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

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 >

Hazardous Weather Conditions

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Partly Cloudy

76°F

24°C

Humidity 47%
Wind Speed SW 6 mph
Barometer 30.00 in (1015.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Mar 11:53 am EDT
Extended Forecast for

Middle Valley TN

  • This Afternoon

    This Afternoon: Areas of smoke. Sunny, with a high near 82. Southwest wind around 5 mph.

    High: 82 °F

    Areas Smoke

  • Tonight

    Tonight: Areas of smoke before 1am. Mostly clear, with a low around 58. Southwest wind around 5 mph.

    Low: 58 °F

    Areas Smoke

  • 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.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 72. North wind 5 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. Northeast wind around 5 mph becoming south in the afternoon.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Areas of smoke. Sunny, with a high near 82. Southwest wind around 5 mph.
Tonight
Areas of smoke before 1am. Mostly clear, with a low around 58. Southwest wind around 5 mph.
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.
Monday
Mostly sunny, with a high near 72. North wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 46. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 67. Northeast wind around 5 mph becoming south in the afternoon.
Tuesday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 49.
Wednesday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 58.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Middle Valley TN
 35.16°N 85.18°W (Elev. 978 ft)
Last Update:
10:36 am EDT Mar 21, 2026
Forecast Valid:
12pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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