National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Current Conditions

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Keystone CO

7 Day Forecast

For More Weather Information:

Denver-Boulder, CO Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 27 °F

Friday

Sunny

Sunny

High: 55 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 27 °F

Saturday

Slight Chance Rain Chance for Measurable Precipitation 10%

Slight Chc
Rain

High: 56 °F

Saturday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 28 °F

Sunday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 42 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 24 °F

Monday

Chance Rain/Snow

Chance
Rain/Snow

High: 37 °F

Monday
Night

Slight Chance Snow

Slight Chc
Snow

Low: 18 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 27. South wind around 8 mph.
  • Friday Sunny, with a high near 55. Southwest wind 7 to 13 mph.
  • Friday Night Partly cloudy, with a low around 27. Southwest wind 6 to 8 mph.
  • Saturday A 10 percent chance of rain after noon. Mostly sunny, with a high near 56. Southwest wind 5 to 7 mph.
  • Saturday Night A 20 percent chance of snow showers, mainly after midnight. Partly cloudy, with a low around 28. South southwest wind 5 to 8 mph.
  • Sunday A slight chance of snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 20%.
  • Sunday Night A 30 percent chance of snow. Mostly cloudy, with a low around 24.
  • Monday A chance of rain and snow. Partly sunny, with a high near 37.
  • Monday Night A slight chance of snow. Mostly cloudy, with a low around 18.
  • Tuesday Mostly sunny, with a high near 39.
  • Tuesday Night Partly cloudy, with a low around 21.
  • Wednesday Mostly sunny, with a high near 45.
  • Wednesday Night Mostly clear, with a low around 23.
  • Thursday Sunny, with a high near 50.