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 72%
Wind Speed SW 5 mph
Barometer 29.95 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 21 Mar 5:15 am EDT
Extended Forecast for

Reliance TN

  • Today

    Today: Mostly sunny, with a high near 79. Southwest wind around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 10pm and 11pm. Partly cloudy, with a low around 59. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. West wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. Northeast wind around 5 mph becoming south in the afternoon.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 79. Southwest wind around 5 mph.
Tonight
A slight chance of showers and thunderstorms between 10pm and 11pm. Partly cloudy, with a low around 59. Southwest wind around 5 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 59. Southwest wind around 10 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 68. West wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 44. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 66. Northeast wind around 5 mph becoming south in the afternoon.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Wednesday
A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 64.
Wednesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 51.
Thursday
A 10 percent chance of showers. Partly sunny, with a high near 75.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reliance TN
 35.19°N 84.57°W (Elev. 1942 ft)
Last Update:
2:26 am EDT Mar 21, 2026
Forecast Valid:
5am EDT Mar 21, 2026-6pm EDT Mar 27, 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