Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Overcast

71°F

22°C

Humidity	93%
Wind Speed	E 6 mph
Barometer	30.03 in
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	29 Aug 10:35 pm CDT

More Information:

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

Extended Forecast for

4 Miles ENE Knollwood TX

Tonight
Low: 69 °F
Mostly Cloudy
then Slight
Chance
Showers
Saturday
High: 83 °F
Chance
Showers
Saturday Night
Low: 70 °F
Chance
T-storms
Sunday
High: 82 °F
Chance
T-storms
Sunday Night
Low: 68 °F
Chance
Showers
Labor Day
High: 84 °F
Slight Chance
Showers
Monday Night
Low: 68 °F
Mostly Clear
Tuesday
High: 84 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear

Detailed Forecast

Tonight

A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm.

Saturday

A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 83. East wind around 5 mph. Chance of precipitation is 30%.

Saturday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 70. East wind around 5 mph becoming calm in the evening.

Sunday

A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 82. East southeast wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm. Chance of precipitation is 30%.

Labor Day

A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 68. Calm wind.

Tuesday

Sunny, with a high near 84. North northwest wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 84.