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

Heavy Rain and Flooding Threat in the Ohio Valley

Gulf moisture will combine with a cold front and will bring heavy rain and scattered flash flooding over parts of the Mid-South into the Ohio Valley through the morning and the Ohio Valley and Central Appalachians on Tuesday. Showers and thunderstorms, some severe, are expected over the Southern Rockies/Southern High Plains on Tuesday. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

73°F

23°C

Humidity 69%
Wind Speed Vrbl 3 mph
Barometer 30.17 in (1020.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 6 Oct 11:53 pm EDT
Extended Forecast for

Maryville TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers before noon, then a chance of showers after 1pm. Partly sunny, with a high near 83. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, then showers and possibly a thunderstorm after 11pm. Patchy fog after 5am. Low around 66. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm. Patchy fog before 8am. High near 75. Southwest wind 5 to 15 mph becoming north in the afternoon. Chance of precipitation is 80%.

    High: 75 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Northeast wind around 5 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming southeast after midnight.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm.
Tuesday
A slight chance of showers before noon, then a chance of showers after 1pm. Partly sunny, with a high near 83. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
Showers likely, then showers and possibly a thunderstorm after 11pm. Patchy fog after 5am. Low around 66. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm. Patchy fog before 8am. High near 75. Southwest wind 5 to 15 mph becoming north in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 73. Northeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming southeast after midnight.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 50.
Columbus Day
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.99°W (Elev. 1001 ft)
Last Update:
7:06 pm EDT Oct 6, 2025
Forecast Valid:
12am EDT Oct 7, 2025-6pm EDT Oct 13, 2025
 
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