Weather Alerts For Louisville, CO
Fire Weather Warning
-URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 324 PM MST Wed Dec 17 2025 Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- 324 PM MST Wed Dec 17 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE WESTERN I-25 CORRIDOR... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE WESTERN I-25 CORRIDOR... The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Friday morning through Friday evening. * AFFECTED AREA...Fire Weather Zones 238, 239 and 240. * TIMING...For the Red Flag Warning, until 6 PM MST this evening. For the Fire Weather Watch, from Friday morning through Friday evening. * WINDS...West 30 to 40 mph with gusts up to 85 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. &&
Fire Weather Watch
-URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 324 PM MST Wed Dec 17 2025 Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- 324 PM MST Wed Dec 17 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE WESTERN I-25 CORRIDOR... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE WESTERN I-25 CORRIDOR... The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Friday morning through Friday evening. * AFFECTED AREA...Fire Weather Zones 238, 239 and 240. * TIMING...For the Red Flag Warning, until 6 PM MST this evening. For the Fire Weather Watch, from Friday morning through Friday evening. * WINDS...West 30 to 40 mph with gusts up to 85 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. &&
High Wind Warning
-URGENT - WEATHER MESSAGE National Weather Service Denver CO 226 PM MST Wed Dec 17 2025 Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Golden, Arvada, Fort Collins, Lakewood, Loveland, Longmont, Hereford, Nunn, and Boulder 226 PM MST Wed Dec 17 2025 ...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... * WHAT...For the High Wind Warning, west winds 30 to 50 mph with gusts 65 to 85 mph expected. For the High Wind Watch, west winds up to 50 mph with gusts up to 80 mph possible. * WHERE...Fort Collins, Longmont, Boulder, and the western suburbs of Denver. * WHEN...For the High Wind Warning, until 7 PM MST this evening. For the High Wind Watch, from Friday morning through Friday afternoon. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Strong winds will likely lead to rapid fire growth of any new fire. Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Avoid outdoor burning or any activity that may cause sparks. The strong winds will likely fuel rapid fire growth. Monitor the latest forecasts and warnings for updates. &&
High Wind Watch
-URGENT - WEATHER MESSAGE National Weather Service Denver CO 226 PM MST Wed Dec 17 2025 Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Golden, Arvada, Fort Collins, Lakewood, Loveland, Longmont, Hereford, Nunn, and Boulder 226 PM MST Wed Dec 17 2025 ...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... * WHAT...For the High Wind Warning, west winds 30 to 50 mph with gusts 65 to 85 mph expected. For the High Wind Watch, west winds up to 50 mph with gusts up to 80 mph possible. * WHERE...Fort Collins, Longmont, Boulder, and the western suburbs of Denver. * WHEN...For the High Wind Warning, until 7 PM MST this evening. For the High Wind Watch, from Friday morning through Friday afternoon. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Strong winds will likely lead to rapid fire growth of any new fire. Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Avoid outdoor burning or any activity that may cause sparks. The strong winds will likely fuel rapid fire growth. Monitor the latest forecasts and warnings for updates. &&