National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

84°F

29°C

Humidity 51%
Wind Speed N 7 mph
Barometer 29.90 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Aug 6:47 pm EDT
Extended Forecast for

3 Miles NNE Mount Airy MD

  • Tonight

    Tonight: Partly cloudy, with a low around 61. North wind 5 to 7 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Light east wind.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 67. Light southeast wind.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. Light east wind.
Tuesday Night
Mostly cloudy, with a low around 67. Light southeast wind.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Mount Airy MD
 39.41°N 77.14°W (Elev. 650 ft)
Last Update:
4:53 pm EDT Aug 3, 2026
Forecast Valid:
7pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation