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

82°F

28°C

Humidity 79%
Wind Speed S 10 G 17 mph
Barometer 30.33 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 16 Sep 9:15 am CDT
Extended Forecast for

3 Miles WNW Cross Plains TN

Heat Advisory September 16, 09:26am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 16, 09:26am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 74. Calm wind becoming south southeast around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming west northwest around 5 mph.

    High: 99 °F

    Hot

  • Thursday Night

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

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 97. 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 71. North northeast wind around 5 mph becoming calm.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, sunny, with a high near 96. Calm wind becoming west southwest around 5 mph.

    High: 96 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Calm wind becoming south around 5 mph after midnight.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 106. South southwest wind 5 to 10 mph becoming light and variable in the afternoon.
Tonight
Mostly clear, with a low around 74. Calm wind becoming south southeast around 5 mph.
Thursday
Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming west northwest around 5 mph.
Thursday Night
Mostly clear, with a low around 73. Calm wind.
Friday
Mostly sunny and hot, with a high near 97. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. North northeast wind around 5 mph becoming calm.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 96. Calm wind becoming west southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 73. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 96. South wind 5 to 10 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Cross Plains TN
 36.55°N 86.73°W (Elev. 699 ft)
Last Update:
5:36 am CDT Sep 16, 2026
Forecast Valid:
9am CDT Sep 16, 2026-6pm CDT Sep 22, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation