Alert archive / Colorado / High Wind Watches in 2025
High Wind Watch 9, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind watch at Dec 17, 2025, 2:26 PM MST for 12 counties in Colorado. It took effect at Dec 18, 2025, 9:00 PM MST. It was in force for 20 hr.
The area
The counties it named.
The facts
- Issued
- Dec 17, 2025, 2:26 PM MST (21:26 UTC)
- In effect from
- Dec 18, 2025, 9:00 PM MST
- Expired
- Dec 19, 2025, 5:00 PM MST
- In force
- 20 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 82 km from the middle of the area, began a volume at 21:28 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this high wind watch went out at Dec 17, 11:37 AM MST, 2 hours 49 minutes earlier.
Area forecast discussion, Dec 17, 11:37 AM MST, 2 hours 49 minutes before
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</html>Hazardous weather outlook, Dec 17, 10:44 AM MST, 3 hours 42 minutes before
Hazardous Weather Outlook National Weather Service Denver/Boulder CO 1044 AM MST Wed Dec 17 2025 COZ030>051-181745- Jackson County Below 9000 Feet- West Jackson and West Grand Counties Above 9000 Feet- Grand and Summit Counties Below 9000 Feet- South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Central and Southeast Park County- 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- Elbert/Central and East Douglas Counties Above 6000 Feet- Northeast Weld County-Central and South Weld County-Morgan County- Central and East Adams and Arapahoe Counties- North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Southeast Elbert County Below 6000 Feet/South Lincoln County- Logan County-Washington County-Sedgwick County-Phillips County- 1044 AM MST Wed Dec 17 2025 This hazardous weather outlook is for northeast and north central Colorado. .DAY ONE...Today and Tonight Strong downslope winds will impact the mountains, foothills and I-25 corridor this afternoon and evening. Critical fire weather conditions are expected across the lower foothills and adjacent plains this afternoon. This evening, snow will return to the northern mountains, with reduced visibilities and slick roads expected. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday On Thursday, strong winds and blowing dust may impact the northern plains. Gusty downslope winds and periods of elevated to critical fire weather conditions are expected to return to the mountains and foothills Thursday night into Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
In the hours before
Local storm report, Dec 17, 1:10 PM MST, 1 hour 16 minutes before
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</html>Local storm report, Dec 17, 1:59 PM MST, 27 minutes before
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</html>The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 1:35 AM MST | High Wind Watch | BOU | Phillips, Sedgwick | 13 hr |
| Dec 17, 3:24 PM MST | Fire Weather Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 8 more | 35 hr |
Nearby
High Wind Watches in Colorado, 2025Every high wind watch in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.