Severe Thunderstorms and Heavy Rainfall Across the Central Plains and Central Appalachians

Severe thunderstorms producing damaging winds, heavy rainfall, hail and possibly a few tornadoes will continue through tonight across portions of Kansas and Oklahoma. Heavy rainfall will persist across the Central Appalachians through tonight, potentially leading to areas of flooding. The severe weather and heavy rainfall threat will shift into the lower Great Lakes on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

72°F

22°C

Humidity 82%
Wind Speed SW 14 mph
Barometer 30.02 in (1015.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 12:53 am EDT
Extended Forecast for

2 Miles NNW Walland TN

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 4am.  Partly cloudy, with a low around 70. Southwest wind around 5 mph.  Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 2pm and 4pm.  Partly sunny, with a high near 86. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Partly cloudy, with a low around 70. Southwest wind around 5 mph.

    Low: 70 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm.  High near 83. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 83 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Low around 67. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Low: 67 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 4am. Partly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly between 2pm and 4pm. Partly sunny, with a high near 86. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 70. Southwest wind around 5 mph.
Juneteenth
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 83. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 86. Calm wind.
Friday Night
Mostly clear, with a low around 66. Calm wind.
Saturday
Sunny and hot, with a high near 90.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny and hot, with a high near 92.
Sunday Night
Mostly clear, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
Monday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Walland TN
 35.75°N 83.82°W (Elev. 1306 ft)
12:42 am EDT Jun 18, 2025
1am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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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