National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rain Coming to Drought-Stricken Southern U.S.

A storm tracking across the Southern U.S. will bring heavy to excessive rainfall over portions of west-central Texas into tonight then from central Texas through the central Gulf Coast on Friday. The Southeast U.S. will see heavier rain Saturday. While much of this rainfall will be beneficial to the drought, excessive rainfall may bring areas of flash and urban flooding. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

66°F

19°C

Humidity 34%
Wind Speed NW 5 G 17 mph
Barometer 29.94 in (1013.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 30 Apr 2:53 pm EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 68. North wind around 10 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 47. North wind 5 to 10 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 71. Calm wind becoming west around 5 mph in the afternoon.

    High: 71 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly after 2am. Cloudy, with a low around 48. North wind around 5 mph.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 62. Northeast wind around 10 mph.

    High: 62 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 10 percent chance of showers before 8pm. Mostly clear, with a low around 40. North wind 5 to 10 mph.

    Low: 40 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 75. Breezy.

    High: 75 °F

    Sunny then
    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 68. North wind around 10 mph.
Tonight
Increasing clouds, with a low around 47. North wind 5 to 10 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 71. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 40 percent chance of showers, mainly after 2am. Cloudy, with a low around 48. North wind around 5 mph.
Saturday
A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 62. Northeast wind around 10 mph.
Saturday Night
A 10 percent chance of showers before 8pm. Mostly clear, with a low around 40. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 75. Breezy.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 78. Breezy.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
Last Update:
2:26 pm EDT Apr 30, 2026
Forecast Valid:
3pm EDT Apr 30, 2026-6pm EDT May 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation