National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Thunderstorm Light Rain Fog/Mist

52°F

11°C

Humidity 100%
Wind Speed NW 15 mph
Barometer 30.01 in
Dewpoint 52°F (11°C)
Visibility 2.00 mi
Wind Chill47°F (8°C)
Last update 7 Mar 6:50 am CST
Extended Forecast for

3 Miles SW Cartwright OK

  • Today

    Today: Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a temperature rising to near 63 by noon, then falling to around 56 during the remainder of the day. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F⇓

    Showers
    Likely

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 46. North wind 5 to 10 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 70. North northeast wind around 5 mph becoming calm in the morning.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Calm wind becoming south around 5 mph in the evening.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. South southwest wind 5 to 15 mph.

    High: 79 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 67. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 77 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a temperature rising to near 63 by noon, then falling to around 56 during the remainder of the day. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 46. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 70. North northeast wind around 5 mph becoming calm in the morning.
Sunday Night
Partly cloudy, with a low around 58. Calm wind becoming south around 5 mph in the evening.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. South southwest wind 5 to 15 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 67. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 65.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Cartwright OK
 33.82°N 96.6°W (Elev. 617 ft)
Last Update:
5:13 am CST Mar 7, 2026
Forecast Valid:
7am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation