Critical Fire Weather Over The Southwest U.S., Heavy Rain And Flash Flooding Likely In Hawaii

The combination of strong winds and very dry humidity will lead to critical to extremely critical fire weather conditions over portions of the southern Plains and Desert Southwest through Friday. The potential exists for explosive wildfire growth given ignition. Heavy rain and flash flooding can be expected over the Hawaiian Islands where Flash Flood Watches remain in effect into Friday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

47°F

8°C

Humidity	75%
Wind Speed	E 7 mph
Barometer	30.30 in
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Wind Chill	44°F (7°C)
Last update	20 Apr 4:35 am CDT

More Information:

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

Extended Forecast for

Grayson County Airport TX

Today

Sunny
High: 66 °F
Tonight

Mostly Cloudy
then Chance
T-storms
Low: 50 °F
Saturday

T-storms
High: 56 °F
Saturday
Night

T-storms
Likely
Low: 47 °F
Sunday

Mostly Cloudy
High: 64 °F
Sunday
Night

Partly Cloudy
Low: 47 °F
Monday

Mostly Sunny
High: 71 °F
Monday
Night

Mostly Clear
Low: 51 °F
Tuesday

Sunny
High: 78 °F

Detailed Forecast

Today

Sunny, with a high near 66. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 50. East southeast wind 10 to 15 mph.

Saturday

Showers and thunderstorms, mainly after 7am. High near 56. East wind 5 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Saturday Night

Showers and thunderstorms likely before 1am. Cloudy, with a low around 47. Northeast wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%.

Sunday

Mostly cloudy, with a high near 64. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday Night

Partly cloudy, with a low around 47. North northwest wind around 10 mph.

Monday

Mostly sunny, with a high near 71. North wind 5 to 10 mph.

Monday Night

Mostly clear, with a low around 51. North wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 78. Calm wind becoming north around 5 mph.

Tuesday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.