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.

A Few Clouds

75°F

24°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 26 May 4:15 pm CDT
Extended Forecast for

6 Miles WNW Lafayette TN

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Mostly cloudy, with a high near 79. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. South 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: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and midnight. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 65. West wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. Northeast wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. East northeast wind around 5 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East northeast wind around 5 mph.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. East northeast wind around 5 mph. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a high near 79. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 66. South wind around 5 mph.
Wednesday
Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. South 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.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and midnight. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 65. West wind around 5 mph becoming calm. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 63. Northeast wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. East northeast wind around 5 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East northeast wind around 5 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. East northeast wind around 5 mph. Chance of precipitation is 60%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Lafayette TN
 36.56°N 86.11°W (Elev. 899 ft)
Last Update:
1:31 pm CDT May 26, 2026
Forecast Valid:
4pm CDT May 26, 2026-6pm CDT Jun 2, 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