Heavy Rainfall Threat The Across The Eastern U.S.

A strong cold front will gradually push through the Eastern U.S. over the next couple of days and will bring heavy rain and severe weather, primarily damaging winds . Excessive rainfall may result in flash flooding in the central Great Lakes and central Appalachians. Flash flood watches are currently in effect from the coastal Carolinas to the Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in (1015.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 21 Sep 10:53 pm EDT
Extended Forecast for

Cosby TN

  • Tonight

    Tonight: A slight chance of showers between midnight and 2am.  Patchy fog after 3am.  Otherwise, partly cloudy, with a steady temperature around 67. Calm wind becoming south around 5 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers and
    Patchy Fog

    Low: 67 °F

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers.  Patchy fog between noon and 1pm. High near 74. Light and variable wind becoming west 5 to 10 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Showers and
    Patchy Fog

    High: 74 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers, mainly before 8pm.  Mostly cloudy, with a low around 48. West wind 5 to 10 mph.

    Chance
    Showers then
    Mostly Cloudy

    Low: 48 °F

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 68. Northwest wind around 5 mph.

    Becoming
    Sunny

    High: 68 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 46. Northwest wind around 5 mph becoming calm.

    Mostly Clear

    Low: 46 °F

  • Friday

    Friday: Sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.

    Sunny

    High: 73 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 48. South wind around 5 mph.

    Mostly Clear

    Low: 48 °F

  • Saturday

    Saturday: Sunny, with a high near 76.

    Sunny

    High: 76 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 53.

    Mostly Clear

    Low: 53 °F

Detailed Forecast

Tonight
A slight chance of showers between midnight and 2am. Patchy fog after 3am. Otherwise, partly cloudy, with a steady temperature around 67. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Patchy fog between noon and 1pm. High near 74. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 48. West wind 5 to 10 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 68. Northwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 46. Northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 48. South wind around 5 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
Cosby TN
 35.82°N 83.23°W (Elev. 1693 ft)
10:44 pm EDT Sep 21, 2021
11pm EDT Sep 21, 2021-6pm EDT Sep 28, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database