Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

71°F

22°C

Humidity 72%
Wind Speed S 9 mph
Barometer 30.00 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 12 Oct 2:35 am CDT
Extended Forecast for

2 Miles SW Denison TX

  • Overnight

    Overnight: Clear, with a low around 69. South wind around 10 mph.

    Low: 69 °F

    Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 10 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South southeast wind around 10 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71. South southeast wind around 10 mph.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 84. South wind around 10 mph becoming northwest in the afternoon.  Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 61. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 69. South wind around 10 mph.
Columbus Day
Sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 92. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 75. South southeast wind around 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South southeast wind around 10 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. South wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 50%.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 61. North wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Denison TX
 33.73°N 96.6°W (Elev. 702 ft)
1:26 am CDT Oct 12, 2026
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database