Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

82°F

28°C

Humidity	58%
Wind Speed	W 3 mph
Barometer	30.04 in
Dewpoint	66°F (19°C)
Visibility	9.00 mi
Heat Index	84°F (29°C)
Last update	18 Sep 9:50 am CDT

More Information:

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

Extended Forecast for

Whitesboro TX

Today
High: 92 °F
Sunny then
Slight Chance
T-storms
Tonight
Low: 68 °F
Slight Chance
T-storms then
Chance
Showers
Friday
High: 89 °F
Chance
T-storms
Friday Night
Low: 68 °F
Partly Cloudy
Saturday
High: 90 °F
Mostly Sunny
Saturday Night
Low: 70 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 88 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 70 °F
Chance
Showers then
Chance
T-storms
Monday
High: 87 °F
Chance
T-storms

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming southwest around 5 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. Calm wind.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. Calm wind becoming east northeast around 5 mph.

Friday Night

Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.

Saturday

Mostly sunny, with a high near 90. South wind around 5 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South southeast wind around 5 mph.

Sunday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 5 to 10 mph.

Sunday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 5 mph.

Monday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. South wind around 10 mph.