National Weather Service

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

90°F

32°C

Humidity	63%
Wind Speed	SW 14 mph
Barometer	29.89 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	101°F (38°C)
Last update	26 Jun 9:50 am CDT

More Information:

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

Extended Forecast for

5 Miles W Grayson County Airport TX

Heat Advisory June 26, 10:51am until June 26, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 26, 10:51am until June 26, 07:00pm
NOW until 7:00pm Wed
Heat Advisory
Today
High: 101 °F
Slight Chance
T-storms
Tonight
Low: 77 °F
Slight Chance
T-storms
Thursday
High: 98 °F
Sunny
Thursday Night
Low: 79 °F
Mostly Clear
Friday
High: 100 °F
Hot
Friday Night
Low: 79 °F
Mostly Clear
Saturday
High: 100 °F
Hot
Saturday Night
Low: 79 °F
Partly Cloudy

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 114. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

Tonight

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.

Thursday

Sunny, with a high near 98. Heat index values as high as 107. East southeast wind around 5 mph.

Thursday Night

Mostly clear, with a low around 79. East southeast wind 5 to 10 mph.

Friday

Mostly sunny and hot, with a high near 100. South wind 10 to 15 mph, with gusts as high as 20 mph.

Friday Night

Mostly clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday

Sunny and hot, with a high near 100. South wind around 10 mph, with gusts as high as 20 mph.

Saturday Night

Partly cloudy, with a low around 79. South wind 5 to 10 mph.