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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

32°F

0°C

Humidity 44%
Wind Speed Vrbl 3 mph
Barometer 30.44 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 18 Mar 11:47 am EDT
Extended Forecast for

Green Valley MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 40. Light and variable wind becoming south around 6 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Southeast wind 3 to 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50. South wind around 7 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Light southeast wind.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm. Partly sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 58 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely before 8am. Partly sunny, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 40. Light and variable wind becoming south around 6 mph.
Tonight
Partly cloudy, with a low around 29. Southeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 50. South wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 36. Light southeast wind.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Saturday
Showers likely before 8am. Partly sunny, with a high near 64. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Green Valley MD
 39.33°N 77.24°W (Elev. 607 ft)
Last Update:
12:00 pm EDT Mar 18, 2026
Forecast Valid:
12pm EDT Mar 18, 2026-6pm EDT Mar 24, 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