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

McHenry County

Zone Forecast

  • Tonight Partly cloudy. Lows 16 to 20. Southwest winds 10 to 15 mph.
  • Saturday Partly sunny. Highs in the mid 30s. West winds 10 to 15 mph.
  • Saturday Night Chance of snow early in the evening...then snow in the late evening and overnight. Snow accumulation of 2 to 4 inches. Lows in the lower 20s. Northeast winds 5 to 10 mph in the evening increasing to 10 to 20 mph after midnight. Chance of precipitation 90 percent.
  • Sunday Snow. Areas of blowing snow. Several inches of accumulation possible. Blustery. Highs in the mid 20s. Northeast winds 15 to 25 mph with gusts up to 30 mph. Chance of precipitation 90 percent.
  • Sunday Night Mostly cloudy. Snow likely in the evening...then a slight chance of snow showers after midnight. Areas of blowing snow. Some snow accumulation possible. Blustery. Lows 4 to 8 above. Wind chills as low as zero to 10 below zero. North winds 15 to 25 mph with gusts up to 30 mph. Chance of precipitation 60 percent.
  • Monday Mostly sunny in the morning then becoming partly cloudy. Highs 13 to 17.
  • Monday Night Mostly cloudy with a 30 percent chance of light snow. Lows 5 to 9 above. Then temperatures becoming steady or slowly rising.
  • Tuesday Mostly cloudy. Highs in the upper 20s.
  • Tuesday Night Mostly cloudy with a 30 percent chance of light snow. Lows around 20.
  • Wednesday Partly sunny. Highs in the mid 20s. Then temperatures falling into the upper teens by evening.
  • Wednesday Night Partly cloudy with a 30 percent chance of light snow. Lows 2 to 6 above.
  • Thursday And Thursday Night Mostly clear. Highs 10 to 14. Lows zero to 4 below.
  • Friday Mostly sunny in the morning then becoming partly cloudy. Highs 15 to 19.