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

Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Hazardous Weather Conditions

Current conditions at

Monroe County Airport (KMNV)

Lat: 35.55°NLon: 84.38°WElev: 1031ft.

Fair

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Last update 30 Jun 4:35 am EDT
Extended Forecast for

Loudon TNSimilar City Names

Heat Advisory June 30, 11:00am until July 2, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Calm wind.

    High: 93 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. Heat index values as high as 103. Calm wind.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Calm wind becoming northeast around 5 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. Calm wind.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Calm wind.
Tonight
Mostly clear, with a low around 74. Calm wind.
Wednesday
Sunny and hot, with a high near 94. Heat index values as high as 103. Calm wind.
Wednesday Night
Mostly clear, with a low around 74. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Calm wind becoming northeast around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly clear, with a low around 73. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. Calm wind.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.
Independence Day
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Loudon TNSimilar City Names
 35.74°N 84.35°W (Elev. 899 ft)
Last Update:
2:26 am EDT Jun 30, 2026
Forecast Valid:
4am EDT Jun 30, 2026-6pm EDT Jul 6, 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