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.

Fair

72°F

22°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.07 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 13 Jul 10:55 pm CDT
Extended Forecast for

4 Miles WNW Lafayette TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the morning.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southwest wind around 5 mph.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind becoming south southwest around 5 mph.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 71. Calm wind.
Monday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 71. Calm wind.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 73. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 73. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southwest wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind becoming south southwest around 5 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Lafayette TN
 36.56°N 86.09°W (Elev. 801 ft)
Last Update:
7:43 pm CDT Jul 13, 2025
Forecast Valid:
11pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025
 
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