Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

64°F

18°C

Humidity 94%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 18 May 3:55 am EDT
Extended Forecast for

Mascot TN

  • Today

    Today: Sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight 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.  Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 86 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 82. Calm wind.  Chance of precipitation is 90%.

    High: 82 °F

    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm.  High near 83. Chance of precipitation is 90%.

    High: 83 °F

    Showers
    Likely then
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm.
Wednesday
A slight 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. Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 70%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 82. Calm wind. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Chance of precipitation is 80%.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mascot TN
 36.06°N 83.76°W (Elev. 879 ft)
2:26 am EDT May 18, 2026
4am EDT May 18, 2026-6pm EDT May 24, 2026
 
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Additional Resources

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