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Severe Thunderstorms With Heavy Rain Possible from the Upper Midwest to the Mid-Atlantic; Excessive Heat For Central U.S.

Storms will move from the Upper Great Lakes to the Ohio Valley/Lower Great Lakes into the northern Mid-Atlantic through the day. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat warnings and heat advisories are in place for states in the Central Plains, the Southeast, and the Mid-Atlantic. Localized flash flooding may occur in the Southwest. Read More >

7-Day Forecast for Latitude 36.32°N and Longitude 82.37°W (Elev. 1699 ft) (Text-Only)
NWS Forecast for: Johnson City TN
Issued by: National Weather Service Morristown, TN
Last Update: 10:13 pm EDT Jul 21, 2017
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  • Overnight

    Overnight: Partly cloudy, with a low around 69. Calm wind.

    Partly Cloudy


    Low: 69 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 91. Heat index values as high as 95. Calm wind becoming west around 5 mph in the afternoon.

    Mostly Sunny
    then Chance
    T-storms

    High: 91 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 72. Southwest wind around 5 mph.

    Chance
    T-storms

    Low: 72 °F

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 88. West wind 5 to 10 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    High: 88 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 70. West wind 5 to 10 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 70 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 85.

    Chance
    T-storms

    High: 85 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 67.

    Chance
    T-storms

    Low: 67 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85.

    Chance
    T-storms

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 67.

    Slight Chance
    T-storms

    Low: 67 °F



  • Overnight: Partly cloudy, with a low around 69. Calm wind.

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 95. Calm wind becoming west around 5 mph in the afternoon.

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph.

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. West wind 5 to 10 mph. Chance of precipitation is 60%.

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. West wind 5 to 10 mph. Chance of precipitation is 60%.

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.

    Monday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Tuesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

    Wednesday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

    Thursday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.



    Johnson City TN
     36.32°N 82.37°W (Elev. 1699 ft)

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