Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

80°F

27°C

Humidity 75%
Wind Speed S 7 mph
Barometer 29.98 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 23 Jul 5:55 am CDT
Extended Forecast for

Knollwood TX

  • Today

    Today: Sunny and hot, with a high near 99. Heat index values as high as 102. South southwest wind 5 to 10 mph.

    Hot

    High: 99 °F

  • Tonight

    Tonight: Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.

    Mostly Clear

    Low: 78 °F

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 99. Heat index values as high as 104. South wind 5 to 10 mph.

    Hot

    High: 99 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 77 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 96. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    Chance
    T-storms

    High: 96 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 76. East wind around 5 mph.

    Slight Chance
    T-storms

    Low: 76 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 94. Southeast wind around 5 mph.

    Chance
    T-storms

    High: 94 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 76. South wind 5 to 10 mph.

    Partly Cloudy

    Low: 76 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 95. South wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 95 °F

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 102. South southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny and hot, with a high near 99. Heat index values as high as 104. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 96. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. East wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. Southeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 76. South wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Click Map For Forecast
Point Forecast:
Knollwood TX
 33.66°N 96.6°W (Elev. 797 ft)
3:32 am CDT Jul 23, 2016
6am CDT Jul 23, 2016-6pm CDT Jul 29, 2016
 
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