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Hazardous Weather Conditions

Current conditions at

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

Partly Cloudy

90°F

32°C

Humidity 75%
Wind Speed Vrbl 5 mph
Barometer 29.91 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 26 Jul 5:55 pm CDT
Extended Forecast for

Cottontown TN

Heat Advisory July 27, 10:00am until July 28, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Patchy fog before 4am, then patchy fog after 5am. Low around 74. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms then
    Showers and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 9am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming southwest around 5 mph.

    High: 93 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Calm wind becoming west southwest around 5 mph after midnight.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 107. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 71. North wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. North wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. North northeast wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Northeast wind around 5 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. North northeast wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Patchy fog before 4am, then patchy fog after 5am. Low around 74. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms before 9am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly clear, with a low around 76. Calm wind becoming west southwest around 5 mph after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 107. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 71. North wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 87. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 67. North northeast wind around 5 mph.
Thursday
Sunny, with a high near 87. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 67. North northeast wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 88.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottontown TN
 36.47°N 86.57°W (Elev. 801 ft)
Last Update:
6:07 pm CDT Jul 26, 2026
Forecast Valid:
6pm CDT Jul 26, 2026-6pm CDT Aug 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