Excessive Heat in the Interior West; Monsoon Conditions in the Southwest

Dangerous heat is expected to be in place across portions of California, especially the Central Valley, and across the Interior Northwest into Friday. Heat Advisories will also be in place across the southern Plains into the Lower Mississippi River Valley. Monsoonal showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region and Southwest through Friday. Read More >

Current conditions at

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

Mostly Cloudy

70°F

21°C

Humidity 94%
Wind Speed NE 5 mph
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 16 Aug 8:35 am CDT
Extended Forecast for

Portland TN

  • Today

    Today: A 30 percent chance of showers, mainly between 1pm and 3pm.  Mostly cloudy, with a high near 79. North wind 5 to 10 mph.

    Mostly Cloudy
    then Chance
    Showers

    High: 79 °F

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm.  Mostly cloudy, with a low around 63. North northwest wind around 5 mph.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 63 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.

    Partly Sunny

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 63. North wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 63 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Northeast wind around 5 mph.

    Mostly Sunny

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 66. Northeast wind around 5 mph becoming southeast after midnight.

    Mostly Clear

    Low: 66 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 84. Calm wind becoming east southeast around 5 mph in the afternoon.

    Mostly Sunny
    then Chance
    T-storms

    High: 84 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 67. South wind around 5 mph.

    Partly Cloudy

    Low: 67 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 86. South southwest wind around 5 mph.

    Chance
    T-storms

    High: 86 °F

Detailed Forecast

Today
A 30 percent chance of showers, mainly between 1pm and 3pm. Mostly cloudy, with a high near 79. North wind 5 to 10 mph.
Tonight
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 63. North northwest wind around 5 mph.
Wednesday
Partly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 83. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 66. Northeast wind around 5 mph becoming southeast after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming east southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 67. South wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. South southwest wind around 5 mph.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 68.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Click Map For Forecast
Point Forecast:
Portland TN
 36.58°N 86.53°W (Elev. 810 ft)
7:35 am CDT Aug 16, 2022
8am CDT Aug 16, 2022-6pm CDT Aug 22, 2022
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database