On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

Users are encouraged to continue to provide comments regarding these changes via email at icons@noaa.gov. NWS will continue to analyze incoming feedback and refine the icons as necessary. Any substantial change to the icons will be facilitated through the NWS public comment/review process.

Strong Thunderstorms Possible for Portions of the Great Lake States

Storms over the Great Lake States may contain heavy rain and strong winds. More thunderstorms are possible over the Desert Southwest and central Plains. High fire danger continues in the Great Basin. Very warm and humid conditions continue across the south, southeast and mid-Atlantic states.
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Current conditions at

Washington DC, Washington-Dulles International Airport (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

77°F

25°C

Humidity 71%
Wind Speed NW 5 mph
Barometer 29.92 in (1012.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 4 Sep 12:52 am EDT

Detailed Forecast

Overnight
Partly cloudy. Lows in the lower 70s. Northwest winds around 5 mph.
Friday
Partly sunny. Scattered showers and thunderstorms in the afternoon. Hot with highs around 90. Northeast winds 5 to 10 mph. Chance of rain 40 percent.
Friday Night
Mostly cloudy. Isolated showers and thunderstorms in the evening...then isolated showers after midnight. Lows in the upper 60s. East winds 5 to 10 mph. Chance of rain 20 percent.
Saturday
Mostly cloudy in the morning...then becoming mostly sunny. Highs in the lower 80s. East winds 5 to 10 mph.
Saturday Night
Mostly clear in the evening...then becoming partly cloudy. Lows in the mid 60s. East winds 5 to 10 mph... Becoming northeast after midnight.
Sunday
Partly sunny. Highs in the lower 80s.
Sunday Night
Partly cloudy. Lows in the upper 60s.
Labor Day
Mostly sunny. Highs in the mid 80s.
Monday Night
Partly cloudy. Lows in the upper 60s.
Tuesday
Mostly sunny. Highs in the upper 80s.
Tuesday Night
Partly cloudy. Lows around 70.
Wednesday
Mostly sunny. Highs in the upper 80s.
Wednesday Night
Partly cloudy. Lows in the upper 60s.
Thursday
Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 30 percent.



  Click Map For Detailed Forecast
130 AM EDT FRI SEP 4 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database