National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

2 Miles W White House TN

Heat Advisory September 17, 01:42pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 01:42pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Calm wind becoming east northeast around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind becoming west around 5 mph in the afternoon.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph after midnight.

    Low: 72 °F

    Partly Cloudy

  • Sunday

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

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. East northeast wind around 5 mph becoming south in the evening.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Heat index values as high as 104. North northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. Calm wind becoming east northeast around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 96. South southwest wind around 5 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 72. East northeast wind around 5 mph becoming south in the evening.
Monday
Mostly sunny, with a high near 95. South wind around 5 mph becoming north northwest in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 84.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W White House TN
 36.46°N 86.71°W (Elev. 801 ft)
Last Update:
1:31 pm CDT Sep 17, 2026
Forecast Valid:
1pm CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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