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

3 Miles E Cross Plains TN

Heat Advisory September 18, 12:58am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 12:58am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Overnight

    Low: 73 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming northwest around 5 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms between 9pm and 10pm. Patchy 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 Fog

  • Saturday

    Saturday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 96. Heat index values as high as 104. Calm wind becoming west northwest around 5 mph.

    High: 96 °F

    Patchy Fog
    then Sunny

  • Saturday Night

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

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. South wind around 5 mph becoming west southwest in the afternoon.

    High: 97 °F

    Hot

  • 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 95. South southwest wind around 5 mph becoming west in the afternoon.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 73. Calm wind.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming northwest around 5 mph.
Friday Night
A slight chance of showers and thunderstorms between 9pm and 10pm. Patchy 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 104. Calm wind becoming west northwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph.
Sunday
Mostly sunny and hot, with a high near 97. 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 95. 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 68. 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
A 20 percent chance of showers. Partly cloudy, with a low around 64.
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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Cross Plains TN
 36.54°N 86.64°W (Elev. 702 ft)
Last Update:
10:26 pm CDT Sep 17, 2026
Forecast Valid:
12am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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