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Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

80°F

27°C

Humidity 78%
Wind Speed S 6 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Aug 8:55 pm CDT
Extended Forecast for

Denison TX

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 75. South southeast wind around 5 mph.

    Slight Chance
    T-storms

    Low: 75 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 8am.  Mostly sunny, with a high near 95. Heat index values as high as 103. South wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 95 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 76. South southeast wind around 5 mph.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 76 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 8am.  Mostly sunny, with a high near 95. Heat index values as high as 102. South wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 95 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 75 °F

  • Monday

    Monday: Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph.

    Mostly Sunny

    High: 93 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 75 °F

  • Tuesday

    Tuesday: Sunny, with a high near 94. South wind 5 to 10 mph.

    Sunny

    High: 94 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 8pm.  Partly cloudy, with a low around 74. South southeast wind around 5 mph.

    Chance
    T-storms

    Low: 74 °F

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South southeast wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 95. Heat index values as high as 103. South wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. South southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 95. Heat index values as high as 102. South wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 94. South wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 74. South southeast wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Denison TX
 33.75°N 96.57°W (Elev. 748 ft)
6:53 pm CDT Aug 18, 2017
9pm CDT Aug 18, 2017-6pm CDT Aug 25, 2017
 
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