Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

60°F

16°C

Humidity 35%
Wind Speed Vrbl 3 mph
Barometer 30.21 in (1023.1 mb)
Dewpoint 32°F (0°C)
Visibility 9.00 mi
Last update 19 Mar 1:53 pm EDT
Extended Forecast for

5 Miles SW Maryville TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. West wind around 5 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Southwest wind 5 to 10 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 78. West wind 5 to 10 mph.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm.  Mostly clear, with a low around 54. South wind around 5 mph.  Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 2am.  Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 2pm.  Mostly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. West wind around 5 mph.
Tonight
Mostly clear, with a low around 42. Calm wind.
Friday
Mostly sunny, with a high near 72. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 54. Southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. West wind 5 to 10 mph.
Saturday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly clear, with a low around 54. South wind around 5 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers after 2am. Mostly clear, with a low around 57.
Monday
A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A 10 percent chance of showers. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Maryville TN
 35.7°N 84.05°W (Elev. 997 ft)
1:06 pm EDT Mar 19, 2026
2pm EDT Mar 19, 2026-6pm EDT Mar 25, 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