Longmont, CO

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Weather Forecast for Longmont

Washington's Birthday

A 50 percent chance of snow, mainly before 2pm. Cloudy, with a high near 16. Wind chill values as low as -6. East wind around 8 mph. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow likely, mainly after 11pm. Cloudy, with a low around 8. Wind chill values as low as -2. North northeast wind 5 to 7 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Tuesday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 21. Wind chill values as low as -2. Northeast wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Tuesday Night

A 40 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values as low as -3. North northeast wind around 5 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

Wednesday

Mostly sunny, with a high near 34. West wind 5 to 8 mph.

Wednesday Night

Mostly cloudy, with a low around 9.

Thursday

A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 31.

Thursday Night

A slight chance of snow. Mostly cloudy, with a low around 14.

Friday

A slight chance of snow. Mostly cloudy, with a high near 27.

Friday Night

Mostly cloudy, with a low around 11.

Saturday

Partly sunny, with a high near 41.

Saturday Night

Partly cloudy, with a low around 17.

Sunday

Mostly sunny, with a high near 44.