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

56°F

13°C

Humidity 60%
Wind Speed Calm
Barometer 30.33 in (1026.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 9 Apr 12:53 am EDT
Extended Forecast for

Maryville TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. East wind around 5 mph becoming north.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Saturday

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

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. East wind around 5 mph becoming north.
Thursday
Mostly sunny, with a high near 74. Calm wind.
Thursday Night
Mostly clear, with a low around 45. Calm wind.
Friday
Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 50. Calm wind.
Saturday
Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 53. Calm wind.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 86. Breezy.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.76°N 83.96°W (Elev. 994 ft)
Last Update:
1:06 am EDT Apr 9, 2026
Forecast Valid:
1am 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