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.

Fair

79°F

26°C

Humidity 89%
Wind Speed S 5 mph
Barometer 29.99 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 3:35 am CDT
Extended Forecast for

Orlinda TN

Heat Advisory August 17, 03:45am until August 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 03:45am until August 17, 07:00pm

    NOW until 7:00pm Mon

    Heat Advisory

  • Overnight

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91. Heat index values as high as 105. West northwest wind 5 to 10 mph becoming east northeast in the morning.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. North northwest wind 5 to 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 88. North wind around 5 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. East northeast wind around 5 mph becoming calm.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southeast wind around 5 mph becoming northwest in the morning. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. Southwest wind around 5 mph.
Monday
Mostly sunny, with a high near 91. Heat index values as high as 105. West northwest wind 5 to 10 mph becoming east northeast in the morning.
Monday Night
Partly cloudy, with a low around 68. North northwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 88. North wind around 5 mph.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 67. Calm wind.
Wednesday
Mostly sunny, with a high near 92. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. East northeast wind around 5 mph becoming calm.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southeast wind around 5 mph becoming northwest in the morning. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Orlinda TN
 36.61°N 86.67°W (Elev. 705 ft)
Last Update:
1:31 am CDT Aug 17, 2026
Forecast Valid:
3am CDT Aug 17, 2026-6pm CDT Aug 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