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

Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain from Tropical Storm Moke will begin to impact the Big Island today, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Repeated storms and heavy rainfall may cause flash flooding from the Plains into the Lower MS Valley. Dangerous heat persists across the South. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

104°F

40°C

Humidity 27%
Wind Speed SW 5 mph
Barometer 29.89 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 23 Aug 6:10 pm CDT
Extended Forecast for

8 Miles SW De Kalb TX

Heat Advisory August 23, 06:33pm until August 24, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 23, 06:33pm until August 24, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 105. Heat index values as high as 113. Southeast wind 5 to 10 mph becoming southwest in the morning.

    High: 105 °F

    Hot

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. Heat index values as high as 111. Southwest wind 5 to 10 mph.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 77. East wind around 5 mph.
Monday
Mostly sunny and hot, with a high near 105. Heat index values as high as 113. Southeast wind 5 to 10 mph becoming southwest in the morning.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 104. Heat index values as high as 111. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 77. South wind around 5 mph.
Wednesday
Mostly sunny and hot, with a high near 101.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny and hot, with a high near 99.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW De Kalb TX
 33.42°N 94.7°W (Elev. 341 ft)
Last Update:
6:20 pm CDT Aug 23, 2026
Forecast Valid:
6pm CDT Aug 23, 2026-6pm CDT Aug 30, 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