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

Guntersville Municipal Airport (K8A1)

Lat: 34.4°NLon: 86.27°WElev: 600ft.

Fair

73°F

23°C

Humidity 100%
Wind Speed SE 2 mph
Barometer 30.29 in
Dewpoint 73°F (23°C)
Visibility 8.00 mi
Last update 17 Sep 3:35 am CDT
Extended Forecast for

5 Miles ESE Grant AL

Heat Advisory September 17, 04:01am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 04:01am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Heat index values as high as 103. Calm wind.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 103. Calm wind.
Tonight
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny, with a high near 94. Heat index values as high as 103. Calm wind.
Friday Night
Partly cloudy, with a low around 76. Calm wind.
Saturday
Sunny, with a high near 93. Calm wind.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Grant AL
 34.49°N 86.17°W (Elev. 594 ft)
Last Update:
3:50 am CDT Sep 17, 2026
Forecast Valid:
4am 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