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

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

73°F

23°C

Humidity 89%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 6:55 am EDT
Extended Forecast for

3 Miles SW Mohawk TN

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm.  Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Light southwest wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before midnight.  Low around 70. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny and hot, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms

  • Friday

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

    High: 88 °F

    Slight Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before midnight. Low around 70. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 89. Calm wind.
Wednesday Night
Partly cloudy, with a low around 67. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Friday 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 66. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Mohawk TN
 36.17°N 83.09°W (Elev. 1099 ft)
7:06 am EDT Aug 17, 2026
7am EDT Aug 17, 2026-6pm EDT Aug 23, 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