Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Heat Advisory until August 22, 08:00 PM CDT

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

88°F

31°C

Humidity	49%
Wind Speed	N 6 mph
Barometer	30.08 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	22 Aug 11:50 am CDT

More Information:

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

Extended Forecast for

5 Miles NW Gordonville TX

Heat Advisory August 22, 12:40pm until August 22, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 22, 12:40pm until August 22, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
This Afternoon
High: 101 °F
Slight Chance
T-storms
Tonight
Low: 77 °F
Slight Chance
T-storms
Sunday
High: 108 °F
Hot
Sunday Night
Low: 82 °F
Mostly Clear
Monday
High: 110 °F
Hot
Monday Night
Low: 82 °F
Mostly Clear
Tuesday
High: 108 °F
Hot
Tuesday Night
Low: 79 °F
Partly Cloudy

Detailed Forecast

This Afternoon

A 10 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 101. Heat index values as high as 104. South southwest wind around 5 mph becoming southeast.

Tonight

A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming east in the evening. Chance of precipitation is 20%.

Sunday

Mostly sunny and hot, with a high near 108. Heat index values as high as 111. Southeast wind around 5 mph becoming south southwest in the afternoon.

Sunday Night

Mostly clear, with a low around 82. South southeast wind 5 to 10 mph.

Monday

Mostly sunny and hot, with a high near 110. Southwest wind around 10 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 82. South southwest wind 5 to 10 mph.

Tuesday

Sunny and hot, with a high near 108. Southwest wind around 10 mph.

Tuesday Night

Partly cloudy, with a low around 79. Southeast wind around 5 mph.