National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Gainesville, Gainesville Municipal Airport (KGLE)

Lat: 33.65°NLon: 97.2°WElev: 840ft.

Partly Cloudy

95°F

35°C

Humidity 41%
Wind Speed S 7 mph
Barometer 30.18 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 17 Sep 3:15 pm CDT
Extended Forecast for

2 Miles WSW Courtney OK

Heat Advisory until September 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 74. Southeast wind 5 to 8 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Calm wind becoming south southeast 5 to 9 mph in the morning.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 73. South southeast wind 5 to 8 mph.

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101. South wind 6 to 10 mph.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 100. Heat index values as high as 104. Southeast wind around 7 mph.
Tonight
Mostly clear, with a low around 74. Southeast wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 100. Calm wind becoming south southeast 5 to 9 mph in the morning.
Friday Night
Clear, with a low around 73. South southeast wind 5 to 8 mph.
Saturday
Sunny and hot, with a high near 101. South wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 73.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 95.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Courtney OK
 33.92°N 97.54°W
Last Update:
1:27 pm CDT Sep 17, 2026
Forecast Valid:
3pm CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation