National Weather Service United States Department of Commerce

Winter Storm from the Mexican Border in Texas to southern New England through Thursday

A widespread winter weather event is underway from southwest Texas into parts of southern New England. Most locations will see moderate to heavy rainfall before changing over during the overnight hours. Sleet and freezing rain are expected from south/central Texas into the Southeast while significant snowfall is expected from the southern Plains across the Mid-Atlantic into New England.
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Hazardous Weather Conditions

Current Conditions

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Longmont CO

7 Day Forecast

For More Weather Information:

Denver-Boulder, CO Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 2 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 39 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 16 °F

Friday

Sunny

Sunny

High: 47 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 19 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 50 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 22 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 52 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 21 °F

Detailed Forecast

  • Overnight Mostly clear, with a steady temperature around 2. Calm wind.
  • Thursday Mostly sunny, with a high near 39. Light south southeast wind.
  • Thursday Night Mostly clear, with a low around 16. West southwest wind 3 to 6 mph.
  • Friday Sunny, with a high near 47. Light and variable wind becoming west southwest around 5 mph.
  • Friday Night Partly cloudy, with a low around 19. West wind around 6 mph.
  • Saturday Mostly sunny, with a high near 50.
  • Saturday Night Partly cloudy, with a low around 22.
  • Sunday Mostly sunny, with a high near 52.
  • Sunday Night Mostly clear, with a low around 21.
  • Monday Sunny, with a high near 57.
  • Monday Night Mostly clear, with a low around 25.
  • Tuesday Sunny, with a high near 62.
  • Tuesday Night Mostly clear, with a low around 29.
  • Wednesday Mostly sunny, with a high near 60.