Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain from Tropical Storm Moke will begin to impact the Big Island today, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Repeated storms and heavy rainfall may cause flash flooding from the Plains into the Lower MS Valley. Dangerous heat persists across the South. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

79°F

26°C

Humidity 48%
Wind Speed W 7 mph
Barometer 29.90 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 23 Aug 6:47 pm EDT
Extended Forecast for

4 Miles NNW Clarksburg MD

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind around 6 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming west 5 to 9 mph in the morning.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Light northwest wind.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind 3 to 7 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 58. West wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 79. Calm wind becoming west 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 57. Light northwest wind.
Tuesday
Sunny, with a high near 81. West wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 60. Calm wind.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Thursday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Clarksburg MD
 39.27°N 77.3°W (Elev. 495 ft)
4:53 pm EDT Aug 23, 2026
7pm EDT Aug 23, 2026-6pm EDT Aug 30, 2026
 
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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