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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

47°F

8°C

Humidity 86%
Wind Speed Calm
Barometer 30.37 in (1027.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 9 Apr 4:53 am EDT
Extended Forecast for

4 Miles SE Tallassee TN

Frost Advisory April 9, 05:21am until April 9, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory April 9, 05:21am until April 9, 09:00am

    NOW until 9:00am Thu

    Frost Advisory

  • Today

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Northeast wind 5 to 10 mph becoming east southeast in the evening.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. East southeast wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. West northwest wind around 7 mph becoming south southeast after midnight.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68. Southeast wind around 7 mph becoming northwest in the morning.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 60. East southeast wind 5 to 10 mph becoming west northwest in the afternoon.
Tonight
Mostly clear, with a low around 43. Northeast wind 5 to 10 mph becoming east southeast in the evening.
Friday
Sunny, with a high near 64. East southeast wind 5 to 8 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 47. West northwest wind around 7 mph becoming south southeast after midnight.
Saturday
Sunny, with a high near 68. Southeast wind around 7 mph becoming northwest in the morning.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 72.
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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:
3:10 am EDT Apr 9, 2026
Forecast Valid:
5am EDT Apr 9, 2026-6pm EDT Apr 15, 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