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Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fog/Mist

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 13 Aug 11:15 am EDT
Extended Forecast for

2 Miles W Blaine TN

Flood Watch August 13, 11:27am until August 13, 08:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 13, 11:27am until August 13, 08:00pm

    NOW until 8:00pm Wed

    Flood Watch

  • Today

    High: 86 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Heat index values as high as 95. Calm wind.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before noon. Mostly cloudy, with a high near 86. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 70. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Heat index values as high as 95. Calm wind.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind.
Friday
Mostly sunny and hot, with a high near 91. Calm wind.
Friday Night
Partly cloudy, with a low around 70. Calm wind.
Saturday
Sunny and hot, with a high near 92. Calm wind.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny and hot, with a high near 93.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny and hot, with a high near 93.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Blaine TN
 36.15°N 83.73°W (Elev. 1007 ft)
Last Update:
10:47 am EDT Aug 13, 2025
Forecast Valid:
11am EDT Aug 13, 2025-6pm EDT Aug 19, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation