Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

57°F

14°C

Humidity 83%
Wind Speed NE 3 mph
Barometer 29.91 in (1012.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Apr 5:53 am EDT
Extended Forecast for

4 Miles SE Tallassee TN

  • Today

    Today: Mostly sunny, with a high near 72. Southeast wind 9 to 14 mph becoming southwest in the morning. Winds could gust as high as 25 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely.  Low around 39. West southwest wind 11 to 17 mph becoming north after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers between 11am and noon.  Cloudy through mid morning, then gradual clearing, with a high near 49. North wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 49 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. North northwest wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. Northwest wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 72. Southeast wind 9 to 14 mph becoming southwest in the morning. Winds could gust as high as 25 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely. Low around 39. West southwest wind 11 to 17 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 20 percent chance of showers between 11am and noon. Cloudy through mid morning, then gradual clearing, with a high near 49. North wind 15 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 40. North northwest wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 53. Northwest wind 6 to 13 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Tallassee TN
 35.5°N 83.88°W (Elev. 3720 ft)
6:25 am EDT Apr 18, 2026
6am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
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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