Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Overcast

77°F

25°C

Humidity	89%
Wind Speed	Vrbl 5 mph
Barometer	30.20 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	2 Aug 9:50 am CDT

More Information:

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

Extended Forecast for

Callisburg TX

Today
High: 87 °F
Mostly Sunny
Tonight
Low: 70 °F
Mostly Clear
Sunday
High: 88 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 67 °F
Chance
T-storms
Monday
High: 87 °F
Chance
Showers
Monday Night
Low: 67 °F
Clear
Tuesday
High: 93 °F
Sunny
Tuesday Night
Low: 71 °F
Clear
Wednesday
High: 97 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 87. Northeast wind around 5 mph.

Tonight

Mostly clear, with a low around 70. East northeast wind around 5 mph becoming calm in the evening.

Sunday

A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 20%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. East wind around 5 mph.

Monday

A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. East wind around 5 mph.

Monday Night

Clear, with a low around 67. East wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.

Tuesday Night

Clear, with a low around 71. Southeast wind around 5 mph.

Wednesday

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