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

Spring Severe Thunderstorms, Excessive Rainfall, and Heavy Snow Today

Scattered severe thunderstorms are expected this afternoon and evening from eastern Texas into the lower Mississippi and Tennessee Valleys/southern Appalachians. Heavy to excessive rainfall may produce flash flooding from the lower Mississippi River Valley into the southern Appalachians today. A late-season snowstorm will continue heavy snow over parts of the central Rockies through today. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Overcast

72°F

22°C

Humidity 83%
Wind Speed SW 10 G 21 mph
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 6 May 1:35 pm EDT
Extended Forecast for

Decatur TNSimilar City Names

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 74. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 54. Calm wind. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Heavy Rain

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 71. North wind around 5 mph.

    High: 71 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. Calm wind.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 74. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 54. Calm wind. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 71. North wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 73. Calm wind.
Friday Night
Partly cloudy, with a low around 49. Calm wind.
Saturday
Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 54.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
Monday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 45. Chance of precipitation is 10%.
Tuesday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur TNSimilar City Names
 35.52°N 84.79°W (Elev. 778 ft)
Last Update:
1:06 pm EDT May 6, 2026
Forecast Valid:
1pm EDT May 6, 2026-6pm EDT May 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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