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

Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Cleveland Regional Jetport (KRZR)

Lat: 35.21°NLon: 84.8°WElev: 860ft.

Fair

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 27 Aug 12:55 am EDT
Extended Forecast for

Graysville TN

  • Overnight

    Overnight: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 93. Heat index values as high as 103. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind.

    High: 91 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Saturday

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

    High: 93 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. Calm wind.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 93. Heat index values as high as 103. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Friday
Areas of fog before 10am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind.
Friday Night
Partly cloudy, with a low around 67. Calm wind.
Saturday
Sunny and hot, with a high near 93. Calm wind.
Saturday Night
Mostly clear, with a low around 69. Calm wind.
Sunday
Sunny and hot, with a high near 93.
Sunday Night
Mostly clear, with a low around 70.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Tuesday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Graysville TN
 35.45°N 85.07°W (Elev. 787 ft)
Last Update:
1:06 am EDT Aug 27, 2026
Forecast Valid:
1am EDT Aug 27, 2026-6pm EDT Sep 2, 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