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

Hazardous Weather Conditions

Current conditions at

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 30.05 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 11 Jul 10:35 pm CDT
Extended Forecast for

4 Miles WNW Lafayette TN

Flood Watch July 11, 10:57pm until July 12, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 11, 10:57pm until July 12, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • Tonight

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely before 11am, then showers and possibly a thunderstorm between 11am and 5pm, then showers and thunderstorms likely after 5pm. High near 81. South wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 68. North northeast 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.

    Low: 68 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 82. Northeast wind around 5 mph. Chance of precipitation is 80%.

    High: 82 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 68. Northeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. East southeast wind around 5 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. East southeast wind around 5 mph becoming calm.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest around 5 mph.

    High: 88 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms likely before 11am, then showers and possibly a thunderstorm between 11am and 5pm, then showers and thunderstorms likely after 5pm. High near 81. South wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 68. North northeast 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.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 82. Northeast wind around 5 mph. Chance of precipitation is 80%.
Monday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 68. Northeast wind around 5 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. East southeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 70. East southeast wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 71. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 72.
Friday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Lafayette TN
 36.56°N 86.09°W (Elev. 801 ft)
Last Update:
6:46 pm CDT Jul 11, 2026
Forecast Valid:
10pm CDT Jul 11, 2026-6pm CDT Jul 18, 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