National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
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Current Conditions

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Harpers Ferry WV

7 Day Forecast

Today

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 25 °C

Tonight

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 17 °C

Sunday

Patchy Fog

Patchy
Fog

High: 28 °C

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 15 °C

Monday

Sunny

Sunny

High: 26 °C

Monday
Night

Mostly Clear

Mostly
Clear

Low: 13 °C

Tuesday

Sunny

Sunny

High: 28 °C

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 15 °C

Wednesday

Sunny

Sunny

High: 30 °C

Detailed Forecast

  • Today Showers likely. Cloudy, with a high near 25. East wind 8 to 11 km/h. Chance of precipitation is 70%. New precipitation amounts between 5 and 7.5 mm possible.
  • Tonight A chance of showers before 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 17. East wind 5 to 13 km/h. Chance of precipitation is 40%.
  • Sunday Patchy fog before 11am. Otherwise, mostly sunny, with a high near 28. East wind 5 to 10 km/h.
  • Sunday Night Mostly clear, with a low around 15. Calm wind.
  • Monday Sunny, with a high near 26. Calm wind becoming southeast 5 to 10 km/h in the morning.
  • Monday Night Mostly clear, with a low around 13.
  • Tuesday Sunny, with a high near 28.
  • Tuesday Night Mostly clear, with a low around 15.
  • Wednesday Sunny, with a high near 30.
  • Wednesday Night Partly cloudy, with a low around 18.
  • Thursday A chance of showers and thunderstorms. Mostly sunny, with a high near 29. Chance of precipitation is 30%.
  • Thursday Night Partly cloudy, with a low around 17.
  • Friday A chance of showers and thunderstorms. Mostly sunny, with a high near 27. Chance of precipitation is 30%.