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Weather Alerts for Longmont, CO

Boulder County, Colorado

Longmont is located in Boulder County, Colorado. This page shows active weather alerts affecting Longmont issued by the National Weather Service.

NWS Forecast Office: Weather alerts for this area are issued by the National Weather Service BOU office.

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Active Alerts for Longmont

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Active Alert Map — Colorado

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Weather Overview for Longmont

Longmont, in Boulder and Weld Counties north of Denver, experiences Colorado Front Range weather: heavy winter snowstorms, severe summer thunderstorms with large hail, occasional tornadoes on the plains, chinook winds, and wildfire weather.

Common alert types for this area:

  • Winter Storm Warning
  • Severe Thunderstorm Warning
  • Tornado Warning
  • High Wind Warning
  • Red Flag Warning

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