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This map shows Earth’s average global temperature from 2013 to 2017, as compared to a baseline average from 1951 to 1980, according to an analysis by NASA’s Goddard Institute for Space Studies. Yellows, oranges and reds show regions warmer than the baseline.

Global Temperatures in 2017 Rank in Top 3 on Record

The desert Southwest experienced its warmest readings ever.

Tucson Sets Hottest Year Record, Again

Record was set in 2014, tied last year and broken in 2017.
The sun sets after a hot summer day.

November Sets Tucson Heat Record

And 2017 is on track to be warmest year recorded in Southern Arizona.
The highest temperature ever recorded in Tucson was 117 degrees, in 1990.

Thanksgiving High Temp Could be Hottest on Record in Tucson

Each day of the four-day weekend could see record temperatures, and 2017 may mark hottest year ever in the city.
Looking across the city of Tucson from Tumamoc Hill.

No Rain Fell in Tucson in October, Officially

It was the 12th time the Weather Service recorded no rainfall for the month.
NOAA's 2017-18 winter temperature probabilities.

Southern Arizona Can Expect a Mild Winter Despite Recent Heat Records

Warm and dry, for the southern half of the country, but not enough to break the top 10, meteorologists predict.
Hurriane Maria in the Caribbean approaching Puerto Rico, September 2017.

Raytheon Drones Fly Into Hurricanes to Collect Data

'Coyotes' were used recently in Hurricane Maria to aid in continuous monitoring.
Cars drive through flooded streets during a monsoon storm. From July 2017.

Dry End Bringing a Close to Above-Average Monsoon

Months that proceeded a record-breaking July have brought below-average rain.

'Mini-Spike' in AZ Gas Prices After Hurricane Harvey Expected to Pass Quickly

An industry analyst says a significant rise isn't expected, and prices should return to normal by the end of the month.
A man rests in the shade on a hot day in Tucson.

Dry, Hot August Follows Record-Setting July Rain

Weather Service meteorologist says storms become less frequent in September, unless a large Pacific storm hits.
A fire tower burned by the Frye Fire in 2017.

Looking Back on Fire Season in Arizona, and Places Touched by the Flames

Wildfire activity rose statewide, and Southern Arizona was home to some of the state's largest fires.
The five-day outlook shows a strong chance that a cyclone will form of the Baja Peninsula by the end of the week, possibly bringing storms to Southern Arizona.

Large Pacific Storm Could Bring Heavy Rain to Southern Arizona

Storm forming south of the Baja Peninsula has strong chance of becoming a cyclone.
DeAnna Bublitz finds plenty of cicadas on the University of Arizona's mesquite trees.

Summer's Insects Draw Scientists to Southern Arizona

Hot and humid weather is optimal for exploring the outdoors.
The Flandrau Science Center and Planetarium (left) and the Kuiper Space Sciences Building (right) on the University of Arizona campus.

UA Opens Science Classes to the Community

The school is offering reduced tuition to attend lectures in many subjects.
A lightning strike over east Tucson.

Tucson Sets July Rainfall Record, 2nd-Highest Monthly Total

July's rain total was higher than average rainfall for an entire summer rain season.
A lightning strike over east Tucson.

Monsoon Brings Danger of Flash Flooding to Arizona

Meteorologist: Deadly event near Payson is an example of flash-flood dangers.

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