Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Partly Cloudy

88°F

31°C

Humidity 59%
Wind Speed NE 12 mph
Barometer 30.10 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 2 Aug 4:50 pm CDT
Extended Forecast for

Sherman TXSimilar City Names

  • Tonight

    Tonight: Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the morning.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 69. East wind around 5 mph becoming calm  after midnight.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm.  Mostly sunny, with a high near 87. East southeast wind around 5 mph.  Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. East wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the morning.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South southeast wind around 5 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. East wind around 5 mph becoming calm after midnight.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 87. East southeast wind around 5 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 68. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 92. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. South southeast wind around 5 mph.
Thursday
Sunny, with a high near 97.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 98.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Sherman TXSimilar City Names
 33.62°N 96.6°W (Elev. 699 ft)
12:24 pm CDT Aug 2, 2025
5pm CDT Aug 2, 2025-6pm CDT Aug 9, 2025
 
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Additional Resources

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