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

Cleveland Regional Jetport (KRZR)

Lat: 35.21°NLon: 84.8°WElev: 860ft.

Fair

55°F

13°C

Humidity 77%
Wind Speed SW 5 mph
Barometer 29.96 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 21 Mar 6:30 am EDT
Extended Forecast for

Dayton TN

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 84 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Southwest wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. North wind 5 to 10 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Northeast wind around 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 69. Calm wind becoming southeast around 5 mph.

    High: 69 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 47.

    Low: 47 °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

Today
Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 56. Calm wind.
Sunday
Sunny, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 58. Southwest wind around 5 mph.
Monday
Mostly sunny, with a high near 71. North wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 43. Northeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 69. Calm wind becoming southeast around 5 mph.
Tuesday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 47.
Wednesday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 66.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dayton TN
 35.49°N 85.01°W (Elev. 699 ft)
Last Update:
2:26 am EDT Mar 21, 2026
Forecast Valid:
6am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation