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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Overcast

73°F

23°C

Humidity 81%
Wind Speed N 8 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Aug 3:53 am EDT
Extended Forecast for

Cascade MD

  • Today

    Today: Mostly cloudy, with a high near 73. Northeast wind around 10 mph, with gusts as high as 22 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. East wind around 7 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers. Mostly cloudy, with a high near 71. East wind around 6 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 62. Southeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly cloudy, with a high near 76. Southeast wind around 6 mph. Chance of precipitation is 30%.

    High: 76 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 73. Northeast wind around 10 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 61. East wind around 7 mph.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 71. East wind around 6 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 62. Southeast wind around 6 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 76. Southeast wind around 6 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade MD
 39.72°N 77.49°W (Elev. 1398 ft)
Last Update:
4:29 am EDT Aug 18, 2025
Forecast Valid:
4am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
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