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Heavy Rains and Potential for Flash Floods

Severe thunderstorms with damaging winds and heavy rains will be possible from the Ohio Valley to the Northeast Tuesday. In addition, heavy rains possible in the central Plains and southern Rockies. Heavy rain threat moves into the southern Mid-Atlantic Wednesday. Dry conditions remain out west where isolated dry thunderstorms could exacerbate ongoing fires and start new fires. Read More >

Hazardous Weather Conditions

Current conditions at

Gwinnett County Airport-Briscoe Field (KLZU)

Lat: 33.98° N Lon: 83.96° W Elev: 1037 ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 22 Aug 9:45 am EDT
Detailed forecast for

Gwinnett County

Today
Patchy fog early then mostly sunny. Slight chance of showers and thunderstorms early this afternoon. Chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 30 percent.
Tonight
Partly cloudy. Lows in the lower 70s. Light west winds.
Wednesday
A chance of showers and thunderstorms in the morning...becoming likely in the afternoon. Highs around 90. West winds 5 to 15 mph. Chance of rain 60 percent.
Wednesday Night
Showers and thunderstorms likely in the evening...then partly cloudy after midnight. Lows in the upper 60s. Northwest winds up to 10 mph. Chance of rain 60 percent.
Thursday
Mostly sunny. Highs in the upper 80s. North winds 5 to 10 mph.
Thursday Night
Mostly clear. Lows in the upper 60s.
Friday
Sunny. Highs in the mid 80s.
Friday Night
Partly cloudy. Lows in the upper 60s.
Saturday
Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 30 percent.
Saturday Night
Mostly cloudy. Lows in the upper 60s.
Sunday
Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 30 percent.
Sunday Night
Mostly cloudy. Lows in the upper 60s.
Monday
Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 30 percent.



Click Map For Forecast
319 AM EDT Tue Aug 22 2017
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database