Showers and Storms in the East; Dangerously Hot and Dry in the West

A front will bring scattered showers and storms to portions of the Central and Eastern US. Severe storms are expected in parts of the Great Plains and Ozarks today. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

84°F

29°C

Humidity	62%
Wind Speed	SW 9 mph
Barometer	30.08 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	6 Aug 8:50 am CDT

More Information:

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

Extended Forecast for

Denison TX

Today
High: 101 °F
Hot
Tonight
Low: 79 °F
Mostly Clear
Friday
High: 100 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 78 °F
Slight Chance
T-storms then
Slight Chance
Showers
Saturday
High: 98 °F
Sunny
Saturday Night
Low: 78 °F
Clear
Sunday
High: 99 °F
Hot
Sunday Night
Low: 78 °F
Clear
Monday
High: 98 °F
Sunny

Detailed Forecast

Today

Sunny and hot, with a high near 101. Heat index values as high as 104. South wind around 10 mph.

Tonight

Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.

Friday

A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds and hot, with a high near 100. Heat index values as high as 103. South southwest wind 5 to 10 mph.

Friday Night

A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly clear, with a low around 78. South southeast wind around 5 mph. Chance of precipitation is 20%.

Saturday

Sunny, with a high near 98. South wind around 5 mph.

Saturday Night

Clear, with a low around 78. South southeast wind around 5 mph.

Sunday

Sunny and hot, with a high near 99. South wind 5 to 10 mph.

Sunday Night

Clear, with a low around 78. South southeast wind around 10 mph.

Monday

Sunny, with a high near 98. South wind around 10 mph.

Monday Night

Clear, with a low around 78.