Heat Wave Continues; Areas of Severe Thunderstorms and Heavy Rain through the Weekend

The prolonged and intense heat wave continues today for portions of the Ohio Valley and Mid-Atlantic, with relief expected by this weekend. There will be daily chances for severe thunderstorms and heavy rainfall in the northern Plains and Upper Midwest today through Sunday. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

73°F

23°C

Humidity 89%
Wind Speed S 7 mph
Barometer 30.04 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 27 Jun 6:50 am CDT
Extended Forecast for

2 Miles W Southmayd TX

  • Today

    Today: A slight chance of showers, with thunderstorms also possible after 10am.  Partly sunny, with a high near 91. Heat index values as high as 100. South wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 94. Heat index values as high as 101. South wind around 10 mph.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. South wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 95. South southwest wind around 5 mph.

    High: 95 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 93. South southeast wind around 5 mph becoming west southwest in the morning.

    High: 93 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 91. Heat index values as high as 100. South wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 94. Heat index values as high as 101. South wind around 10 mph.
Saturday Night
Mostly clear, with a low around 75. South southeast wind around 5 mph.
Sunday
Sunny, with a high near 94. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 76. South wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. South southwest wind around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. South wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 93. South southeast wind around 5 mph becoming west southwest in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
Mostly sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Southmayd TX
 33.62°N 96.76°W (Elev. 735 ft)
5:06 am CDT Jun 27, 2025
7am CDT Jun 27, 2025-6pm CDT Jul 3, 2025
 
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Additional Resources

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