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2025 Annual Fire Report

Fires in Prairie du Sac, Wisconsin

In 2025, fire departments serving Prairie du Sac responded to 15 fire and hazmat incidents — from cooking fires to gas leaks to a single $25K building blaze. Here's the full picture.

Updated Sep 27, 2026 Grade A+ Peak yr 2023 Sauk County 4,392 residents 1 reporting departments 63 5-yr
Total incidents
15
+15.4% vs 2024
Building fires
0
Residential 67% Other 33%
Property loss
$28K
$28K structure · $100 contents
Deaths & injuries
0 / 0
0 civilian deaths · 0 civ injuries · 0 firefighter injuries
01 The mix

What kinds of fires happen here?

Brush, or brush and grass mixture fire lead by count. Building fires lead by dollars. Together the top five categories make up about 67% of all calls.

15
Total Incidents
Brush, or brush and grass mixture fire 4 26.7%
Grass fire 2 13.3%
Gas leak (natural gas or LPG) 2 13.3%
Trash or rubbish fire, contained 1 6.7%
Road freight or transport vehicle fire 1 6.7%
All other categories 5 33.3%
02 Seasonality

When do fires happen?

Mar peaks. Jan dips. Watch for the typical fall climb starting in October.

Jan 0
Feb 1
Mar 3
Apr 1
May 1
Jun 1
Jul 3
Aug 1
Sep 2
Oct 2
Nov 0
Dec 0
Fewer
More
2b Five-year trend

Year over year in Prairie du Sac

63 incidents 2021–2025. Peak year was 2023. $456K cumulative property loss.

YearIncidentsYoY 
2021 8 —
2022 12 +50.0%
2023 15 +25.0%
2024 13 -13.3%
2025 15 +15.4%
03 Cause of ignition

What sparks building fires?

For the 0 building fires Prairie du Sac departments responded to in 2025, here's how they were classified once investigators were finished.

Unintentional
27%
3
Cause undetermined
18%
2
Intentional / arson
45%
5
Equipment / heat source failure
9%
1
Under investigation
0%
0
Act of nature (lightning)
1%
0
3b Where fires start

Where do fires start in Prairie du Sac?

NFIRS Area of Origin (AREA_ORIG) for the 27 building fires investigators classified across 2021–2025. The room or location where ignition occurred — kitchens, bedrooms, exterior, vehicle areas — tells you where to focus prevention.

#Area of originCountShare 
1 Open area - outside; included are farmland, field 10 37.0%
2 Engine area, running gear, wheel area 5 18.5%
3 Undetermined 3 11.1%
4 Highway, parking lot, street: on or near 2 7.4%
5 Other 1 3.7%
6 Cooking area, kitchen 1 3.7%
7 Bathroom, checkroom, lavatory, locker room 1 3.7%
8 Vehicle storage area; garage, carport 1 3.7%
9 Attic: vacant, crawl space above top story, cupola 1 3.7%
10 Operator/passenger area of transportation equip. 1 3.7%
11 All other areas 1 3.7%
3c What ignited it

What actually ignited the fire?

NFIRS Heat Source (HEAT_SOURC) — the physical thing that started it. Spark or ember from operating equipment, an open flame, smoking materials, or hot embers from a fireplace are the leading culprits nationwide. Here's the Prairie du Sac mix.

#Heat sourceCountShare 
1 Undetermined 11 40.7%
2 Hot ember or ash 4 14.8%
3 Radiated, conducted heat from operating equipment 3 11.1%
4 Flame/torch used for lighting 3 11.1%
5 Spark, ember or flame from operating equipment 2 7.4%
6 Heat from powered equipment, other 1 3.7%
7 Cigarette 1 3.7%
8 Match 1 3.7%
9 Heat spread from another fire, other 1 3.7%
04 The biggest fires

2 fires · $28K in losses

Largest single-incident property losses reported by Prairie du Sac departments in 2025. These 2 fires alone account for 100% of the city's annual total.

# Property loss Type Severity Status
1 $25,000 Road freight or transport vehicle fire Significant Investigated
2 $3,000 Camper or recreational vehicle (RV) fire Significant Investigated
05 How Prairie du Sac compares

Prairie du Sac vs Wisconsin vs the nation

Per-capita rates let us compare apples to apples. Prairie du Sac sits below the national average for incidents per resident.

3.42
Incidents per 1,000 residents
Prairie du Sac
3.42
WI avg
8.73
US avg
7.48
0
Building fires per 1,000 residents
Prairie du Sac
0
WI avg
1.74
US avg
0.85
0
Civilian fire deaths per million
Prairie du Sac
0
WI avg
14.4
US avg
5.9
5c Wildfires nearby

Wildfires within 50 mi of Prairie du Sac

Top 25 wildfires (1992+) in the FPA-FOD ignitions database, scaled by acres. 8,581 acres burned in this 50-mile radius. Each dot is a fire — bigger dots burned more land.

50 mi radius
YearCauseAcresDistance 
1999 Arson/incendiarism 1,400 28.6 mi
2000 Equipment and vehicle use 1,100 43.2 mi
2003 Arson/incendiarism 1,100 45.1 mi
2009 Missing data/not specified/undetermined 617 43.2 mi
1999 Missing data/not specified/undetermined 580 43.9 mi
2003 Missing data/not specified/undetermined 500 22.4 mi
2003 Arson/incendiarism 484 32.5 mi
2003 Missing data/not specified/undetermined 300 36.4 mi
2003 Arson/incendiarism 290 39.8 mi
2012 Arson/incendiarism 254 45.5 mi
2014 Arson/incendiarism 180 22.9 mi
2013 Equipment and vehicle use 170 45.8 mi
5d Top ZIPs

Where in Prairie du Sac do fires concentrate?

Top 1 ZIP codes by NFIRS incident count across 2021–2025. Each ZIP has its own fire profile — dive in for neighborhood-level context.

#ZIP5-yr incidents 
1 53578 63
5e Peer cities

Cities similar to Prairie du Sac

Six Wisconsin cities with population within ±25% of Prairie du Sac. Useful comparison targets — same state, similar size, different fire profile.

06 First responders

Who responds in Prairie du Sac?

1 departments report to NFIRS for incidents in Prairie du Sac.

PRAIRIE DU SAC VOL FIRE DEPT
855 ST
FDID 56100
07 Stay prepared

Before the next Red Flag day.

A 30-minute weekend can cut your home's exposure substantially. These four checklists are a good starting point.

About this data

Numbers reflect incidents reported by participating fire departments to the National Fire Incident Reporting System (NFIRS) Public Data Release for calendar year 2025. NFIRS is voluntary — about 23,000 of roughly 30,000 US fire departments report — so totals are a strong indicator, not a complete census. Per-capita comparisons use 2023 ACS population estimates. Wildland fire data complements NFIRS with NIFC and USFS perimeters. Active-fire counts come from a dated NIFC snapshot, not a live feed.