Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

A Few Clouds

66°F

19°C

Humidity	94%
Wind Speed	NW 3 mph
Barometer	30.02 in
Dewpoint	64°F (18°C)
Visibility	9.00 mi
Last update	3 Sep 7:55 am CDT

More Information:

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

Extended Forecast for

Grayson County Airport TX

Today
High: 87 °F
Sunny
Tonight
Low: 67 °F
Mostly Clear
Thursday
High: 91 °F
Sunny
Thursday Night
Low: 73 °F
Mostly Clear
Friday
High: 92 °F
Partly Sunny
Friday Night
Low: 64 °F
Slight Chance
T-storms
Saturday
High: 79 °F
Slight Chance
T-storms
Saturday Night
Low: 65 °F
Mostly Cloudy
then Chance
Showers
Sunday
High: 74 °F
Chance
Showers

Detailed Forecast

Today

Sunny, with a high near 87. North northwest wind 5 to 10 mph.

Tonight

Mostly clear, with a low around 67. Calm wind becoming south around 5 mph after midnight.

Thursday

Sunny, with a high near 91. South wind around 5 mph becoming north northwest in the afternoon.

Thursday Night

Mostly clear, with a low around 73. East southeast wind 5 to 10 mph becoming south after midnight.

Friday

Partly sunny, with a high near 92. Southwest wind around 10 mph.

Friday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South southeast wind around 10 mph becoming north northeast after midnight.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Northeast wind around 10 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Northeast wind 5 to 10 mph.

Sunday

A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 74. East wind around 10 mph. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

Monday

A 40 percent chance of showers. Mostly cloudy, with a high near 76.

Monday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

Tuesday

A 30 percent chance of showers. Partly sunny, with a high near 80.