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

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

73°F

23°C

Humidity 87%
Wind Speed W 5 mph
Barometer 30.29 in (1024.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Sep 2:53 am EDT
Extended Forecast for

2 Miles ESE Maryville TN

  • Overnight

    Overnight: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93. Heat index values as high as 101. Calm wind becoming north around 5 mph.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. East wind around 5 mph becoming calm.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Northeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Calm wind.
Thursday
Sunny and hot, with a high near 93. Heat index values as high as 101. Calm wind becoming north around 5 mph.
Thursday Night
Partly cloudy, with a low around 72. East wind around 5 mph becoming calm.
Friday
A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Northeast wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. Southeast wind around 5 mph. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Maryville TN
 35.73°N 83.94°W (Elev. 1033 ft)
Last Update:
2:36 am EDT Sep 17, 2026
Forecast Valid:
3am EDT Sep 17, 2026-6pm EDT Sep 23, 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