Heavy Rainfall and Severe Thunderstorms in the Southern Plains

A slow moving front combined with tropical moisture will maintain the threat of locally considerable flash/urban flooding across much of Texas and Oklahoma through Friday. Isolated severe storms capable of mainly severe wind gusts appear possible over portions of Kansas, Oklahoma, and Texas this afternoon and evening. Read More >

Hazardous Weather Conditions

Flood Watch until October 2, 07:00 AM CDT

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Rain Fog/Mist

70°F

21°C

Humidity	94%
Wind Speed	SE 8 mph
Barometer	29.89 in
Dewpoint	68°F (20°C)
Visibility	2.00 mi
Last update	1 Oct 10:50 am CDT

More Information:

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

Extended Forecast for

Denison TX

Flood Watch October 1, 11:03am until October 2, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch October 1, 11:03am until October 2, 07:00am
NOW until 7:00am Fri
Flood Watch
Today
High: 80 °F
Showers
Tonight
Low: 68 °F
Chance
T-storms then
Showers
Likely
Friday
High: 78 °F
Chance
Showers
Friday Night
Low: 65 °F
Chance
Showers
Saturday
High: 76 °F
Showers
Likely
Saturday Night
Low: 64 °F
Mostly Cloudy
then Slight
Chance
Showers
Sunday
High: 81 °F
Partly Sunny
then Slight
Chance
Showers
Sunday Night
Low: 62 °F
Partly Cloudy

Detailed Forecast

Today

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 80. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 78. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

A 50 percent chance of showers. Cloudy, with a low around 65. North wind 5 to 10 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

Showers likely, mainly before 1pm. Mostly cloudy, with a high near 76. Northeast wind around 5 mph. Chance of precipitation is 60%.

Saturday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.

Sunday

A 20 percent chance of showers after 1pm. Partly sunny, with a high near 81. North northeast wind 5 to 10 mph.

Sunday Night

Partly cloudy, with a low around 62. North northeast wind around 5 mph.

Monday

Sunny, with a high near 80. Northeast wind around 5 mph.

Monday Night

Clear, with a low around 59.