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

93°F

34°C

Humidity 56%
Wind Speed SW 8 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 13 Aug 4:55 pm CDT
Extended Forecast for

Cross Plains TN

Heat Advisory August 13, 05:10pm until August 16, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 13, 05:10pm until August 16, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    Low: 75 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 96. Heat index values as high as 109. South southwest wind 5 to 10 mph becoming west in the afternoon.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Heat index values as high as 105. West southwest wind around 5 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Calm wind becoming south southwest around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. West wind 5 to 10 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. West southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 75. South southwest wind around 5 mph.
Friday
Sunny, with a high near 96. Heat index values as high as 109. South southwest wind 5 to 10 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 97. Heat index values as high as 105. West southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 76. Calm wind becoming south southwest around 5 mph.
Sunday
Sunny and hot, with a high near 98. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. West southwest wind 5 to 10 mph becoming northwest in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. North wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cross Plains TN
 36.52°N 86.67°W (Elev. 699 ft)
Last Update:
4:06 pm CDT Aug 13, 2026
Forecast Valid:
5pm CDT Aug 13, 2026-6pm CDT Aug 20, 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