Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

79°F

26°C

Humidity 29%
Wind Speed SW 14 G 21 mph
Barometer 30.02 in (1016.2 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Mar 3:53 pm EDT
Extended Forecast for

3 Miles NW McDonald TN

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly clear, with a low around 58. Southwest wind around 5 mph.  Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 72. West wind around 10 mph becoming north in the morning. Winds could gust as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly clear, with a low around 58. Southwest wind around 5 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 72. West wind around 10 mph becoming north in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 45. North wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A 20 percent chance of showers before 2pm. Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Sunny, with a high near 78.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 56.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW McDonald TN
 35.15°N 85.02°W (Elev. 1102 ft)
2:26 pm EDT Mar 20, 2026
4pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
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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