Entertainment Magazine: Tucson: Mt. Lemmon

Weather Reports for Mt. Lemmon

The weather on Mt. Lemmon and in Summerhaven can change within a few minutes, especially during the winter. A snow storm, white out, or flooding can occur very quickly.

This online weather report covers Mount Lemmon and Summerhaven road conditions along the Santa Catalina Highway with forecast, pollen trends, and Ski Valley weather from weatherwidget.


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Mt. Lemmon Road Conditions

To find out the latest road conditions along the Catalina Highway to Summerhaven, Ski Valley and all open roads, call the following hot line phone numbers for information. The road conditions can change hour by hour and roads can be closed off at any time, depending on the weather conditions:

  • Pima Co. Sheriffs Road Information: (520) 547-7510
  • Mt. Lemmon Ski Valley: (520) 576-1321

Check the Mt Lemmon Weather Report

Mt. Lemmon road closures are frequent in the winter. Many times, chains are required and vehicles will not be allowed beyond the park entrance point at the bottom of the Catalina Highway. The Catalina Highway has been closed off and on this year, not just because of snow, but because of traffic overload and gridlock.

There are some general conditions about Mt. Lemmon weather to observe:

  • temperatures are often 15-20 degrees F cooler on top of the mountain than at the Tucson level.
  • if there are clouds covering the mountain range, it is probably raining or snowing somewhere on the mountains. When it is raining in Tucson, it is probably snowing in the mountains.

If either of these conditions are evident, make preparations for difficult weather on the drive up the mountains.

The Legends & History of the Catalina Mountains


"Treasures of the Santa Catalina Mountains"

Treasures of the Santa Catalina Mountains by Robert E. ZuckerDiscover the legends and history of the Santa Catalina Mountains told in over 400 pages. Learn about the Iron Door Mine, Buffalo Bill Cody and the Tucson Gold Rush of the 1880s. Full version available on Amazon.com and in local Tucson bookstores.

Download free Tucson Chronicles newspaper and read more about the "Treasures of the Santa Catalinas."

Summerhaven, Mt. Lemmon snow

The town of Summerhaven, at the top of the Catalina Mountains during a snow storm. When weather is bad, the road to Summerhaven may be closed, except for residents or vehicles with snow chains.


Mt. Lemmon Weather Sites

  • Mount Lemmon Observatory Weather and Sky information, realtime motion southwest weather map and current temperatures, weather conditions and forecast from the Mount Lemmon Observatory. Webcam images from the University of Arizona observatory viewing the Catalina Mountains, including Mt. Bigalow. Updated by the minute. Refresh your pages for latest images.
  • U.S. National Weather Service forecast and reports for Mount Lemmon weather, AZ. Detailed 7-day forecast. Detailed map forecast, scroll and zoon in for closer views. Current weather and road conditions.
  • Weather.com Weather conditions for today, tomorrow and by the hour. Current temperature. Weekend and 10-day forecasts for driving up the mountain. Radar maps.
  • Mt. Lemmon Ski Conditions: New snow, lifts open, base depth and weather report from About.com.
  • Wunderground.com Current temperatures, wind, visibility, forecasts and maps.
  • More Mt. Lemmon, Summerhaven News

Tucson Weather Index

Mt. Lemmon snow

Mt. Lemmon in the snow. Photo taken at Ski Valley near the ski lift. © 2013 Photos by R. Zucker. EMOL.org

The Santa Catalina Mountains

The Legends & History

The Lost City & Mission

Tucson Gold Rush of the 1880s


Mt Lemmon Shopping & Dining

Mt. Lemmon Ski Valley

Video and VR Clips | Mt. Lemmon Links

Tucson Events Guide

Mt. Lemmon Entertainment Magazine

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