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

82°F

28°C

Humidity 50%
Wind Speed S 5 mph
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Aug 8:15 am CDT
Extended Forecast for

4 Miles WSW Olney TX

Extreme Heat Warning August 19, 08:22am until August 19, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 19, 08:22am until August 19, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Today

    High: 105 °F

    Hot

  • Tonight

    Tonight: 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 104. Southwest wind 5 to 10 mph.

    High: 104 °F

    Hot

  • Thursday Night

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

    Low: 78 °F

    Mostly Clear

  • Friday

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

    High: 104 °F

    Hot

  • Friday Night

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

    Low: 78 °F

    Mostly Clear

  • Saturday

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

    High: 104 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. South southeast wind around 5 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 105. South wind around 10 mph.
Tonight
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 104. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 78. Southeast wind around 5 mph.
Friday
Sunny and hot, with a high near 104. South southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 78. South southeast wind around 5 mph.
Saturday
Sunny and hot, with a high near 104. West southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 79. South southeast wind around 5 mph.
Sunday
Sunny and hot, with a high near 106. South southwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 80.
Monday
Sunny and hot, with a high near 106.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Sunny and hot, with a high near 105.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Olney TX
 33.36°N 98.81°W (Elev. 1280 ft)
6:12 am CDT Aug 19, 2026
8am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database