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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 >

Current conditions at

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

86°F

30°C

Humidity 70%
Wind Speed SW 3 mph
Barometer 29.90 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 22 Jul 8:35 pm CDT
Extended Forecast for

Portland TN

Heat Advisory until July 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 23, 07:00pm

    NOW until
    7:00pm Sun

    Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 76. Southwest wind around 5 mph.

    Mostly Clear

    Low: 76 °F

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm.  Partly sunny, with a high near 92. Heat index values as high as 103. West southwest wind around 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    T-storms
    Likely

    High: 92 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. West wind around 5 mph becoming south southwest in the evening.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 73 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 88. West southwest wind around 5 mph.

    Chance
    T-storms

    High: 88 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. West southwest wind around 5 mph becoming calm.

    Chance
    T-storms

    Low: 72 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 88. Calm wind becoming north northwest around 5 mph in the afternoon.

    Chance
    T-storms

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 71. North northeast wind around 5 mph becoming calm.

    Partly Cloudy

    Low: 71 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

    Slight Chance
    T-storms

    High: 89 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 76. Southwest wind around 5 mph.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 92. Heat index values as high as 103. West southwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. West wind around 5 mph becoming south southwest in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. West southwest wind around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West southwest wind around 5 mph becoming calm.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 71. North northeast wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 71. Northwest wind around 5 mph becoming south after midnight.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Saturday
Sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
Portland TN
 36.58°N 86.53°W (Elev. 810 ft)
7:35 pm CDT Jul 22, 2017
8pm CDT Jul 22, 2017-6pm CDT Jul 29, 2017
 
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