Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain and gusty winds from Tropical Storm Moke will impact the Big Island into Monday, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Dangerous heat persists across the Southern Plains and Lower Mississippi Valley, building further into the Southwest by midweek. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

96°F

36°C

Humidity 31%
Wind Speed SE 8 mph
Barometer 29.89 in
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Heat Index96°F (36°C)
Last update 23 Aug 8:55 pm CDT
Extended Forecast for

3 Miles N Gunter TX

Extreme Heat Warning until August 24, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until August 24, 09:00pm

    NOW until 9:00pm Mon

    Extreme Heat Warning

  • Tonight

    Low: 81 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of sprinkles between 10am and 1pm.  Mostly sunny and hot, with a high near 106. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 106 °F

    Slight Chance
    Sprinkles

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 81. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. Heat index values as high as 109. Southwest wind around 10 mph.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 80. South wind around 5 mph.

    Low: 80 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Mostly sunny and hot, with a high near 100. West southwest wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 100 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. North wind around 5 mph becoming east northeast after midnight.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Northeast wind around 5 mph.

    High: 99 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 81. South wind around 10 mph.
Monday
A slight chance of sprinkles between 10am and 1pm. Mostly sunny and hot, with a high near 106. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A 10 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 81. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 104. Heat index values as high as 109. Southwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 80. South wind around 5 mph.
Wednesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny and hot, with a high near 100. West southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 77. North wind around 5 mph becoming east northeast after midnight.
Thursday
Sunny and hot, with a high near 99. Northeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 76. East southeast wind around 5 mph.
Friday
Sunny and hot, with a high near 99.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Gunter TX
 33.5°N 96.73°W (Elev. 738 ft)
6:12 pm CDT Aug 23, 2026
9pm CDT Aug 23, 2026-6pm CDT Aug 30, 2026
 
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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