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.

Fair

82°F

28°C

Humidity 69%
Wind Speed S 16 mph
Barometer 29.85 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 May 10:15 pm CDT
Extended Forecast for

Luella TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 73. South wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 83. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 76. East southeast wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South southeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. South wind around 5 mph.

    High: 81 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. South southeast wind 5 to 10 mph becoming light after midnight.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 73. South wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 83. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 76. East southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South southeast wind around 5 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. South wind around 5 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. South southeast wind 5 to 10 mph becoming light after midnight.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 80.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Luella TX
 33.57°N 96.54°W (Elev. 623 ft)
Last Update:
6:12 pm CDT May 18, 2026
Forecast Valid:
11pm CDT May 18, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation