
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
70°F
21°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 30.11 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 29 Aug 4:15 am EDT |
Extended Forecast for
Decatur TNSimilar City Names
Today

High: 91 °F
Hot
Tonight

Low: 69 °F
Partly Cloudy
Sunday

High: 91 °F
Hot
Sunday Night

Low: 70 °F
Mostly Clear
Monday

High: 93 °F
Hot
Monday Night

Low: 70 °F
Mostly Clear
Tuesday

High: 94 °F
Hot
Tuesday Night

Low: 72 °F
Mostly Clear
Wednesday

High: 95 °F
Hot
Detailed Forecast
Today
Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind.
Tonight
Partly cloudy, with a low around 69. Calm wind.
Sunday
Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming south around 5 mph.
Sunday Night
Mostly clear, with a low around 70. Calm wind.
Monday
Sunny and hot, with a high near 93. Calm wind.
Monday Night
Mostly clear, with a low around 70. Calm wind.
Tuesday
Sunny and hot, with a high near 94. Calm wind.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 95.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Additional Forecasts and Information
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ABOUT 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)
2:26 am EDT Aug 29, 2026
4am EDT Aug 29, 2026-6pm EDT Sep 4, 2026


