Hazardous Weather Conditions
Current conditions at
Portland Municipal Airport (K1M5)
Lat: 36.59°NLon: 86.48°WElev: 818ft.
Fair
79°F
26°C
| Humidity | 79% |
| Wind Speed | SW 5 mph |
| Barometer | 30.09 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 16 Aug 3:35 am CDT |
Extended Forecast for
4 Miles SSW Portland TN
Extreme Heat Warning August 16, 04:12am until August 16, 07:00pm
NOW until 7:00pm Sun

Extreme Heat Warning
Today

High: 97 °F
Hot
Tonight

Low: 75 °F
Mostly Clear
Monday

High: 91 °F
Mostly Sunny
Monday Night
Low: 70 °F
Slight Chance
T-storms then
Partly CloudyTuesday

High: 90 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
then Patchy
FogWednesday

High: 93 °F
Sunny
Wednesday Night

Low: 72 °F
Chance
T-storms
Detailed Forecast
Today
Sunny and hot, with a high near 97. Heat index values as high as 106. West wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 75. West wind around 5 mph.
Monday
Mostly sunny, with a high near 91. Heat index values as high as 103. Light west northwest wind becoming northwest 5 to 10 mph in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. North northwest wind 5 to 10 mph becoming light north in the evening.
Tuesday
Sunny, with a high near 90. North wind around 5 mph.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 69. Calm wind.
Wednesday
Sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. West southwest wind around 5 mph becoming east after midnight.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. North northwest wind around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Portland TN
36.54°N 86.53°W (Elev. 814 ft)
36.54°N 86.53°W (Elev. 814 ft)
1:31 am CDT Aug 16, 2026
4am CDT Aug 16, 2026-6pm CDT Aug 22, 2026



