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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

69°F

21°C

Humidity 41%
Wind Speed S 6 mph
Barometer 30.20 in (1021.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 13 Apr 12:53 am EDT
Extended Forecast for

4 Miles ESE Tallassee TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 68. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. South wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. South wind around 15 mph, with gusts as high as 30 mph.
Monday
Mostly cloudy, with a high near 68. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 69. South wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 71. South wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 57. Southeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 69.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 73.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Tallassee TN
 35.53°N 83.87°W (Elev. 4177 ft)
Last Update:
1:06 am EDT Apr 13, 2026
Forecast Valid:
1am EDT Apr 13, 2026-6pm EDT Apr 19, 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