National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns for a Large Part of the Central U.S.; Severe Weather in the Central Plains

Dry and windy conditions will bring widespread fire weather concerns to the northern/central Plains and portions of the Southwest into the southern Plains. Severe thunderstorms with large hail and damaging wind gusts are possible over the central Plains today into this weekend. Rain and high elevation snow is expected over parts of the Cascades and Northern Intermountain Region through Saturday. Read More >

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

70°F

21°C

Humidity 27%
Wind Speed N 12 G 20 mph
Barometer 30.01 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 14 May 5:15 pm EDT
Extended Forecast for

Decatur TN

  • Tonight

    Tonight: Clear, with a low around 42. North wind 5 to 10 mph becoming light northeast in the evening.

    Low: 42 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming southwest around 5 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 90. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 90 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. South wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 42. North wind 5 to 10 mph becoming light northeast in the evening.
Friday
Sunny, with a high near 79. Calm wind becoming southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 51. Calm wind.
Saturday
Mostly sunny, with a high near 85. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 59. Calm wind.
Sunday
Mostly sunny and hot, with a high near 90. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 61. South wind around 5 mph becoming calm.
Monday
Sunny and hot, with a high near 91.
Monday Night
Mostly clear, with a low around 63.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur TN
 35.52°N 84.79°W (Elev. 778 ft)
Last Update:
2:26 pm EDT May 14, 2026
Forecast Valid:
5pm EDT May 14, 2026-6pm EDT May 21, 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