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Unit 113 Fire, May 2026 Cimarron

Out · last measured on 14 May 2026

The fire started on 14 May 2026 in Cimarron, United States, and satellites saw it burning for 1 day. United States agencies (MTBS / NIFC) mapped an official burnt perimeter of 13,813 hectares, spread across a single county.

We are reviewing this page: some of its data look inconsistent (the place, the dates or the area), so treat them with caution.

We have the official perimeter (MTBS / NIFC) for this fire, but not yet its hotspots: NASA publishes the yearly hotspot archive only once the year closes. The page picks them up automatically when they are available.

Burnt area
13,813ha
official perimeter (MTBS / NIFC)
Duration
1day
14 May 2026 – 14 May 2026
Municipalities hit
1
counties
Started on
14 May
2026
Danger at start
64
Extreme · FWI index

Where it burned

The weather it burned in

33°high
49km/h · peak gust
7%lowest humidity

It had gone 7 days without rain (1 mm or more) when it started. Rain came after the fire: 10.0 mm on 23 May.

This area had burned before

No earlier perimeters overlap this fire since 2016, when the satellite record begins.

What happened to each town

  1. Cimarron where it started
    1 ha
    0.0 %

Burnt area inside each county, from crossing the official perimeter with administrative boundaries. The distance is from the town centre to the nearest fire: staying a kilometre away does not mean it reached the houses.

The weather day by day

ECMWF ERA5 reanalysis at the fire location, the standard reference for past weather, and the Canadian Fire Weather Index (the same system Copernicus uses), computed by WorldFires from that data. Days after the fire run until the first rain.

Open-Meteo.com (CC BY 4.0) · Copernicus Climate Change Service (ERA5)

Day High Min. humidity Peak gust Rain Danger (FWI)
14 May 33.2 °C 7 % 49 km/h 0.0 mm Extreme 64
15 May after 32.5 °C 13 % 40 km/h 0.2 mm Extreme 54
16 May after 34.3 °C 9 % 46 km/h 0.0 mm Extreme 62
17 May after 31.7 °C 7 % 70 km/h 0.0 mm Very extreme 86
18 May after 30.4 °C 7 % 76 km/h 0.0 mm Very extreme 97
19 May after 18.8 °C 28 % 55 km/h 0.0 mm Very high 50
20 May after 18.8 °C 42 % 44 km/h 0.0 mm High 35
21 May after 24.3 °C 38 % 53 km/h 0.6 mm High 34
22 May after 22.1 °C 33 % 53 km/h 0.0 mm High 33
23 May after 28.2 °C 25 % 38 km/h 10.0 mm Low 9

Before and after, from space

Drag the line to compare the same ground before the fire and after it.

Before · 7 May 2026
After · 21 May 2026

If the day is cloudy, change the date: each satellite passes once a day. In false colour the burnt ground looks brown or red.

The smoke

CAMS · Copernicus

On 16 May 2026 the air beside the fire reached 22 µg/m³ of PM2.5. That day averaged 17: 1.1 times the WHO daily guideline (15).

PM2.5 peak22 µg/m³
Days over the guideline1 day
PM1033 µg/m³
Optical depth0.29
121314151617
Good Fair Moderate Poor Very poor Extremely poor

Particles from the Copernicus CAMS model at the centre of the perimeter; these are not measurements in each town. The pale bar is the worst hour, the solid one the daily average.

Open-Meteo.com (CC BY 4.0) · Copernicus Atmosphere Monitoring Service (CAMS)

Other fires nearby

All fires in United States ›

Frequently asked questions

How long did the Unit 113 fire last?
It burned between 14 May 2026 and 14 May 2026: 1 day, according to the start date recorded by United States agencies (MTBS / NIFC) and the heat detections seen by satellite.
How much area did it burn?
The official perimeter published by United States agencies (MTBS / NIFC) is 13,813 hectares (138.1 km²). Other tallies, such as daily incident reports, may give slightly different figures.
Which counties burned?
The fire only entered Cimarron (1 ha, 0.0 %).
What was the weather like?
During the fire the temperature reached 33.2 °C, humidity dropped to 7 % and gusts hit 49 km/h. The fire danger index (FWI) reached 64, class Extreme.
Where does this data come from?
From the official burnt perimeter of United States agencies (MTBS / NIFC, public domain), NASA FIRMS VIIRS hotspots and the administrative boundaries of United States. It is not an official report.

Where to verify it

A satellite detection is not an official report. Final figures and the fire’s status are published by each country’s emergency service.

Emergency number: 911

Satellite cross-check

Does something look wrong on this page?

This page is built from satellite data and official records, and it sometimes gets things wrong: the wrong dates, the wrong town, two fires merged into one, or something that was not a wildfire at all. If you know this fire first-hand (you live nearby, saw it, fought it or reported on it), tell us what really happened and we will check it.

Report an error
What do you think is wrong?

We will only use your email to reply about this report. Privacy. This is not an emergency service: if there is a fire now, call 911.

Where this data comes from

The perimeter is official and in the public domain. For past years it comes from MTBS (Monitoring Trends in Burn Severity), run by the U.S. Geological Survey and the USDA Forest Service, which map it on Landsat and Sentinel-2 imagery. For the current and last year it comes from WFIGS at the National Interagency Fire Center (NIFC): incident perimeters mapped by fire crews, aircraft and imagery. Heat detections come from the VIIRS sensors aboard Suomi-NPP and NOAA-20, distributed by NASA FIRMS at 375 m resolution. County boundaries come from geoBoundaries ADM2 (Public Domain). The area per county is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ slightly from official figures.