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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

A Few Clouds

68°F

20°C

Humidity 78%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 8:47 am EDT
Extended Forecast for

Monrovia MD

  • Today

    Today: Mostly sunny, with a high near 85. Southwest wind 3 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Light south wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 21 mph.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. South wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 66. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. Southwest wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 69. Light south wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 21 mph.
Thursday
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. South wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 66. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Juneteenth
Mostly sunny, with a high near 83. West wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monrovia MD
 39.36°N 77.26°W (Elev. 449 ft)
Last Update:
7:53 am EDT Jun 17, 2026
Forecast Valid:
9am EDT Jun 17, 2026-6pm EDT Jun 23, 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