Ophelia Impacting the East; Heavy Rainfall and Severe Threats for the Center of the Nation

Heavy rain, gusty winds, storm surge, high surf and rip currents that could be life threatening, will affect the Mid-Atlantic through this weekend. For the center of the nation, a cold front will focus showers and thunderstorms, some severe with excessive rainfall and flash flooding, through the weekend. Meanwhile, much cooler temperatures and a wet weather pattern enters the Pacific Northwest. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

89°F

32°C

Humidity 56%
Wind Speed S 12 G 18 mph
Barometer 29.79 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 23 Sep 8:35 pm CDT
Extended Forecast for

Grayson County Airport TX

Heat Advisory until September 24, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 24, 07:00pm

    NOW until
    7:00pm Sun

    Heat Advisory

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Slight Chance
    T-storms

    Low: 77 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Some of the storms could be severe.  Partly sunny, with a high near 94. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Partly Sunny
    then Severe
    Thunderstorms

    High: 94 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely. Some of the storms could be severe.  Cloudy, with a low around 69. East wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Severe
    Thunderstorms

    Low: 69 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 87. Northeast wind 5 to 10 mph.

    Chance
    T-storms

    High: 87 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 65. Northeast wind 5 to 10 mph.

    Mostly Clear

    Low: 65 °F

  • Tuesday

    Tuesday: Sunny, with a high near 89. East northeast wind 5 to 10 mph.

    Sunny

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 64. Southeast wind 5 to 10 mph.

    Mostly Clear

    Low: 64 °F

  • Wednesday

    Wednesday: Sunny, with a high near 89. East southeast wind around 5 mph.

    Sunny

    High: 89 °F

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Some of the storms could be severe. Partly sunny, with a high near 94. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Showers and thunderstorms likely. Some of the storms could be severe. Cloudy, with a low around 69. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 65. Northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 89. East northeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 64. Southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 89. East southeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 65. Southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
Grayson County Airport TX
 33.71°N 96.66°W (Elev. 797 ft)
6:34 pm CDT Sep 23, 2023
8pm CDT Sep 23, 2023-6pm CDT Sep 30, 2023
 
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Additional Resources

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