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

Monroe County Airport (KMNV)

Lat: 35.55°NLon: 84.38°WElev: 1031ft.

Fair

64°F

18°C

Humidity 68%
Wind Speed SW 7 mph
Barometer 29.99 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Mar 9:35 am EDT
Extended Forecast for

3 Miles SE Madisonville TN

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 82. Southwest wind around 5 mph.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 59. Southwest wind around 5 mph.

    Low: 59 °F

    Chance
    T-storms

  • 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: Increasing clouds, with a low around 60. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 70. West wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 20 mph.

    High: 70 °F

    Partly Sunny

  • Monday Night

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

    Low: 44 °F

    Partly Cloudy

  • Tuesday

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

    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 67.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 82. Southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 59. 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
Increasing clouds, with a low around 60. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 70. West wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 44. Northeast wind around 5 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 69. Northeast wind around 5 mph becoming calm.
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 67.
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 78.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Madisonville TN
 35.49°N 84.32°W (Elev. 899 ft)
Last Update:
7:06 am EDT Mar 21, 2026
Forecast Valid:
9am 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