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

75°F

24°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Last update 28 Jun 2:15 am CDT
Extended Forecast for

Cross Plains TN

Extreme Heat Watch June 29, 11:00am until July 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 105. West wind 5 to 10 mph.

    High: 90 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. West wind around 5 mph becoming calm.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 109. West southwest wind around 5 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 76. Calm wind.

    Low: 76 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Calm wind.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 105. West wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 75. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 94. Heat index values as high as 109. West southwest wind around 5 mph.
Monday Night
Clear, with a low around 76. Calm wind.
Tuesday
Sunny, with a high near 95. Calm wind.
Tuesday Night
Mostly clear, with a low around 77. Calm wind.
Wednesday
Sunny, with a high near 95. Calm wind.
Wednesday Night
Mostly clear, with a low around 77. Calm wind.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 77.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cross Plains TN
 36.54°N 86.67°W (Elev. 709 ft)
Last Update:
1:56 am CDT Jun 28, 2026
Forecast Valid:
2am CDT Jun 28, 2026-6pm CDT Jul 4, 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