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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Overcast with Haze

N/A

Humidity NA
Wind Speed Calm
Barometer 29.98 in
Dewpoint N/A
Visibility 5.00 mi
Last update 27 May 3:15 am CDT
Extended Forecast for

8 Miles W Potosi MO

  • Overnight

    Overnight: A 30 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 4pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy
    then Areas
    Fog

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.

    High: 81 °F

    Areas Fog
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. Light east wind.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 63. Calm wind.
Wednesday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 4pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind. Chance of precipitation is 20%.
Wednesday Night
Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. Light east wind.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 61.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 78.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Potosi MO
 37.9°N 90.91°W (Elev. 997 ft)
Last Update:
2:46 am CDT May 27, 2026
Forecast Valid:
3am CDT May 27, 2026-6pm CDT Jun 2, 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