DisasterAWARE
7
Very High

extreme-heat Extreme Heat Risk in Baltimore, MD

Risk Level: Very High — Score 7/10

FEMA: 7Historical: 10

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Key Risk Factors

  • FEMA rates Baltimore's county as Relatively High risk
  • Estimated annual loss of $38M from this hazard type
  • 21 events recorded in proximity in recent decades
  • Active in the last 12 months (11 events)
  • Average annual frequency: 6.8 events per year

Peak season: June-September

Last significant event: Heat - Washington–Baltimore metro and Eastern Shore, United States (2026-07-18) — 6,240,000 people exposed

Highest Risk Cities for Extreme Heats

1
Chicago, IL
FEMA: 9Historical: 10
2
Houston, TX
FEMA: 9Historical: 10
3
Phoenix, AZ
FEMA: 9Historical: 10
4
Philadelphia, PA
FEMA: 9Historical: 10
5
Dallas, TX
FEMA: 9Historical: 10
6
Las Vegas, NV
FEMA: 9Historical: 10
7
Tucson, AZ
FEMA: 9Historical: 10
8
Mesa, AZ
FEMA: 9Historical: 10
9
Mumbai, India
Risk: 9Historical: 10
10
Shanghai, China
Risk: 9Historical: 10
Baltimore is not in the top 10 for extreme heat risk among tracked cities.

How Baltimore Compares

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Notable Extreme Heat Events Near Baltimore

DisasterAWARE's historical archive records 5 notable extreme heat events near Baltimore, ranked below by impact. The most impactful: Extreme Heat - Northeastern United States (June 2024) — 76,736,000 people exposed; $17,374,827M capital exposed.

Extreme Heat - Northeastern United States

June 16, 2024 — WARNING

76,736,000 people exposed; $17,374,827M capital exposed

Extreme Temperature - Southern Baltimore; Central and Southeast Montgomery; Prince Georges; Northwes

July 15, 2026 — ADVISORY

9,800,000 people exposed; $2,384,663M capital exposed

Excessive Heat - Washington D.C. metro (DC, central/northern Maryland and northern Virginia), Unite

July 3, 2026 — WATCH

9,490,000 people exposed; $2,352,552M capital exposed

Cold Weather - Washington metro (DC, MD, Northern VA), United States

January 26, 2026 — ADVISORY

8,890,000 people exposed; $2,261,237M capital exposed

Heat - Washington–Baltimore metro and Eastern Shore, United States

July 17, 2026 — ADVISORY

6,240,000 people exposed; $1,848,691M capital exposed

Extreme Heat Preparedness Tips

  • 1.Stay hydrated — drink water regularly even if you don’t feel thirsty
  • 2.Avoid outdoor activities during peak heat hours (10 AM – 4 PM)
  • 3.Know the signs of heat exhaustion and heat stroke
  • 4.Check on elderly neighbors and those without air conditioning
  • 5.Never leave children or pets in a parked vehicle

Related Pages

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Earthquake Risk in Baltimore
Score: 5/10
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Wildfire Risk in Baltimore
Score: 1/10
hurricane
Hurricane Risk in Baltimore
Score: 5/10
flood
Flood Risk in Baltimore
Score: 7/10
tornado
Tornado Risk in Baltimore
Score: 7/10
winter-storm
Winter Storm Risk in Baltimore
Score: 9/10
landslide
Landslide Risk in Baltimore
Score: 1/10
drought
Drought Risk in Baltimore
Score: 0/10
high-wind
High Wind Risk in Baltimore
Score: 7/10
tsunami
Tsunami Risk in Baltimore
Score: 0/10
extreme-heat
Extreme Heat Risk in Washington, DC
Score: 7/10
extreme-heat
Extreme Heat Risk in Philadelphia, PA
Score: 9/10
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Extreme Heat Risk in New York, NY
Score: 7/10

How this data is built

Baltimore, MD extreme heat risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live extreme heat monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

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