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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

67°F

19°C

Humidity 41%
Wind Speed SW 10 mph
Barometer 30.21 in (1022.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 13 Apr 2:53 am EDT
Extended Forecast for

4 Miles SW Tallassee TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. Southeast wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 83. Southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Calm wind becoming southeast around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. South wind around 5 mph becoming southwest in the morning.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Calm wind becoming south around 5 mph after midnight.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. Southeast wind around 5 mph.
Monday
Partly sunny, with a high near 83. Southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 61. Calm wind becoming southeast around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 61. South wind around 5 mph.
Wednesday
Mostly sunny, with a high near 87. South wind around 5 mph becoming southwest in the morning.
Wednesday Night
Partly cloudy, with a low around 62. Calm wind becoming south around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A 20 percent chance of showers. Partly sunny and hot, with a high near 91.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Tallassee TN
 35.49°N 83.99°W (Elev. 899 ft)
Last Update:
2:26 am EDT Apr 13, 2026
Forecast Valid:
3am EDT Apr 13, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation