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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Washington Regional Airport (KFYG)

Lat: 38.59°NLon: 90.99°WElev: 489ft.

Fair

82°F

28°C

Humidity 58%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Heat Index84°F (29°C)
Last update 24 Aug 3:15 pm CDT
Extended Forecast for

Gray Summit MO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 82. Calm wind.

    High: 82 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Light east wind.

    Low: 65 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Light east wind.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 82. Calm wind.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Light east wind.
Tuesday
Mostly sunny, with a high near 85. Light east wind.
Tuesday Night
Partly cloudy, with a low around 67. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 72.
Monday
Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gray Summit MO
 38.5°N 90.8°W (Elev. 791 ft)
Last Update:
4:21 pm CDT Aug 24, 2026
Forecast Valid:
4pm CDT Aug 24, 2026-6pm CDT Aug 31, 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