National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

85°F

29°C

Humidity 63%
Wind Speed SW 14 mph
Barometer 30.08 in (1017.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 27 Jun 10:53 am EDT
Extended Forecast for

4 Miles WSW Walland TN

Flood Watch June 27, 08:00pm until June 28, 11:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. High near 86. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 70. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    T-storms then
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 11am, then showers and thunderstorms likely, mainly after 3pm. High near 87. Heat index values as high as 96. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Mostly sunny and hot, with a high near 90. Calm wind. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Calm wind becoming north around 5 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. High near 86. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 70. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm before 11am, then showers and thunderstorms likely, mainly after 3pm. High near 87. Heat index values as high as 96. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Mostly sunny and hot, with a high near 90. Calm wind. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 73. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Calm wind becoming north around 5 mph.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Walland TN
 35.71°N 83.88°W (Elev. 1319 ft)
Last Update:
9:46 am EDT Jun 27, 2026
Forecast Valid:
11am EDT Jun 27, 2026-6pm EDT Jul 3, 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