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.

Overcast

69°F

21°C

Humidity 96%
Wind Speed SE 3 mph
Barometer 29.89 in (1010.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 25 Sep 3:53 am EDT
Extended Forecast for

Maryville TN

Flood Watch September 25, 11:00am until September 26, 11:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Showers and thunderstorms likely. Cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. Patchy fog after 9am. High near 75. Southwest wind around 5 mph becoming west in the morning. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 75 °F

    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Patchy fog. Low around 64. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Patchy fog before 2pm. High near 73. Northeast wind around 10 mph. Chance of precipitation is 80%.

    High: 73 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then showers between 11pm and 5am, then showers and possibly a thunderstorm after 5am. Low around 67. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 90%.

    Low: 67 °F

    Showers and
    Breezy

  • Friday

    Friday: Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 78. Breezy, with an east wind around 25 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 80%.

    High: 78 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers and thunderstorms likely. Cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. Patchy fog after 9am. High near 75. Southwest wind around 5 mph becoming west in the morning. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Patchy fog. Low around 64. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and possibly a thunderstorm. Patchy fog before 2pm. High near 73. Northeast wind around 10 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then showers between 11pm and 5am, then showers and possibly a thunderstorm after 5am. Low around 67. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 90%.
Friday
Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 78. Breezy, with an east wind around 25 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 77.
Saturday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 62.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 78.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.96°W (Elev. 1010 ft)
Last Update:
3:36 am EDT Sep 25, 2024
Forecast Valid:
4am EDT Sep 25, 2024-6pm EDT Oct 1, 2024
 
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