Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

79°F

26°C

Humidity 79%
Wind Speed N 9 mph
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Heat Index82°F (28°C)
Last update 15 Oct 4:50 pm CDT
Extended Forecast for

Southmayd TX

Wind Advisory October 16, 04:00am until October 16, 07:00pm
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm.  Mostly sunny, with a high near 84. Northwest wind around 10 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 53. North wind 10 to 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 61. North wind around 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 62. North northeast wind 5 to 10 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 42. Calm wind becoming north northeast around 5 mph.

    Low: 42 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. East southeast wind around 5 mph becoming calm  in the afternoon.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Calm wind becoming southeast around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. South southeast wind around 5 mph.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 84. Northwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 53. North wind 10 to 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 61. North wind around 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 45. North wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 62. North northeast wind 5 to 10 mph.
Saturday Night
Clear, with a low around 42. Calm wind becoming north northeast around 5 mph.
Sunday
Sunny, with a high near 67. East southeast wind around 5 mph becoming calm in the afternoon.
Sunday Night
Mostly clear, with a low around 47. Calm wind becoming southeast around 5 mph.
Monday
Sunny, with a high near 74. South southeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Southmayd TX
 33.62°N 96.71°W (Elev. 820 ft)
1:26 pm CDT Oct 15, 2026
5pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
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Additional Resources

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