Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

86°F

30°C

Humidity	59%
Wind Speed	Calm
Barometer	29.99 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	19 Aug 7:15 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Decatur TN

Tonight
Low: 70 °F
Partly Cloudy
then Slight
Chance
T-storms
Thursday
High: 91 °F
Chance
T-storms then
Slight Chance
T-storms
Thursday Night
Low: 70 °F
Chance
T-storms then
Chance
Showers
Friday
High: 89 °F
Showers
Likely
Friday Night
Low: 68 °F
Showers
Likely then
Partly Cloudy
Saturday
High: 90 °F
Hot
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 65 °F
Mostly Clear

Detailed Forecast

Tonight

A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 70. Calm wind.

Thursday

A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Heat index values as high as 96. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.

Saturday

Mostly sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph.

Saturday Night

Mostly clear, with a low around 66. Calm wind.

Sunday

Sunny, with a high near 89.

Sunday Night

Mostly clear, with a low around 65.

Monday

Mostly sunny, with a high near 88.