Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until August 25, 09:00 PM CDT

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair with Haze

81°F

27°C

Humidity	70%
Wind Speed	SE 14 mph
Barometer	30.03 in
Dewpoint	70°F (21°C)
Visibility	7.00 mi
Heat Index	85°F (29°C)
Last update	25 Aug 7:50 am CDT

More Information:

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

Extended Forecast for

Pottsboro TX

Extreme Heat Warning August 25, 08:35am until August 25, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 25, 08:35am until August 25, 09:00pm
NOW until 9:00pm Tue
Extreme Heat Warning
Today
High: 106 °F
Chance
Showers
Tonight
Low: 79 °F
Partly Cloudy
Wednesday
High: 101 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 76 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 97 °F
Sunny
Thursday Night
Low: 74 °F
Mostly Clear
Friday
High: 97 °F
Sunny
Friday Night
Low: 75 °F
Clear

Detailed Forecast

Today

A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, then gradually becoming sunny and hot, with a high near 106. South southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Tonight

Partly cloudy, with a low around 79. South wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 106. West southwest wind 5 to 10 mph becoming north in the afternoon.

Wednesday Night

A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. North wind around 5 mph.

Thursday

Sunny, with a high near 97. North northeast wind 5 to 10 mph.

Thursday Night

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

Friday

Sunny, with a high near 97. East northeast wind around 5 mph.

Friday Night

Clear, with a low around 75. East southeast wind around 5 mph.

Saturday

Sunny and hot, with a high near 99. South southeast wind around 5 mph.