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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

4 Miles E Cedar Hill TN

Heat Advisory September 19, 04:05am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 19, 04:05am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Today

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Heat index values as high as 104. South wind around 5 mph becoming west in the afternoon.

    High: 98 °F

    Hot

  • Sunday Night

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

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. Light and variable wind becoming north northwest 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. North northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. North wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Partly cloudy, with a low around 62. North wind 5 to 10 mph.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming west northwest around 5 mph.
Tonight
Mostly clear, with a low around 72. South wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 98. Heat index values as high as 104. South wind around 5 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 71. West wind around 5 mph becoming calm.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. Light and variable wind becoming north northwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. North northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. North wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62. North wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80. North northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Cedar Hill TN
 36.53°N 86.92°W (Elev. 699 ft)
Last Update:
1:31 am CDT Sep 19, 2026
Forecast Valid:
4am CDT Sep 19, 2026-6pm CDT Sep 25, 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