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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mitchellville TN

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 3pm, then showers and possibly a thunderstorm after 3pm. High near 78. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 1am, then a chance of showers. Low around 62. Northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 76. North northeast wind 5 to 10 mph.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 79. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    High: 79 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 65. South wind around 10 mph. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. South southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 5 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Calm wind.
Wednesday
Showers and thunderstorms, mainly before 3pm, then showers and possibly a thunderstorm after 3pm. High near 78. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and thunderstorms before 1am, then a chance of showers. Low around 62. Northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 76. North northeast wind 5 to 10 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 79. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Friday Night
Showers and possibly a thunderstorm. Low around 65. South wind around 10 mph. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. South southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 5 mph. Chance of precipitation is 40%.
Sunday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Memorial Day
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mitchellville TN
 36.63°N 86.55°W (Elev. 758 ft)
Last Update:
4:21 am CDT May 20, 2026
Forecast Valid:
5am CDT May 20, 2026-6pm CDT May 26, 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