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

Extreme Heat Warning in effect from August 23, 12:00 PM CDT until August 24, 09:00 PM CDT

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

93°F

34°C

Humidity	44%
Wind Speed	SE 13 mph
Barometer	30.02 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	23 Aug 10:50 am CDT

More Information:

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

Extended Forecast for

2 Miles SE Knollwood TX

Extreme Heat Warning August 23, 12:00pm until August 24, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Today
High: 104 °F
Hot
Tonight
Low: 82 °F
Mostly Clear
Monday
High: 106 °F
Hot
Monday Night
Low: 82 °F
Mostly Clear
Tuesday
High: 105 °F
Hot
Tuesday Night
Low: 80 °F
Partly Cloudy
Wednesday
High: 98 °F
Slight Chance
Showers then
Slight Chance
T-storms
Wednesday Night
Low: 77 °F
Partly Cloudy
Thursday
High: 100 °F
Hot

Detailed Forecast

Today

Sunny and hot, with a high near 104. South wind around 10 mph.

Tonight

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

Monday

Mostly sunny and hot, with a high near 106. South southwest wind around 10 mph, with gusts as high as 20 mph.

Monday Night

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

Tuesday

Sunny and hot, with a high near 105. Southwest wind around 10 mph, with gusts as high as 20 mph.

Tuesday Night

Partly cloudy, with a low around 80. South wind around 5 mph.

Wednesday

A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 98. West wind around 5 mph. Chance of precipitation is 20%.

Wednesday Night

Partly cloudy, with a low around 77. Northeast wind around 5 mph becoming calm.

Thursday

Sunny and hot, with a high near 100. Calm wind becoming north northeast around 5 mph in the morning.

Thursday Night

Partly cloudy, with a low around 76.

Friday

Sunny and hot, with a high near 100.

Friday Night

Mostly clear, with a low around 77.

Saturday

Sunny and hot, with a high near 100.