Weather in Longmont
Current conditions, today's hourly forecast, and a 3-day outlook for Longmont, United States (America/Denver). Data from WeatherAPI.com.
- High / Low
- 10° / 31°
- Wind
- 9 km/h SW
- Humidity
- 26%
- Rain today
- 65%
- UV
- 0
Active alerts
- Red Flag Warning Severe
Red Flag Warning issued May 13 at 11:43AM MDT until May 14 at 9:00PM MDT by NWS Denver CO
Areas: Larimer County Below 6000 Feet/Northwest Weld County; Northeast Weld County; Logan County; Sedgwick County; Phillips County
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The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 9 PM MDT Thursday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 238, 242, 248, 250 and 251. * TIMING...From 11 AM to 9 PM MDT Thursday. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 9 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.
Today, hour by hour
- 23:00 17° 0%
3-day outlook
- Wed 13 May
Patchy rain nearby Rain 65% 10° / 31° - Thu 14 May
Sunny Rain 0% 13° / 29° - Fri 15 May Patchy rain nearby Rain 86% 9° / 28°