Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

89°F

32°C

Humidity 52%
Wind Speed Vrbl 5 mph
Barometer 29.92 in (1011.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 6 Sep 12:53 pm EDT
Extended Forecast for

4 Miles NW Walland TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm.  Mostly sunny and hot, with a high near 91. Heat index values as high as 99. North wind around 5 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 69. Northeast wind around 5 mph.

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Labor Day

    Labor Day: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 88. Heat index values as high as 95. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 66. East wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Calm wind becoming southeast around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 90. Calm wind becoming west around 5 mph.

    High: 90 °F

    Hot

  • Wednesday Night

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

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. North wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Northeast wind around 5 mph.
Labor Day
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Heat index values as high as 95. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. East wind around 5 mph becoming calm. Chance of precipitation is 30%.
Tuesday
Sunny and hot, with a high near 90. Calm wind.
Tuesday Night
Partly cloudy, with a low around 66. Calm wind becoming southeast around 5 mph.
Wednesday
Sunny and hot, with a high near 90. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 50%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Walland TN
 35.77°N 83.88°W (Elev. 899 ft)
1:06 pm EDT Sep 6, 2026
1pm EDT Sep 6, 2026-6pm EDT Sep 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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