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We might get rain showers on Tuesday. Not likely.

Big Idea

  • Slight chance of showers on Tuesday, but very breezy winds
  • Temperatures to drop by nearly 20 degrees
  • Overnight lows will be very cold
  • Colorado is already expecting snow. Yikes!

Welcome to Arizona Weather Time!

Forecast Summary:

Only a slight chance of rain showers is possible on Tuesday as winds become very breezy and shift from southwest to northwest. Temperatures will also plummet by about 20 degrees with the passage of a cold front by mid morning Tuesday. Expect much cooler weather tomorrow through Thursday, with afternoon highs dropping into the 70s by Tuesday and morning lows dropping into the upper 40s by Wednesday. Gradual warming will be expected later this week into the weekend, with highs rising back up into the 80s and lows in the 50s.

Chart created by the National Weather Service, Flagstaff

Forecast Table:


Navigate on the map to your location and click for a detailed local forecast.


Today is the last day of hot weather (and record heat for this time of year), perhaps until next summer (thank goodness!) The high today was 97, but by mid-morning tomorrow, a cold upper-level low and strong surface cold front will dig southward into the Southwest.

New records were set over the weekend.

A much cooler air mass will settle into northern Arizona. Expect morning lows in the lower 60s tomorrow, but it will become very breezy and southwest winds will shift to a northwesterly direction after the passage of the front. Temperatures will then plummet about 20 degrees cooler than they have been. Highs will be in the upper 70s and overnight lows will drop into the upper 40s by Wednesday morning. It’s about time we cool off!

Of note, with this storm event, Colorado is expected to receive significant snowfall! Winter storm warnings have been issued, with up to a foot or more of snow expected the next couple of days. The high temperature today in Denver was a whopping 93 degrees, but tomorrow the HIGH TEMPERATURE it is expected to be an astounding 33 degrees! We are expecting 60 degrees of cooling in just 24 hours for eastern Colorado!

For Arizona, gradual warming will be expected later this week into the weekend, with highs rising back up into the 80s and lows in the 50s.

Curtis James


Curtis N. James, Ph.D.

Professor of Meteorology
Department of Applied Aviation Sciences

Met Mail is an unofficial weather discussion and forecast transmitted once or twice a week via e-mail by the Embry-Riddle Department of Meteorology (http://meteo.pr.erau.edu/). Embry-Riddle offers an undergraduate bachelor-of-science degree program in Applied Meteorology. Please spread the word to all potential qualified candidates!

Further Information:

ERAU Applied Meteorology degree program

Official National Weather Service forecast

Embry-Riddle Aeronautical University: Website | Facebook | Twitter | YouTube

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Last modified on Tuesday, 08 September 2020 02:36
Dr. Curtis N. James, Ph.D.

Curtis N. James, Ph. D. Is a Professor of Meteorology at Embry-Riddle Aeronautical University in the Department of Applied Aviation Sciences.

He has taught courses in beginning meteorology, aviation weather, thunderstorms, satellite and radar imagery interpretation, atmospheric physics, mountain meteorology, tropical meteorology and weather forecasting techniques for over 16 years. He participates in ERAU’s Study Abroad program, offering alternating summer programs each year in Switzerland and Brazil.

He earned a Ph.D. in Atmospheric Sciences from the University of Washington (2004) and participated in the Mesoscale Alpine Programme (MAP; 1999), an international field research project in the European Alps. His research specialties include radar, mesoscale, and mountain meteorology. He earned his B.S. in Atmospheric Science from the University of Arizona (1995), during which time he gained two years of operational experience as a student intern with the National Weather Service Forecast Office in Tucson, Arizona (1993-1995).

Dr. James is a native of Arizona where he currently resides with his wife and five children. He is active in his community, having served on the Prescott SciTechFest Advisory Committee and as a Board Member for the Children's Museum Alliance, Inc. On his spare time, he enjoys weather watching, backpacking, camping, fishing, caving, mountain biking, acting, and music. He is an Eagle Scout and serves as the scoutmaster for a local scout troop.


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