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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. 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 9 mph
Barometer 30.01 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Jul 2:15 am CDT
Extended Forecast for

Sherman TX

Heat Advisory until July 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 22, 08:00pm

    NOW until
    8:00pm Sat

    Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 77. South wind around 5 mph.

    Mostly Clear

    Low: 77 °F

  • Friday

    Friday: Sunny, with a high near 97. Heat index values as high as 105. South wind 5 to 10 mph.

    Sunny

    High: 97 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 76. South southeast wind around 10 mph.

    Mostly Clear

    Low: 76 °F

  • Saturday

    Saturday: Sunny, with a high near 97. Heat index values as high as 104. South wind 5 to 10 mph.

    Sunny

    High: 97 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 76. South southeast wind around 10 mph.

    Mostly Clear

    Low: 76 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 96. South southwest wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 96 °F

  • Sunday
    Night

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

    Slight Chance
    T-storms

    Low: 75 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 94. South southwest wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 94 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 77. South wind around 5 mph.
Friday
Sunny, with a high near 97. Heat index values as high as 105. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 76. South southeast wind around 10 mph.
Saturday
Sunny, with a high near 97. Heat index values as high as 104. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 76. South southeast wind around 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. South southwest wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. South southwest wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 95.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 95.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
Mostly sunny, with a high near 96.
Click Map For Forecast
Point Forecast:
Sherman TX
 33.64°N 96.6°W (Elev. 732 ft)
3:08 pm CDT Jul 20, 2017
2am CDT Jul 21, 2017-6pm CDT Jul 27, 2017
 
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