Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Hazardous Weather Conditions

Current conditions at

Sevierville Gatlinburg - Pigeon Forge Airport (KGKT)

Lat: 35.86°NLon: 83.53°WElev: 1001ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 17 Aug 1:36 am EDT
Extended Forecast for

3 Miles N Cosby TN

  • Overnight

    Overnight: Mostly clear, with a low around 74. Southwest wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Sunny, with a high near 89. Heat index values as high as 95. West wind 5 to 10 mph.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am.  Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming northwest around 5 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 2am.  Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Southwest wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Sunny, with a high near 89. Heat index values as high as 95. West wind 5 to 10 mph.
Monday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 69. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind becoming northwest around 5 mph.
Wednesday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 71. Calm wind.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Cosby TN
 35.87°N 83.26°W (Elev. 1257 ft)
1:06 am EDT Aug 17, 2026
1am EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database