

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

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 90. Light and variable wind.
Tonight
Partly cloudy, with a low around 71. Calm wind becoming southwest around 5 mph after midnight.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. Southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Juneteenth
Sunny, with a high near 86. Light northwest wind.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 95.
Saturday Night
Clear, with a low around 74.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Potosi MO
 37.97°N 90.85°W (Elev. 850 ft)
Last Update:
4:52 am CDT Jun 17, 2025
Forecast Valid:
8am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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