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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 >

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

81°F

27°C

Humidity 72%
Wind Speed W 10 mph
Barometer 29.90 in (1012.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Aug 6:53 pm EDT
Extended Forecast for

3 Miles ENE Hancock MD

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 65. North wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 2pm and 5pm. Mostly cloudy, with a high near 77. North wind around 7 mph. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 63. Light southeast wind. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 65. North wind 3 to 6 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers between 2pm and 5pm. Mostly cloudy, with a high near 77. North wind around 7 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Tuesday
A chance of showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 63. Light southeast wind. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 62.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Hancock MD
 39.71°N 78.13°W (Elev. 696 ft)
Last Update:
7:29 pm EDT Aug 17, 2025
Forecast Valid:
7pm EDT Aug 17, 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