Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

91°F

33°C

Humidity 49%
Wind Speed E 9 mph
Barometer 30.11 in (1018.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 21 Jun 4:53 pm EDT
Extended Forecast for

Jasper TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 5pm.  Partly sunny, with a steady temperature around 87. Calm wind.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 70. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 3pm and 4pm.  Sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Monday

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

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 71. Calm wind.

    Low: 71 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96. Calm wind.

    High: 96 °F

    Hot

  • Tuesday Night

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

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a steady temperature around 87. Calm wind.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 71. Calm wind.
Monday
Sunny and hot, with a high near 93. Calm wind.
Monday Night
Clear, with a low around 71. Calm wind.
Tuesday
Sunny and hot, with a high near 96. Calm wind.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 72.
Friday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Saturday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Jasper TN
 35.07°N 85.63°W (Elev. 666 ft)
3:12 pm CDT Jun 21, 2025
4pm CDT Jun 21, 2025-6pm CDT Jun 28, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database