National Weather Service United States Department of Commerce

Heavy lake-effect snow continues across lower Great Lakes

Another round of heavy lake-effect snow is forecast for the Great Lakes through mid-day Friday. An additional 30 inches or more could fall in some locations, on top of the impressive amounts that have fallen already. This will result in very difficult or nearly impossible travel at times in the heaviest snow bands. The snow should taper off during the morning on Friday.
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Current Conditions

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Longmont CO

7 Day Forecast

For More Weather Information:

Denver-Boulder, CO Local Forecast Office

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 23 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 52 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 25 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 56 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 27 °F

Sunday

Breezy

Breezy

High: 40 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 18 °F

Monday

Breezy

Breezy

High: 38 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 20 °F

Detailed Forecast

  • Tonight Mostly cloudy, with a low around 23. Light and variable wind.
  • Friday Mostly sunny, with a high near 52. Calm wind becoming east northeast around 5 mph.
  • Friday Night Partly cloudy, with a low around 25. West wind around 5 mph.
  • Saturday Mostly sunny, with a high near 56. West southwest wind 6 to 9 mph.
  • Saturday Night Mostly cloudy, with a low around 27. West wind around 8 mph.
  • Sunday Partly sunny, with a high near 40. Breezy.
  • Sunday Night Mostly cloudy, with a low around 18.
  • Monday Partly sunny, with a high near 38. Breezy.
  • Monday Night Mostly cloudy, with a low around 20.
  • Tuesday Partly sunny, with a high near 41.
  • Tuesday Night Partly cloudy, with a low around 21.
  • Wednesday Mostly sunny, with a high near 48.
  • Wednesday Night A slight chance of snow. Mostly cloudy, with a low around 20.
  • Thanksgiving Day A slight chance of snow. Partly sunny, with a high near 36.