Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Graphical Hazardous Weather Outlook

Today's Weather Impact Levels (click on specific hazard for details)
Lightning	Tornado	Wind	Hail	Inland Flood	Coastal Flood	Rip Current	Waves	Visibility	Heat/Cold



Visibility Hazard

Fog Safety

Legend (Click for Impacts)
None	No visibilities below 1/4 mile.
Low	Patchy (1-20% coverage) visibilities < 1/4 mile in fog or < 1 mile in heavy rain.
Moderate	Areas (30-50% coverage) of visibility < 1/4 mile.
High	Widespread (60-80% coverage) visibilities < 1/4 mile.
Extreme	Total (>80% coverage) visibilities < 1/4 mile.

Visibility Impact Statement

For additional hazard information, view the full Hazardous Weather Outlook text.

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Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

Tampa Bay Graphical HWO Visibility