Archive · 26 Jul 2026
Heat Dome Scorches Central US
A big heat dome is making it super hot in the middle of the US, with temperatures feeling like up to 116F.
Over 100 million people are affected, and there might be severe storms too.
Meanwhile, in the Pacific, Hurricane Fausto is getting weaker and will pass near Hawaii, while Hurricane Genevieve is getting stronger near Mexico.
The heat is expected to move west soon, and the hurricanes might bring rough seas.
A heat dome is causing extreme heat across the central US, affecting over 100 million people.
At least 20 daily high temperature records are set to be challenged or broken.
Temperatures feel as high as 116F due to the heat index in some areas.
Hurricane Fausto is weakening and expected to pass north of Hawaii as a tropical storm.
Hurricane Genevieve is intensifying off Mexico’s Baja California coast, potentially becoming a Category 4 storm.
- Who
- Over 100 million people in the central US, including residents of Memphis and St. Louis
- What
- A heat dome causing extreme heat and potential severe weather, along with hurricanes in the Pacific
- When
- Sunday and continuing into the week, with heat expected to shift west by next weekend
- Where
- Central US (Great Plains, Midwest, Mississippi River Valley), Southern California, Pacific (Hawaii, Mexico’s Baja California coast)
- Why
- A large high-pressure system is causing the heat dome, while tropical conditions are influencing the hurricanes
Heat Dome Impacts
Hurricane Updates
Heat Dome Effects
Heat Dome Impacts
A heat dome is causing extreme heat across the central US, affecting over 100 million people and challenging daily high temperature records.
Hurricane Updates
Hurricane Fausto is weakening and expected to pass north of Hawaii, while Hurricane Genevieve is intensifying off Mexico's Baja California coast.
- Affected Regions
- Great Plains, Midwest, Mississippi River Valley, Southern California
- Temperature Records
- At least 20 daily high temperature records challenged or broken
- Heat Index
- Feels like temperatures up to 116F (44C)
- Power Grid Impact
- Increased demand on regional power grids due to high temperatures
- Hurricane Fausto
- Expected to pass north of Hawaii as a tropical storm
- Hurricane Genevieve
- Intensifying off Mexico’s Baja California coast, potentially becoming a Category 4 storm
