Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Graham, Graham Municipal Airport (KRPH)

Lat: 33.11°NLon: 98.56°WElev: 1122ft.

Fair

89°F

32°C

Humidity 33%
Wind Speed SE 8 mph
Barometer 29.94 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Aug 11:35 pm CDT
Extended Forecast for

2 Miles NNE Jermyn TX

Extreme Heat Warning August 18, 11:55pm until August 19, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 18, 11:55pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 79 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 105. Southwest wind 5 to 10 mph.

    High: 105 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 105. West southwest wind 5 to 10 mph.

    High: 105 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South southeast wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 104. South wind around 5 mph.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South southeast wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 104. South southwest wind around 5 mph.

    High: 104 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 79. South southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 105. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 105. West southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 78. South southeast wind around 5 mph.
Friday
Sunny and hot, with a high near 104. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 77. South southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 104. South southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 78. South southeast wind around 5 mph.
Sunday
Sunny and hot, with a high near 104.
Sunday Night
Mostly clear, with a low around 79.
Monday
Sunny and hot, with a high near 104.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny and hot, with a high near 103.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Jermyn TX
 33.27°N 98.38°W (Elev. 1184 ft)
6:12 pm CDT Aug 18, 2026
11pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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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