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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Hazardous Weather Conditions

Current conditions at

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fog/Mist

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 63°F (17°C)
Visibility 0.75 mi
Last update 21 Nov 9:15 am EST
Extended Forecast for

Decatur TNSimilar City Names

  • Today

    Today: A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. South wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 3am, then showers likely and possibly a thunderstorm after 3am. Patchy fog between 9pm and 3am. Otherwise, mostly cloudy, with a low around 60. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 73. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming north around 5 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 1pm. High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. South wind 5 to 10 mph. Chance of precipitation is 30%.
Tonight
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 3am, then showers likely and possibly a thunderstorm after 3am. Patchy fog between 9pm and 3am. Otherwise, mostly cloudy, with a low around 60. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 73. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 66. Calm wind becoming north around 5 mph.
Sunday Night
Mostly clear, with a low around 40. Calm wind.
Monday
Partly sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 52.
Tuesday
Showers, with thunderstorms also possible after 1pm. High near 65. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 62.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 34.
Thanksgiving Day
Mostly sunny, with a high near 50.
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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:
6:06 am EST Nov 21, 2025
Forecast Valid:
9am EST Nov 21, 2025-6pm EST Nov 27, 2025
 
Forecast Discussion
 
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Additional Resources

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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