5 miles northwest of Yampa, Colorado.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GJT wrote it up.
The Crosho Fire started in early to mid August due to an undetermined cause 7.5 miles northwest of Yampa, Colorado.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Junction, CO wrote its last area forecast discussion before the first event at Aug 11, 1:27 PM MST, 58 minutes earlier. Its key messages:
Area Forecast Discussion National Weather Service Grand Junction CO 227 PM MDT Mon Aug 11 2025 .KEY MESSAGES... - Smoke will continue to affect areas to the south and southwest of the Lee and Stoner Fires through tomorrow morning. - Near normal temperatures today will return to well above normal by midweek. - Mountain thunderstorms will be possible over the central and south on Tuesday with lightning and gusty winds the main threats. && .SHORT TERM /THROUGH TUESDAY NIGHT/... Issued at 151 PM MDT Mon Aug 11 2025 A relatively quiet weather day is expected across the region except for that smoke. The Lee and Stoner Fires continue pumping smoke into the atmosphere and with northerly flow in place, areas to the south of the fires are having to deal with this smoke and haze. The HRRR is showing the smoke taking a more southwesterly turn this evening and overnight so the central and southern valleys will see an uptick in smoke. Oh joy. Tomorrow, wind flow just across the New Mexico border becomes more southerly and will tap into some moisture to our southeast. Models are suggesting this moisture will be enough to allow some isolated convection to fire over the San Juans and maybe along the spine of the the Continental Divide. Chances are on the order of 30 to 50% chance so it's not a slam dunk. That being said, don't anticipate much in the way of wetting rain as opposed to gusty outflow winds and some lightning strikes. High temperatures will jump several degrees as the high pressure continues to build in. && .LONG TERM /WEDNESDAY THROUGH SUNDAY/... Issued at 151 PM MDT Mon Aug 11 2025 The pattern Wednesday is dominated by high pressure over the Desert Southwest keeping any moisture to the south over New Mexico and Arizona. With the high extending up over eastern Utah and Western Colorado, temperatures will run five to eight degrees above normal under mostly clear skies. A trough digs south along the Pacific Coast through the day to start pushing the high pressure east letting a little moisture to slip in under the high for a few isolated afternoon showers and thunderstorms possible over the San Juan mountains to the south. As this trough continues to dig into Great Basin and Desert Southwest Thursday, the high slides east over the Panhandle of Texas opening the door to limited increased moisture moving into the region. A shortwave disturbance moving through the trough will be enough for scattered afternoon showers and thunderstorms over the San Juan Mountains and to the northwest over the Uintas with isolated thunderstorms in the central and northern Colorado mountains mostly along the Divide. These storms will produce little if any rain, lightning and gusty outflow winds. With yet more moisture in the region Friday and another shortwave disturbance moving through the trough, scattered showers and thunderstorms will develop over the higher terrain of eastern Utah and Western Colorado with numerous storms in the San Juans. Look for cooler, near normal temperatures with the increased clouds, shower activity and the influence of the trough pushing east over the region. Showers will linger through the evening and overnight period. This convection has a 50% chance of producing wetting rain in the southern mountains and 30% chances in the central mountains, but again, lightning and gusty winds will be the primary impacts. Saturday will see another round of scattered to numerous showers and thunderstorms over the high terrain with 20-40% chances for wetting rain before the trough moving in from the west pushes the moisture east of the divide. Isolated afternoon showers and thunderstorms will be possible Sunday and Monday due to lingering moisture and instability from the trough moving across the region. && .AVIATION /18Z TAFS THROUGH 18Z TUESDAY/... Issued at 1130 AM MDT Mon Aug 11 2025 Expect VFR conditions under mostly clear skies through the TAF period. The exceptions will be possible smoke from local wildfires reducing visibilities at KDRO, KRIL and KASE. Winds will generally be west to northwest with gusts to 20 kts through 01Z and light terrain driven there after. && .GJT WATCHES/WARNINGS/ADVISORIES... CO...None. UT...None. && SHORT TERM...TGR LONG TERM...DB AVIATION...DB
Hazardous Weather Outlook National Weather Service Grand Junction CO 313 AM MDT Mon Aug 11 2025 COZ001>014-017>023-UTZ022>025-027>029-120915- Lower Yampa River Basin-Central Yampa River Basin- Roan and Tavaputs Plateaus-Elkhead and Park Mountains- Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor- Central Colorado River Basin-Grand and Battlement Mesas- Gore and Elk Mountains/Central Mountain Valleys- Central Gunnison and Uncompahgre River Basin- West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley- Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains- Southwest San Juan Mountains-Paradox Valley/Lower Dolores River- Four Corners/Upper Dolores River-Animas River Basin- San Juan River Basin-Southeast Utah-Eastern Uinta Mountains- Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat- La Sal and Abajo Mountains-Canyonlands/Natural Bridges- 313 AM MDT Mon Aug 11 2025 This Hazardous Weather Outlook is for northwest Colorado, southwest Colorado, west central Colorado, east central Utah, northeast Utah and southeast Utah. .DAY ONE...Today and tonight. Localized critical fire weather conditions remain in place over the Four Corners region of southwest Colorado today. Smoke from local wildfires will also impact visibility and air quality at times over the next 24 hours. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Mountain thunderstorm development will be possible the through mid week before a better push of moisture arrives late in the week for an increased coverage of storms. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The national radar mosaic for the moment the first event began.
2 wildfire. Local standard time, as filed.
The Crosho Fire started in early to mid August due to an undetermined cause 7.5 miles northwest of Yampa, Colorado. The fire grew to 2,073 acres before it was contained in late August. The estimated cost to date was $10,200,000.
The Crosho Fire started in early to mid August due to an undetermined cause 7.5 miles northwest of Yampa, Colorado. The fire grew to 2,073 acres before it was contained in late August. The estimated cost to date was $10,200,000.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2025Every state in 2025This day in weather historyWarnings in Colorado, August 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1288024, 1288025.