Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Overcast

N/A

Humidity NA
Wind Speed N 8 mph
Barometer 29.83 in
Dewpoint N/A
Visibility 10.00 mi
Last update 2 Aug 1:35 am CDT
Extended Forecast for

11 Miles W Potosi MO

  • Overnight

    Overnight: A chance of showers before 2am, then a chance of drizzle, mainly between 2am and 3am.  Cloudy, with a low around 64. North wind around 6 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 80. North wind around 7 mph, with gusts as high as 20 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Light north wind.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62. Calm wind.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers before 2am, then a chance of drizzle, mainly between 2am and 3am. Cloudy, with a low around 64. North wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 80. North wind around 7 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 62. Light north wind.
Monday
Sunny, with a high near 84. Calm wind.
Monday Night
Clear, with a low around 62. Calm wind.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 90.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Potosi MO
 37.93°N 91°W (Elev. 1033 ft)
1:26 am CDT Aug 2, 2026
1am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
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