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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Monroe County Airport (KMNV)

Lat: 35.55°NLon: 84.38°WElev: 1031ft.

Mostly Cloudy

77°F

25°C

Humidity 89%
Wind Speed NW 6 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 27 Aug 9:15 pm EDT
Extended Forecast for

Loudon TNSimilar City Names

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.

    High: 88 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Friday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. Calm wind.
Saturday
Mostly sunny and hot, with a high near 90. Calm wind.
Saturday Night
Partly cloudy, with a low around 68. Calm wind.
Sunday
Mostly sunny and hot, with a high near 91. Calm wind.
Sunday Night
Mostly clear, with a low around 70. Calm wind.
Monday
Mostly sunny and hot, with a high near 91.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny and hot, with a high near 93.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
Wednesday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Loudon TNSimilar City Names
 35.74°N 84.35°W (Elev. 899 ft)
Last Update:
7:06 pm EDT Aug 27, 2026
Forecast Valid:
9pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
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Additional Resources

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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