Showers and Thunderstorms from the Southern Plains into the Mid-Mississippi Valley; Record Warmth in the Plains and Midwest

Heavy rain and widely scattered severe storms capable of large hail, damaging winds, and possibly a tornado are expected over portions of the central and southern Plains into the Lower Missouri Valley. Unseasonable warmth will continue for a few more days across the Midwest and Southeast where several daily record highs could fall. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

88°F

31°C

Humidity	62%
Wind Speed	S 15 G 23 mph
Barometer	29.99 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	13 Oct 12:50 pm CDT

More Information:

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

Extended Forecast for

Denison TX

This Afternoon
High: 90 °F
Mostly Sunny
Tonight
Low: 76 °F
Partly Cloudy
Wednesday
High: 91 °F
Partly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 72 °F
Slight Chance
T-storms then
Mostly Clear
Thursday
High: 86 °F
Mostly Sunny
then Chance
Showers
Thursday Night
Low: 60 °F
Chance
T-storms then
Chance
Showers
Friday
High: 67 °F
Partly Sunny
Friday Night
Low: 52 °F
Partly Cloudy
Saturday
High: 69 °F
Sunny

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 90. Heat index values as high as 98. South wind 10 to 15 mph, with gusts as high as 20 mph.

Tonight

Partly cloudy, with a low around 76. South wind around 10 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 99. South wind around 10 mph, with gusts as high as 20 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 72. South southeast wind around 10 mph.

Thursday

A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. South southwest wind 5 to 10 mph. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Friday

Partly sunny, with a high near 67. North wind around 20 mph, with gusts as high as 35 mph.

Friday Night

Partly cloudy, with a low around 52. North wind 10 to 20 mph, with gusts as high as 30 mph.

Saturday

Sunny, with a high near 69. Northeast wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 50.

Sunday

Sunny, with a high near 75.

Sunday Night

Partly cloudy, with a low around 58.