National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

Overcast

79°F

26°C

Humidity 89%
Wind Speed NW 5 mph
Barometer 30.01 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 9:55 pm CDT
Extended Forecast for

Cross Plains TN

  • Tonight

    Tonight: Mostly clear, with a low around 67. North northwest wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. North northwest wind around 5 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 67. North wind around 5 mph becoming calm.

    Low: 67 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. Heat index values as high as 97. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm. Chance of precipitation is 70%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 86 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. North wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 67. North northwest wind around 5 mph.
Tuesday
Sunny, with a high near 87. North northwest wind around 5 mph.
Tuesday Night
Clear, with a low around 67. North wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 91. Heat index values as high as 97. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 63.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cross Plains TN
 36.54°N 86.67°W (Elev. 709 ft)
Last Update:
7:06 pm CDT Aug 17, 2026
Forecast Valid:
10pm CDT Aug 17, 2026-6pm CDT Aug 24, 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