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Severe Thunderstorms With Heavy Rain from Great Lakes to Mid-Atlantic; Excessive Heat For Central/Southern U.S. to Mid-Atlantic

Severe thunderstorms are possible today into Sunday across the upper Great Lakes region to the northern Mid-Atlantic. Damaging winds, large hail, and flooding will be the primary threats with these storms. Meanwhile, dangerous heat will continue through Sunday across the central and southern U.S. into the Mid-Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

93°F

34°C

Humidity 44%
Wind Speed S 12 mph
Barometer 29.88 in (1010.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 22 Jul 6:53 pm EDT
Extended Forecast for

5 Miles SSE Cosby TN

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight.  Partly cloudy, with a low around 70. Southwest wind around 5 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Partly Cloudy

    Low: 70 °F

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 87. West wind around 5 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely, mainly between 8pm and 2am.  Mostly cloudy, with a low around 67. West wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely

    Low: 67 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 82. South wind around 5 mph becoming northwest in the afternoon.

    Chance
    T-storms

    High: 82 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Southwest wind around 5 mph.

    Chance
    T-storms

    Low: 67 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 81.

    Chance
    T-storms

    High: 81 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 64.

    Chance
    T-storms

    Low: 64 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 82.

    Chance
    T-storms

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 66.

    Chance
    T-storms

    Low: 66 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 20%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87. West wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 67. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South wind around 5 mph becoming northwest in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
5 Miles SSE Cosby TN
 35.75°N 83.21°W (Elev. 2323 ft)
3:13 pm EDT Jul 22, 2017
7pm EDT Jul 22, 2017-6pm EDT Jul 29, 2017
 
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Additional Resources

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