National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

SULLIVAN (KUUV)

Lat: 38.23°NLon: 91.16°WElev: 933ft.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 30.10 in
Dewpoint N/A
Visibility 10.00 mi
Last update 22 Aug 11:55 pm CDT
Extended Forecast for

4 Miles ESE Leasburg MO

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 63. Light north wind.

    Low: 63 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then becoming partly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Sunny through mid morning, then becoming mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph.

    High: 81 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 63. Light north wind.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Cloudy during the early evening, then becoming partly cloudy, with a low around 62. Light and variable wind.
Monday
Sunny through mid morning, then becoming mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph.
Monday Night
Partly cloudy, with a low around 65. Calm wind.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Leasburg MO
 38.07°N 91.22°W (Elev. 738 ft)
Last Update:
11:16 pm CDT Aug 22, 2026
Forecast Valid:
12am CDT Aug 23, 2026-6pm CDT Aug 29, 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