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

90°F

32°C

Humidity	63%
Wind Speed	SW 10 mph
Barometer	30.06 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	101°F (38°C)
Last update	4 Jul 10:50 am CDT

More Information:

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

Extended Forecast for

Sherman TX

Independence Day
High: 96 °F
Slight Chance
T-storms
Tonight
Low: 78 °F
Slight Chance
T-storms
Sunday
High: 98 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 75 °F
Slight Chance
T-storms
Monday
High: 94 °F
Slight Chance
T-storms then
Sunny
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 95 °F
Mostly Sunny
Tuesday Night
Low: 76 °F
Mostly Clear
Wednesday
High: 96 °F
Sunny

Detailed Forecast

Independence Day

A 10 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 96. Heat index values as high as 104. Southwest wind around 5 mph becoming southeast in the afternoon.

Tonight

A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. South southeast wind around 5 mph.

Sunday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Heat index values as high as 104. East northeast wind around 5 mph becoming west in the afternoon.

Sunday Night

A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Monday

A 10 percent chance of showers and thunderstorms before 7am. Sunny, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 74. East northeast wind around 5 mph becoming calm in the evening.

Tuesday

Mostly sunny, with a high near 95. Calm wind becoming east southeast around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 76. East wind around 5 mph becoming south after midnight.

Wednesday

Sunny, with a high near 96. South southwest wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 77.