Tropical Moisture Producing Heavy Rain in Portions of the Western U.S., Southeast Florida, and Puerto Rico and the U.S. Virgin Islands

Heavy rain and flash flooding will continue across portions of California, the Southwest, and parts of the Southern Rockies. Strong to locally severe thunderstorms and heavy rain will impact portions of the Plains and Mississippi Valley. Tropical moisture is causing heavy rainfall in southeast Florida, Puerto Rico and the Virgin Islands, Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

77°F

25°C

Humidity	69%
Wind Speed	E 8 mph
Barometer	30.01 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	18 Sep 10:55 pm CDT

More Information:

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

Extended Forecast for

Sherman TXSimilar City Names

Tonight
Low: 69 °F
Chance
T-storms
Friday
High: 91 °F
Chance
T-storms then
Slight Chance
Showers
Friday Night
Low: 69 °F
Partly Cloudy
Saturday
High: 90 °F
Mostly Sunny
Saturday Night
Low: 71 °F
Partly Cloudy
then Slight
Chance
Showers
Sunday
High: 89 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 71 °F
Chance
Showers then
Chance
T-storms
Monday
High: 89 °F
Chance
Showers then
Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 69. Calm wind.

Friday

A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Sunny, with a high near 91. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 69. South southeast wind around 5 mph becoming calm.

Saturday

Mostly sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the morning.

Saturday Night

A 20 percent chance of showers after 1am. Partly cloudy, with a low around 71. South southeast wind around 5 mph.

Sunday

A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 89. South wind 5 to 10 mph. Chance of precipitation is 40%.

Sunday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South southeast wind around 10 mph.

Monday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind around 10 mph.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southeast wind around 5 mph.

Tuesday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

Tuesday Night

A 30 percent chance of showers. Partly cloudy, with a low around 63.

Wednesday

A 20 percent chance of showers. Sunny, with a high near 81.