Widespread Heat This Week; Monsoon Rain Lingers

Widespread heat concerns are expected through at least midweek as high pressure covers a large portion of the U.S., especially the Central half. Excessive heat warnings and watches along with heat advisories are in effect from the northern Plains to the northwestern Gulf Coast and in parts of the West. Flood watches continue in parts of the Southwest due to the heavy monsoon rain threat. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Partly Cloudy

99°F

37°C

Humidity 35%
Wind Speed SE 5 mph
Barometer 29.92 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 26 Jul 4:50 pm CDT
Extended Forecast for

2 Miles S Sherman TX

Heat Advisory until July 26, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 26, 07:00pm

    NOW until
    7:00pm Mon

    Heat Advisory

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 99. Heat index values as high as 105. East southeast wind around 5 mph.

    Slight Chance
    T-storms

    High: 99 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph becoming light and variable  after midnight.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 75 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 98. Heat index values as high as 104. Light east southeast wind increasing to 5 to 10 mph in the morning.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 98 °F

  • Tuesday
    Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 75. East wind 5 to 10 mph becoming light southeast  after midnight.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 75 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 97. Calm wind becoming east southeast around 5 mph in the morning.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 97 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 75 °F

  • Thursday

    Thursday: Sunny, with a high near 98. Calm wind becoming south around 5 mph in the morning.

    Sunny

    High: 98 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 76. South southwest wind 5 to 10 mph.

    Mostly Clear

    Low: 76 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99. Heat index values as high as 105. East southeast wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 98. Heat index values as high as 104. Light east southeast wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. East wind 5 to 10 mph becoming light southeast after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Calm wind becoming east southeast around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 98. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 76. South southwest wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 99. South southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny and hot, with a high near 102.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny and hot, with a high near 99.
Click Map For Forecast
Point Forecast:
2 Miles S Sherman TX
 33.6°N 96.6°W (Elev. 699 ft)
3:36 pm CDT Jul 26, 2021
5pm CDT Jul 26, 2021-6pm CDT Aug 2, 2021
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database