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.

First day of meteorological fall marked by above-normal temps. across much of U.S.

Above-normal temperatures are forecast across much of the contiguous U.S. on Tuesday and in some cases will be as much as 10-15 degrees above average for this time of year. Afternoon highs could reach 90 or higher from the Great Plains to the Eastern Seaboard. One exception will be across parts of the Pacific Northwest. Remember to practice heat safety if you plan to spend extended time outside.

Hazardous Weather Conditions

Current conditions at

Frederick, Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 302ft.




Humidity 55%
Wind Speed NE 3 mph
Barometer 30.12 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 1 Sep 10:55 am EDT

Detailed Forecast

Rest Of Today
Sunny...hot with highs around 90. North winds around 5 mph.
Partly cloudy. Lows in the upper 60s. West winds around 5 mph.
Partly sunny. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Hot with highs around 90. Northwest winds around 5 mph. Chance of rain 20 percent.
Wednesday Night
Partly cloudy in the evening...then clearing. Lows around 70. Northwest winds around 5 mph.
Mostly sunny. Highs in the upper 80s. North winds around 5 mph.
Thursday Night
Partly cloudy. Lows in the upper 60s.
Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.
Friday Night
Mostly cloudy. Lows in the mid 60s.
Mostly sunny. Highs in the lower 80s.
Saturday Night
Partly cloudy. Lows in the lower 60s.
Mostly sunny. Highs in the mid 80s.
Sunday Night
Mostly clear. Lows in the lower 60s.
Labor Day
Mostly sunny. Highs in the upper 80s.

  Click Map For Detailed Forecast
1030 AM EDT TUE SEP 1 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