Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

83°F

28°C

Humidity 41%
Wind Speed Vrbl 3 mph
Barometer 30.07 in (1017.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 25 Aug 2:53 pm EDT
Extended Forecast for

2 Miles SE Maryville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. North wind around 5 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Northeast wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. South wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 88 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers.  Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 88. North wind around 5 mph.
Tonight
Mostly clear, with a low around 66. Northeast wind around 5 mph becoming calm.
Wednesday
Mostly sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Friday
A chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Sunday Night
Partly cloudy, with a low around 70.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Maryville TN
 35.73°N 83.94°W (Elev. 1033 ft)
2:26 pm EDT Aug 25, 2026
3pm EDT Aug 25, 2026-6pm EDT Aug 31, 2026
 
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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