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.

Light Rain

N/A

Humidity NA
Wind Speed W 8 mph
Barometer 29.75 in
Dewpoint N/A
Visibility 2.00 mi
Last update 1 Aug 10:15 am CDT
Extended Forecast for

8 Miles W Potosi MO

  • Today

    Today: A chance of drizzle, mainly between 3pm and 4pm, then scattered showers and thunderstorms after 4pm.  Cloudy, with a high near 70. West wind 7 to 9 mph, with gusts as high as 29 mph.  Chance of precipitation is 40%.

    High: 70 °F

    Cloudy then
    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms.  Patchy fog between 1am and 2am.  Otherwise, cloudy, with a low around 64. Northwest wind 7 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 40%.

    Low: 64 °F

    Scattered
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 77. North wind around 8 mph, with gusts as high as 22 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. North wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82. Light north wind.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °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 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
A chance of drizzle, mainly between 3pm and 4pm, then scattered showers and thunderstorms after 4pm. Cloudy, with a high near 70. West wind 7 to 9 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms. Patchy fog between 1am and 2am. Otherwise, cloudy, with a low around 64. Northwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 77. North wind around 8 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. Light north wind.
Monday Night
Clear, with a low around 63.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 89.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Potosi MO
 37.95°N 90.94°W (Elev. 997 ft)
9:06 am CDT Aug 1, 2026
10am CDT Aug 1, 2026-6pm CDT Aug 7, 2026
 
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Additional Resources

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