Monsoonal Moisture Persists Across the Southwest; Heat Remains for the South and West Coast

Persistent monsoonal moisture will affect portions of the four corners region that might generate isolated flooding, especially near burn scars. Heat persists across the South, including the middle and lower Mississippi River Valley, while temperatures also climb for much of the west coast. 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.

Clear

99°F

37°C

Humidity	27%
Wind Speed	SE 7 mph
Barometer	29.95 in
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	25 Jun 4:50 pm CDT

More Information:

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

Extended Forecast for

Denison TX

Heat Advisory until June 25, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until June 25, 07:00pm

NOW until
7:00pm Sat

Heat Advisory
This
Afternoon

Hot
High: 101 °F
Tonight

Clear
Low: 76 °F
Sunday

Sunny then
Slight Chance
T-storms
High: 95 °F
Sunday
Night

Mostly Clear
then Slight
Chance
T-storms
Low: 69 °F
Monday

Slight Chance
T-storms
High: 86 °F
Monday
Night

Partly Cloudy
Low: 67 °F
Tuesday

Mostly Sunny
High: 88 °F
Tuesday
Night

Mostly Clear
Low: 67 °F

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 101. South southeast wind around 10 mph.

Tonight

Clear, with a low around 76. South southeast wind 5 to 10 mph.

Sunday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Heat index values as high as 98. West northwest wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

Monday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Northeast wind around 10 mph.

Monday Night

Partly cloudy, with a low around 67. Northeast wind 5 to 10 mph.

Tuesday

Mostly sunny, with a high near 88. East northeast wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 67. East northeast wind 5 to 10 mph.

Wednesday

Sunny, with a high near 92. East wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 71.