National Weather Service United States Department of Commerce

Much needed precipitation continues across the Southwest; central and eastern U.S. prepare for more winter weather

Widespread and much-needed precipitation across the Southwest will begin to spread into the Plains through Saturday. As the moisture encounters an Arctic airmass dropping down through the north-central U.S., moderate to heavy snow is expected to develop across the Midwest Saturday and then move into portions of the Mid-Atlantic and Northeast on Sunday.
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Current Conditions

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Mc Henry MD

7 Day Forecast

For More Weather Information:

Pittsburgh, PA Local Forecast Office

Overnight

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -1 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 20 °F

Saturday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 16 °F

Sunday

Snow Chance for Measurable Precipitation 80%

Snow

High: 34 °F

Sunday
Night

Wintry Mix Chance for Measurable Precipitation 80%

Wintry
Mix

Low: 18 °F

Monday

Wintry Mix Chance for Measurable Precipitation 70%

Wintry
Mix

High: 18 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 2 °F

Tuesday

Partly Sunny

Partly
Sunny

High: 26 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 21 °F

Detailed Forecast

  • Overnight A slight chance of snow showers before 1am. Partly cloudy, with a low around -1. Wind chill values as low as -16. Northwest wind 13 to 16 mph. Chance of precipitation is 20%.
  • Saturday Mostly sunny, with a high near 20. Wind chill values as low as -17. West wind 10 to 14 mph.
  • Saturday Night A chance of snow, mainly after 4am. Mostly cloudy, with a low around 16. West wind 7 to 13 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
  • Sunday Snow, mainly after 10am. High near 34. Southwest wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 80%.
  • Sunday Night Rain and snow before 8pm, then snow, possibly mixed with freezing rain. Low around 18. South wind 5 to 9 mph becoming southwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Monday Snow and freezing rain likely, becoming all snow after 8am. Mostly cloudy, with a high near 18. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Night Mostly cloudy, with a low around 2.
  • Tuesday Partly sunny, with a high near 26.
  • Tuesday Night Mostly cloudy, with a low around 21.
  • Wednesday Mostly cloudy, with a high near 30.
  • Wednesday Night A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
  • Thursday A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
  • Thursday Night Mostly cloudy, with a low around 12.
  • Friday Partly sunny, with a high near 14.