Widespread Heat This Week; Monsoon Rain Lingers

Widespread heat concerns are expected through at least midweek as high pressure covers a large portion of the U.S., especially the Central half. Excessive heat warnings and watches along with heat advisories are in effect from the northern Plains to the northwestern Gulf Coast and in parts of the West. Flood watches continue in parts of the Southwest due to the heavy monsoon rain threat. Read More >

Hazardous Weather Conditions

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Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Partly Cloudy

99°F

37°C

Humidity	35%
Wind Speed	SE 5 mph
Barometer	29.92 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	104°F (40°C)
Last update	26 Jul 4:50 pm CDT

More Information:

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

Extended Forecast for

2 Miles S Sherman TX

Heat Advisory until July 26, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until July 26, 07:00pm

NOW until
7:00pm Mon

Heat Advisory
This
Afternoon

Slight Chance
T-storms
High: 99 °F
Tonight

Slight Chance
T-storms then
Partly Cloudy
Low: 75 °F
Tuesday

Mostly Sunny
then Slight
Chance
T-storms
High: 98 °F
Tuesday
Night

Slight Chance
T-storms then
Partly Cloudy
Low: 75 °F
Wednesday

Mostly Sunny
then Slight
Chance
T-storms
High: 97 °F
Wednesday
Night

Mostly Clear
Low: 75 °F
Thursday

Sunny
High: 98 °F
Thursday
Night

Mostly Clear
Low: 76 °F

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99. Heat index values as high as 105. East southeast wind around 5 mph.

Tonight

A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph becoming light and variable after midnight.

Tuesday

A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 98. Heat index values as high as 104. Light east southeast wind increasing to 5 to 10 mph in the morning.

Tuesday Night

A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. East wind 5 to 10 mph becoming light southeast after midnight.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Calm wind becoming east southeast around 5 mph in the morning.

Wednesday Night

Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm in the evening.

Thursday

Sunny, with a high near 98. Calm wind becoming south around 5 mph in the morning.

Thursday Night

Mostly clear, with a low around 76. South southwest wind 5 to 10 mph.

Friday

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

Friday Night

Mostly clear, with a low around 77.

Saturday

Sunny and hot, with a high near 101.