Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Flood Watch until July 13, 07:00 PM CDT

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

82°F

28°C

Humidity	70%
Wind Speed	S 9 mph
Barometer	30.05 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	13 Jul 1:50 pm CDT

More Information:

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

Extended Forecast for

Sherman TXSimilar City Names

Flood Watch July 13, 02:31pm until July 13, 07:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch July 13, 02:31pm until July 13, 07:00pm
NOW until 7:00pm Sun
Flood Watch
This Afternoon
High: 84 °F
Chance
T-storms
Tonight
Low: 71 °F
Chance
T-storms
Monday
High: 86 °F
Chance
T-storms
Monday Night
Low: 72 °F
Slight Chance
T-storms
Tuesday
High: 91 °F
Chance
T-storms
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 75 °F
Mostly Clear

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a steady temperature around 84. South southwest wind around 5 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

Monday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

Monday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 74. South wind 5 to 10 mph.

Wednesday

Sunny, with a high near 93. South wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 75. South wind 5 to 10 mph.