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

Heavy Rain in the Ohio and Tennessee Valleys; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. One tropical wave will bring periods of heavy rain, thunderstorms, flood risk, and landslides to Puerto Rico and the US Virgin Islands through Friday morning. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

81°F

27°C

Humidity 62%
Wind Speed NW 9 mph
Barometer 30.03 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 24 Sep 3:50 pm CDT
Extended Forecast for

2 Miles W Southmayd TX

  • Tonight

    Tonight: Partly cloudy, with a low around 63. North northwest wind around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. North wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. North northeast wind around 5 mph becoming calm.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Calm wind becoming south around 5 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. East wind around 5 mph becoming calm.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. North northwest wind around 5 mph.
Thursday
Sunny, with a high near 81. North wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 60. North northeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 82. Calm wind.
Friday Night
Mostly clear, with a low around 60. Calm wind.
Saturday
Sunny, with a high near 85. Calm wind becoming south around 5 mph.
Saturday Night
Partly cloudy, with a low around 62. East wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Southmayd TX
 33.62°N 96.76°W (Elev. 735 ft)
Last Update:
12:24 pm CDT Sep 24, 2025
Forecast Valid:
4pm CDT Sep 24, 2025-6pm CDT Oct 1, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation