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.

Mostly Cloudy

70°F

21°C

Humidity 94%
Wind Speed S 5 mph
Barometer 29.73 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 1 Aug 11:15 pm CDT
Extended Forecast for

Cross Plains TN

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Southwest wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 68. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. North northwest wind around 5 mph.

    High: 83 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 67. North wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. North wind around 5 mph becoming calm.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming west southwest around 5 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. Southwest wind around 5 mph.
Sunday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 68. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. North northwest wind around 5 mph.
Monday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 67. North wind around 5 mph becoming calm in the evening.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 68. North wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming west southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 70. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Saturday
A 30 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:
Cross Plains TN
 36.54°N 86.67°W (Elev. 709 ft)
Last Update:
5:57 pm CDT Aug 1, 2026
Forecast Valid:
11pm CDT Aug 1, 2026-6pm CDT Aug 8, 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