National Weather Service United States Department of Commerce

Hazardous Traveling Conditions for the Midwest; Strong Pacific Storm Approaching

A storm will track across portions of the Midwest and into the western Great Lakes through Friday as a combination of a wintry mixture and rain will result in hazardous traveling conditions. A strong Pacific system will be approaching with high winds, and heavier rain and snow late Friday into the weekend with impacts spreading across much of the West. Across Hawaii, strong winds and high surf. Read More >

NOTICE:This is an experimental page meant to provide information on the potential for heat impacts in the Grand Canyon. Please contact Tony Merriman at to provide any feedback

  Day 1 Day 2 Day 3 Day 4 Day 5 Day 6 Day 7
Probability* of Exceeding 110 °F NaN NaN NaN NaN NaN NaN NaN
Forecast** High Temperature NaN NaN NaN NaN NaN NaN NaN
Hours*** Above 110 °F NaN NaN NaN NaN NaN NaN NaN


;Last Updated: ---

*Probabilities are derived from a suite of forecast model guidance Probability Legend
**Forecast temperatures are the official values published by NWS Flagstaff 20-39%
***Number of hours with a forecast temperature above 110 F over a daily twenty four hour period                              60-79%


Phantom Ranch Hourly Forecast Graphs
Phantom Ranch Hourly Forecast Graphs
Grand Canyon Recreational Forecast
Grand Canyon Recreational Forecast
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Current Temperatures and Hazards
Excessive Heat Warning
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