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Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

43°F

6°C

Humidity 89%
Wind Speed NE 3 mph
Barometer 30.29 in (1025.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 21 Apr 3:53 am EDT
Extended Forecast for

4 Miles SE Tallassee TN

Frost Advisory until April 21, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 21, 09:00am

    NOW until 9:00am Tue

    Frost Advisory

  • Overnight

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. West wind around 7 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. South wind around 9 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. West wind around 7 mph becoming south southeast after midnight.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 40. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 63. West wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 50. South wind around 9 mph.
Wednesday
Sunny, with a high near 65. West wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 50. West wind around 7 mph becoming south southeast after midnight.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly sunny, with a high near 67.
Friday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 56.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 62. Chance of precipitation is 80%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 65.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Tallassee TN
 35.5°N 83.88°W (Elev. 3720 ft)
Last Update:
2:23 am EDT Apr 21, 2026
Forecast Valid:
4am EDT Apr 21, 2026-6pm EDT Apr 27, 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