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 >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

46°F

8°C

Humidity 83%
Wind Speed Calm
Barometer 30.42 in (1029.8 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 9 Apr 7:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: Mostly sunny, with a high near 74. Northeast wind around 5 mph becoming calm.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Calm wind becoming southwest around 5 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming north around 5 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 74. Northeast wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 46. Calm wind becoming southwest around 5 mph after midnight.
Friday
Sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 51. Calm wind.
Saturday
Sunny, with a high near 81. Calm wind becoming north around 5 mph.
Saturday Night
Mostly clear, with a low around 54. Northeast wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 84. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
Last Update:
7:26 am EDT Apr 9, 2026
Forecast Valid:
8am 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