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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Overcast

69°F

21°C

Humidity 90%
Wind Speed Calm
Barometer 29.87 in (1010.8 mb)
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 17 Jun 5:53 am EDT
Extended Forecast for

Jasper TN

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 87 °F

    Becoming
    Sunny

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Increasing clouds, with a low around 72. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms, mainly before noon, then showers likely and possibly a thunderstorm after 1pm. High near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Juneteenth

    Juneteenth: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tonight
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 72. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Showers and thunderstorms, mainly before noon, then showers likely and possibly a thunderstorm after 1pm. High near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 70%.
Juneteenth
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 63. Calm wind.
Saturday
Sunny, with a high near 86. Calm wind.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 85. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jasper TN
 35.07°N 85.63°W (Elev. 666 ft)
Last Update:
1:26 am CDT Jun 17, 2026
Forecast Valid:
5am CDT Jun 17, 2026-6pm CDT Jun 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