National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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Current Conditions

Jefferson County

Zone Forecast

  • Today Warmer. Partly sunny. High in the upper 50s to mid 60s. South wind 10 to 15 mph.
  • Tonight Warmer. Partly cloudy in the evening then becoming mostly cloudy. Low in the mid 50s. Southwest wind 10 to 15 mph.
  • Sunday Mostly cloudy with a 20 percent chance of rain. High in the mid 60s. Temperature falling into the 50s in the afternoon. Southwest wind 10 to 15 mph.
  • Sunday Night Much colder. Cloudy. Chance of rain in the evening...then chance of freezing rain...possibly mixed with rain after midnight. Low in the mid 20s. North wind 10 to 15 mph. Chance of precipitation 30 percent.
  • Monday Much colder. Mostly cloudy in the morning and early afternoon then becoming partly sunny. A 30 percent chance of freezing rain. High around 30. North wind 10 to 15 mph.
  • Monday Night Partly cloudy. Low around 20.
  • Tuesday Partly cloudy. High around 40.
  • Tuesday Night And Wednesday Partly cloudy. Low around 30. High in the upper 40s.
  • Wednesday Night Mostly cloudy with a 30 percent chance of rain...possibly mixed with snow. Low in the mid 30s.
  • Thursday Mostly cloudy with a 40 percent chance of rain... Possibly mixed with snow. High in the upper 40s.
  • Thursday Night Cloudy with a 40 percent chance of rain. Low in the upper 30s.
  • Friday Mostly cloudy with a 30 percent chance of rain... Possibly mixed with snow. High around 50.