Dry lightning cells are possible throughout the region until the week end.
Fire weather advisory
Month: May 2026
Memorial Day a ‘no burn’ day
Cal CAL FIRE Siskiyou Unit has issued a NO BURN DAY on May 25th
A no-burn day has been declared for Siskiyou County on Monday, May 25th, due to forecasted windy conditions over dry fuels.
#yrekaca#siskiyoucounty#mccloudcalifornia#buttevalley#mtshasta
Portions of E Oregon, N Nevada under critical fire weather advisor
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| Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area Critical 26,627 9,933 No Major Population Center in Risk Area |
| ZCZC SPCFWDDY2 ALL FNUS22 KWNS 240700 Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0200 AM CDT Sun May 24 2026 Valid 251200Z – 261200Z …CRITICAL FIRE WEATHER AREA FOR PORTIONS OF NORTHWESTERN NEVADA INTO SOUTHEASTERN OREGON… …Synopsis… A potent mid-level trough will move onshore of the Pacific Northwest on D2/Monday as a second mid-level trough transitions northeastward across northern New England. Weak troughing will also persist across the lower Mississippi Valley/southern Plains and across the Southwest. Meanwhile, upper-level ridging will remain in place across the Southeast and central/northern Plains. A surface low will track offshore of New England, with a trailing cold front progressing through the Mid-Atlantic before extending southwestward into the southern Plains. A cold front will also begin to advance eastward across the Pacific Northwest in tandem with a deepening surface low. …Great Basin… A strengthening surface pressure gradient ahead of the approaching cold front will promote sustained southwesterly surface winds of 20-25 mph, with above normal temperatures and minimum RH values of 10-15% also expected. Recent fire activity suggests that fuels are becoming more receptive to wildfire spread across this region. Thus, these conditions are expected to support a corridor of critical fire weather concerns from northwestern Nevada into southeastern Oregon Monday afternoon. Sustained southwesterly winds of 15-25 mph overlapping reduced RH of 15-25% will also promote elevated fire weather conditions across adjacent areas of the Great Basin. …Southwest… A mid-level shortwave trough and accompanying subtropical moisture plume will contribute to weak buoyancy atop well-mixed boundary layer profiles. This is expected to support widely scattered, high-based convection across much of northeastern Arizona and western New Mexico Monday afternoon. PWAT values ranging from 0.4-0.7″ (locally up to 1″) and more marginal LCLs ranging from 2-3+ km AGL will likely favor a mix of wet and dry thunderstorms. Given that fuels across the region remain quite dry (ERCs around the 90th percentile), isolated lightning ignitions remain possible. Thus, the 10% dry thunderstorm probability has been maintained for this update. ..Chalmers.. 05/24/2026 …Please see http://www.spc.noaa.gov/fire for graphic product… CLICK FOR DAY 2 FIREWX AREAL OUTLINE PRODUCT (KWNSPFWFD2) |
Fire Savvy: Finding and Navigating Fire Information in California
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Note on busy start to fire season from Siskiyou County Office of Emergency Servicesย
Siskiyou County Office of Emergency Services ยท Follow
2h ยท
Itโs only the beginning of summer, and itโs already been a busy start to fire season across Siskiyou County.
With hot temperatures, dry fuels, and windy conditions, it does not take much for a small mistake to turn into a fast-moving wildfire.
Please help do your part to prevent the next fire:
Avoid outdoor burning on hot or windy days (it can wait)
Check trailer chains so they are not dragging
Never park or drive on dry grass
Use equipment carefully, especially during the heat of the day
Fully extinguish cigarettes and never toss them from a vehicle
Keep defensible space around your home clear and maintained
One spark is all it takes.
Our firefighters and fire partners are already working hard this season. Letโs not make their job harder by causing preventable fires.
Stay alert. Stay prepared. Stay fire smart, Siskiyou. 
Learn more wildfire prevention tips at https://www.readyforwildfire.org/
*photo is from a 2024 fire.
CAL FIRE Siskiyou UnitU.S. Forest Service – Klamath National ForestU.S. Forest Service – Shasta-Trinity National ForestUS National Weather Service Medford OregonSiskiyou County Sheriffโs Office
Evacuaton warning for Frontier fire, 8 miles SE of Montague
Frontier Fire
5800 Block of Harry Cash Rd – Cross of Frontier Dr, Montague
Siskiyou County, CAAcres22.7Containment-
Active โข Updated 7 minutes ago
Created by Watch Duty โข May 18, 2026 at 4:04 PM
Evacuation Warning – Level 2 – Set
SIS-5004
โข
Reporter
7 minutes ago โข May 18 at 5:22 PM
The fire is now 22.7 acres, and there is a line around the fire. The final air tanker has been released per Incident Command.
โข
Regional Captain
28 minutes ago โข May 18 at 5:01 PM
Location of the fire (pin) has been adjusted to the orbit of Air Attack. 1 air tanker has been released per Air Attack. Helicopter is on scene per radio traffic.
โข
Regional Captain
44 minutes ago โข May 18 at 4:45 PM
Air Attack is overhead and reports 5-7 acres, burning in the grass, with a slow rate of spread.
โข
Regional Captain
About 1 hour ago โข May 18 at 4:42 PM
The fire is now 3-5 acres, per Incident Command..
โข
Regional Captain
About 1 hour ago โข May 18 at 4:33 PM
The Siskiyou County Sheriffs Office has issued an EVACUATION WARNING for Zones SIS 5004 in the area of AUBREY LANE due to FRONTIER FIRE. Anyone in this area should prepare to leave should conditions warrant.
For information regarding any emergency impacting Siskiyou County go to the ReadySiskiyou Website at www.readysiskiyou.gov
The zones can be viewed on the Watch Duty map.
โข
Regional Captain
About 1 hour ago โข May 18 at 4:18 PM
The fire is 2 acres with a moderate rate of spread, burning in ground level fuels, and junipers. The fire is 1/2 mile south of Frontier Dr. One structure is threatened on Aubrey Ln. – per Incident Command.
โข
Regional Captain
About 1 hour ago โข May 18 at 4:04 PM
Herd Peak 2 – ALERTCalifornia | UC San Diego
Resources are responding to a reported vegetation fire with smoke visible on attached camera.
โ
Incidents
Elevated fire risk Mon/Mon night
Tennant fire at 13.5 acres
5 mi
Tennant Fire
Siskiyou County, CAAcres13.5Containment-
Active โข Updated 24 minutes ago
Created by Watch Duty โข May 17, 2026 at 3:31 PM
โข
Reporter
23 minutes ago โข May 17 at 6:04 PM
The fire is now 13.5 acres per the National Interagency Fire Center (NIFC)
โข
Reporter
About 1 hour ago โข May 17 at 5:08 PM
A dozer line has been completed around three quarters of the fire, and crews are extending hoselays along the fireline. Both a helicopter and an air tanker have been making drops on the fire. Ground resources continue to arrive on scene, including engines from our U.S. Forest Service – Shasta-Trinity National Forest neighbors and engines and crews from our CAL FIRE Siskiyou partners per the Klamath National Forest Facebook page.
โข
Reporter
About 1 hour ago โข May 17 at 5:02 PM
Air Attack and 2 Tankers are on the scene of the fire per the Watch Duty radar layer.
There is a helicopter enroute also per radio traffic.
โข
Reporter
About 3 hours ago โข May 17 at 3:31 PM
Firefighters are on the scene of a 5 acre wildfire between Dead Steer Flat and Orr Lake on the east side of the Klamath National Forest. The fire with a low to moderate rate of spread in grass and timber litter per Klamath National Forest Facebook page . Air resources have been ordered.
โ
Incidents
RFW for Sacramento Valley
Rx burn creating smoke around Mt. Shasta City
Shasta-Trinity National Forest
Forest Service News Release
Contact: Tom Stokesberry
(707) 362-5229
Shasta-Trinity National Forest
Shasta-Trinity National Forest plans prescribed fire near Mount Shasta
Prescribed fire is a key tool in reducing wildfire risk
(Redding, CA May 13, 2026) โ The Shasta-Trinity National Forest is planning prescribed fire operations starting this Friday, May 15, 2026. We estimate this work could continue through the weekend, as weather conditions allow and pending all required approvals.
We use prescribed fires to reduce overgrown vegetation to help protect local communities, infrastructure and natural resources from wildfires.
The area may close to the public for several days for public safety. Watch for warning signs along roads near all prescribed fire areas before and during burns.
Residents may experience smoke during the prescribed burns. For more detailed information about air quality, go to AirNow online or download the app. When driving, slow down and turn on your headlights when you encounter smoke on the road.
We will evaluate weather conditions in the hours before a burn begins. If conditions warrant, scheduled prescribed fire activities may be canceled.
Stay informed about the scheduled prescribed fires through the forest website, social media channels, and InciWeb, the interagency incident information system. We will notify county emergency management officials when burning begins.
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| Hanne Meyers Fuels Specialist Forest Service Shasta Trinity National Forest, Shasta McCloud Management Unit p: 530-964-3748 c: 530-710-3491 hanne.meyers@usda.gov 2019 Forest Rd McCloud, CA 96057 www.fs.usda.gov |
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