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Hazardous Weather Conditions

Current conditions at

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles N Orlinda TN

Heat Advisory September 18, 12:57am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 12:57am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Overnight

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming west northwest around 5 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms between 9pm and 10pm. Patchy dense fog before 4am, then patchy dense fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Patchy Dense
    Fog

  • Saturday

    Saturday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming west around 5 mph.

    High: 96 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 96. South wind around 5 mph becoming west southwest in the afternoon.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South southwest wind around 5 mph becoming west in the afternoon.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming west northwest around 5 mph.
Friday Night
A slight chance of showers and thunderstorms between 9pm and 10pm. Patchy dense fog before 4am, then patchy dense fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Saturday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming west around 5 mph.
Saturday Night
Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph.
Sunday
Mostly sunny, with a high near 96. South wind around 5 mph becoming west southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South southwest wind around 5 mph becoming west in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming southeast after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Orlinda TN
 36.66°N 86.69°W (Elev. 623 ft)
Last Update:
10:26 pm CDT Sep 17, 2026
Forecast Valid:
12am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation