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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

81°F

27°C

Humidity 51%
Wind Speed S 7 mph
Barometer 29.75 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Jun 7:47 pm EDT
Extended Forecast for

2 Miles ESE Ijamsville MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Breezy, with a west wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 65. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.

    Low: 65 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 18 mph.

    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 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 69. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Breezy, with a west wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 65. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 61. Northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 82. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Ijamsville MD
 39.32°N 77.27°W (Elev. 551 ft)
Last Update:
7:53 pm EDT Jun 17, 2026
Forecast Valid:
8pm EDT Jun 17, 2026-6pm EDT Jun 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