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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.

A Few Clouds

82°F

28°C

Humidity 29%
Wind Speed W 13 mph
Barometer 30.25 in (1023.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Apr 1:53 pm EDT
Extended Forecast for

4 Miles SE Maryville TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 88. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 82 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 85 °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. Southwest wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 88. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 64. South wind 5 to 10 mph.
Monday
Mostly cloudy, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 62. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts 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. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 86.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Maryville TN
 35.71°N 83.91°W (Elev. 968 ft)
Last Update:
1:06 pm EDT Apr 12, 2026
Forecast Valid:
2pm EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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