Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

81°F

27°C

Humidity	75%
Wind Speed	E 6 mph
Barometer	30.02 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	4 Jul 11:35 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Whitesboro TX

Tonight
Low: 75 °F
Mostly Cloudy
Sunday
High: 94 °F
Chance
T-storms
Sunday Night
Low: 73 °F
Mostly Cloudy
Monday
High: 93 °F
Sunny
Monday Night
Low: 73 °F
Mostly Clear
Tuesday
High: 93 °F
Sunny
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny
Wednesday Night
Low: 79 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly cloudy, with a low around 75. Southeast wind around 5 mph.

Sunday

A 50 percent chance of showers and thunderstorms, mainly after 10am. Partly sunny, with a high near 94. Heat index values as high as 99. South southeast wind around 5 mph becoming north northeast in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm.

Monday

Sunny, with a high near 93. Heat index values as high as 98. East northeast wind around 5 mph becoming southeast in the morning.

Monday Night

Mostly clear, with a low around 73. East wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 74. East southeast wind around 5 mph becoming south after midnight.

Wednesday

Sunny, with a high near 97. South wind around 5 mph.