Dangerous Heat and Possible Flooding
Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >
Current conditions at
Athens McMinn County Airport (KMMI)
Lat: 35.4°NLon: 84.56°WElev: 874ft.
Fair
90°F
32°C
| Humidity | 46% |
| Wind Speed | NE 6 mph |
| Barometer | 30.05 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 28 Aug 3:15 pm EDT |
Extended Forecast for
Decatur TNSimilar City Names
This Afternoon
High: 89 °F
Sunny
Tonight
Low: 66 °F
Mostly Clear
Saturday
High: 91 °F
Hot
Saturday Night
Low: 69 °F
Partly Cloudy
Sunday
High: 91 °F
Hot
Sunday Night
Low: 70 °F
Partly Cloudy
Monday
High: 92 °F
Hot
Monday Night
Low: 71 °F
Mostly Clear
Tuesday
High: 94 °F
Hot
Detailed Forecast
This Afternoon
Sunny, with a high near 89. Heat index values as high as 95. North wind around 5 mph.
Tonight
Mostly clear, with a low around 66. Calm wind.
Saturday
Sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind.
Saturday Night
Partly cloudy, with a low around 69. Calm wind.
Sunday
Mostly sunny and hot, with a high near 91. Calm wind.
Sunday Night
Partly cloudy, with a low around 70. Calm wind.
Monday
Sunny and hot, with a high near 92. Calm wind.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny and hot, with a high near 94.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny and hot, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Decatur TNSimilar City Names
35.52°N 84.79°W (Elev. 778 ft)
35.52°N 84.79°W (Elev. 778 ft)
2:31 pm EDT Aug 28, 2026
3pm EDT Aug 28, 2026-6pm EDT Sep 3, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
