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

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

66°F

19°C

Humidity 56%
Wind Speed SW 10 G 17 mph
Barometer 29.98 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Mar 10:15 am EDT
Extended Forecast for

Mosheim TN

  • Today

    Today: Mostly cloudy, with a high near 75. West wind around 5 mph.

    High: 75 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 56. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Partly sunny, with a high near 65. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Northeast wind around 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65. East wind around 5 mph becoming southeast in the afternoon.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 75. West wind around 5 mph.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 56. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Partly sunny, with a high near 65. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 39. Northeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 65. East wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 44.
Wednesday
A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 62.
Wednesday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 47.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 72.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mosheim TN
 36.18°N 82.97°W (Elev. 1398 ft)
Last Update:
7:06 am EDT Mar 21, 2026
Forecast Valid:
10am 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