Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Mostly Cloudy

71°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 31 Aug 3:35 am EDT
Extended Forecast for

Middletown MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. Light north wind.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 11am and 2pm, then scattered showers and thunderstorms after 2pm.  Sunny through mid morning, then becoming mostly cloudy, with a high near 87. Northeast wind around 5 mph becoming light and variable  in the afternoon.  Chance of precipitation is 40%.

    High: 87 °F

    Slight Chance
    Showers then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Scattered showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 72. Light southeast wind.  Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Scattered showers and thunderstorms after 2pm.  Sunny, with a high near 93. Heat index values as high as 101. Light west wind increasing to 5 to 9 mph in the morning.  Chance of precipitation is 40%.

    High: 93 °F

    Sunny then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms before 11pm, then a slight chance of showers after 2am.  Mostly clear, with a low around 73. West wind 3 to 6 mph.  Chance of precipitation is 40%.

    Low: 73 °F

    Scattered
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Partly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 95. Chance of precipitation is 20%.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers.  Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. Light north wind.
Monday
A slight chance of showers between 11am and 2pm, then scattered showers and thunderstorms after 2pm. Sunny through mid morning, then becoming mostly cloudy, with a high near 87. Northeast wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 40%.
Monday Night
Scattered showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. Light southeast wind. Chance of precipitation is 30%.
Tuesday
Scattered showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 101. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms before 11pm, then a slight chance of showers after 2am. Mostly clear, with a low around 73. West wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Thursday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Middletown MD
 39.43°N 77.54°W (Elev. 499 ft)
2:22 am EDT Aug 31, 2026
3am EDT Aug 31, 2026-6pm EDT Sep 6, 2026
 
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Additional Resources

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