Severe Thunderstorms in the Southeast U.S. Saturday; Flash Flooding Threat for the Northern Gulf Coast

Isolated to scattered severe thunderstorms appear possible across portions of the Southeast and Carolinas on Saturday where a Slight Risk (Level 2 of 5) has been issued. A Slight Risk Excessive Rainfall Outlook (Level 2 of 4) has been issued for part of the northern Gulf Coast Saturday due to the threat of flash, urban, and riverine flooding. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

65°F

18°C

Humidity	89%
Wind Speed	S 5 mph
Barometer	29.84 in
Dewpoint	62°F (17°C)
Visibility	7.00 mi
Last update	18 May 6:15 am CDT

More Information:

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

Extended Forecast for

Denison TX

Today
High: 89 °F
Sunny
Tonight
Low: 67 °F
Clear
Sunday
High: 90 °F
Sunny
Sunday Night
Low: 72 °F
Mostly Clear
Monday
High: 90 °F
Sunny
Monday Night
Low: 73 °F
Partly Cloudy
Tuesday
High: 89 °F
Partly Sunny
Tuesday Night
Low: 72 °F
Slight Chance
T-storms
Wednesday
High: 85 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 89. Calm wind.

Tonight

Clear, with a low around 67. Calm wind becoming southeast around 5 mph.

Sunday

Sunny, with a high near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 72. South southeast wind around 10 mph, with gusts as high as 20 mph.

Monday

Sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph.

Monday Night

Partly cloudy, with a low around 73. South wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday

Partly sunny, with a high near 89. South wind around 15 mph, with gusts as high as 25 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.

Wednesday

A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Southwest wind around 10 mph, with gusts as high as 20 mph.

Wednesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Thursday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

Friday

Mostly sunny, with a high near 89.