Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Excessive Heat in parts of the Central and Southern U.S.

Heat Advisories and Excessive Heat Warnings extend from the Southern Plains into the Mid-Atlantic and Southeast today. High temperatures for these areas will mostly be in the upper 90s. A few locations may exceed 100. Hot temperatures combined with high dew points will create heat index values of 100 to 115 degrees. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

92°F

33°C

Humidity 55%
Wind Speed SW 7 mph
Barometer 29.92 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 23 Jul 11:35 am CDT
Extended Forecast for

3 Miles ESE Gordonville TX

Heat Advisory until July 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 23, 07:00pm

    NOW until
    7:00pm Sun

    Heat Advisory

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny and hot, with a high near 99. Heat index values as high as 104. South southeast wind 5 to 10 mph.

    Chance
    T-storms

    High: 99 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

    Chance
    T-storms

    Low: 76 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 95. Heat index values as high as 103. South southeast wind around 5 mph.

    Chance
    T-storms

    High: 95 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 76 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 98. South wind 5 to 10 mph.

    Mostly Sunny

    High: 98 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 78. South wind around 10 mph.

    Mostly Clear

    Low: 78 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 98. South wind 5 to 10 mph.

    Mostly Sunny

    High: 98 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 79. South wind around 10 mph.

    Mostly Clear

    Low: 79 °F

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 104. South southeast wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 95. Heat index values as high as 103. South southeast wind around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 98. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 78. South wind around 10 mph.
Wednesday
Mostly sunny, with a high near 98. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind around 10 mph.
Thursday
Sunny and hot, with a high near 100. South southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 78.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 96.
Click Map For Forecast
Point Forecast:
3 Miles ESE Gordonville TX
 33.82°N 96.82°W (Elev. 650 ft)
10:37 am CDT Jul 23, 2017
11am CDT Jul 23, 2017-6pm CDT Jul 29, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database