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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Overcast

67°F

19°C

Humidity 42%
Wind Speed SE 6 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Nov 9:53 pm EST
Extended Forecast for

Harrison TN

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 59. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Patchy fog between 8am and 11am. Otherwise, partly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Mostly cloudy, with a high near 74. Calm wind.

    High: 74 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 61. South wind around 5 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 59. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Patchy fog between 8am and 11am. Otherwise, partly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 55. Calm wind.
Thursday
Mostly cloudy, with a high near 74. Calm wind.
Thursday Night
A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 58. Calm wind.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 72. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm. Low around 61. South wind around 5 mph. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 74.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 67.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrison TN
 35.14°N 85.15°W (Elev. 856 ft)
Last Update:
6:06 pm EST Nov 18, 2025
Forecast Valid:
10pm EST Nov 18, 2025-6pm EST Nov 25, 2025
 
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