Wildfires near Mercer, Illinois
Mercer is a county in Illinois, United States — northern mixed forest, oak savanna, wetland and cropland. The map shows wildfires and satellite hotspots detected in and around Mercer. Fires across Illinois peak in spring before the trees leaf out, and again in autumn after leaf fall, when cured grass and leaf litter dry quickly.
Conditions shown are for Illinois.
Current fires in Mercer
No significant fires are currently detected in Mercer.
Counties — Illinois
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Wildfire season in Mercer
Fires across Illinois, which Mercer belongs to, peak in spring before the trees leaf out, and again in autumn after leaf fall, when cured grass and leaf litter dry quickly. Over the period recorded here, the busiest month in Illinois has been October. Higher temperatures, low humidity and wind make fires start and spread faster — check the fire-danger level before lighting any fire or working outdoors.
What the Mercer fire map shows
This page lists only the fires detected inside Mercer itself, so it stays useful when the surrounding region is busy. Mercer is one of 100 counties in Illinois. It lies about 166 mi NW of the centre of Illinois. Detections come from NASA satellites and are not verified on the ground — never use them for safety decisions, and always follow the emergency services (call 911).
Frequently asked questions
Are there wildfires in Mercer right now?
When is the wildfire season in Mercer?
Where in Illinois is Mercer?
What area does the Mercer map cover?
Is the Mercer fire map official?
⚠️ The fires shown are automatic satellite heat detections from NASA FIRMS, augmented with official NIFC / WFIGS incidents where available. Satellite detections are not verified on the ground and are not 100% accurate — they can include false alarms (industrial heat, prescribed burns) or miss small or cloud-covered fires. Do not use this map for safety decisions; always follow official sources.