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

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 11 Sep 2:15 am CDT
Extended Forecast for

2 Miles SSE Cross Plains TN

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Heat index values as high as 98. Calm wind becoming southwest around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 3am, then a chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 87. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 7pm. Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely and
    Patchy Fog
    then Areas
    Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph.

    High: 89 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 68. East wind around 5 mph.

    Low: 68 °F

    Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind.
Friday
A slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Heat index values as high as 98. Calm wind becoming southwest around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 3am, then a chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 87. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers likely before 7pm. Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 68. Calm wind.
Monday
Sunny, with a high near 90. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Clear, with a low around 68. East wind around 5 mph.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Cross Plains TN
 36.52°N 86.67°W (Elev. 699 ft)
Last Update:
1:31 am CDT Sep 11, 2026
Forecast Valid:
2am CDT Sep 11, 2026-6pm CDT Sep 17, 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