Thunderstorms expected near the western Gulf Coast and parts of the Florida coast. West Coast states will continue to be warm and dry.

Numerous showers and thunderstorms are expected near the western Gulf Coast and southern/eastern Florida Coast through the weekend. Accumulations up to 4 and 5 inches are likely for these locations. Warm and dry conditions are expected for most of the West this weekend. Late-summer heat and humidity will persist across much of eastern half of the U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Partly Cloudy

78°F

26°C

Humidity 87%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 28 Aug 9:10 am CDT
Extended Forecast for

Grayson County Airport TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91. Light east wind becoming east southeast 5 to 10 mph in the afternoon.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 91 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm.  Mostly cloudy, with a low around 73. East southeast wind 5 to 10 mph.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 73 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 93. Heat index values as high as 97. Northeast wind 5 to 10 mph.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 93 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 73. East wind around 5 mph.

    Mostly Cloudy

    Low: 73 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 94. East northeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 94 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm  in the evening.

    Mostly Cloudy

    Low: 73 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92. Calm wind becoming east northeast around 5 mph in the afternoon.

    Slight Chance
    T-storms

    High: 92 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 73. East northeast wind around 5 mph becoming calm  in the evening.

    Mostly Cloudy

    Low: 73 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92. Calm wind becoming east northeast around 5 mph in the afternoon.

    Chance
    T-storms

    High: 92 °F

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Light east wind becoming east southeast 5 to 10 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 73. East southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Heat index values as high as 97. Northeast wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 73. East wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. East northeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 73. East northeast wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 93.
Click Map For Forecast
Point Forecast:
Grayson County Airport TX
 33.73°N 96.68°W (Elev. 715 ft)
3:38 am CDT Aug 28, 2016
9am CDT Aug 28, 2016-6pm CDT Sep 3, 2016
 
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Additional Resources

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