Main Floodway

Also Known As: Rio Colorado, Arroyo Colorado, Arroyo Colorado Floodway, La Cruz Resaca, and Sardinas Resaca.



Natural depression or relatively low area enclosed by higher land.
See also: Valleys
land Icon Land
Map Marker

GPS Coordinates

Latitude, Longitude:
26.1503532°, -98.1469535°
Elevation Icon


82 ft. (25 m.)

Topographic Map

US Topo Map

The USGS (U.S. Geological Survey) publishes a set of the most commonly used topographic maps of the U.S. called US Topo that are separated into rectangular quadrants that are printed at 22.75"x29" or larger. Main Floodway is covered by the Pharr, TX US Topo Map quadrant

Free US Topo Map PDF Order Waterproof Printed Topo Map
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Land Icon Land
Man-made Icon Man-made

Nearby Cities

Chico, TX 494 mi
Krugerville, TX 498 mi
Alvord, TX 499 mi
Aubrey, TX 499 mi
Olney, TX 500 mi

Nearby Points of Interest

San Juan Cemetery Man-made 1.7 mi
Mayfield Park Man-made 2.0 mi
Lions Park Man-made 2.4 mi
Aldrich Park Man-made 2.5 mi
KOIR-FM (Edinburg) Man-made 2.5 mi

Nearby Photos

Photos provided by Panoramio and Flickr are under the copyright of their owners.

Historical Weather

Below are weather averages from 1971 to 2000 according to data gathered from the nearest official weather station. The nearest weather station for both precipitation and temperature measurements is MCALLEN MILLER INTL AP which is approximately 6 miles away and has an elevation of 100 feet (18 feet higher than Main Floodway). Because the nearest station and this geographic feature may have differences in elevation and topography, the historic weather at the two separate locations may be different as well.

Average Daily Temperatures by Month (°F)

Average Monthly Precipitation (in inches)

Month Precip AVG High Temp AVG Low Temp
January 1.22" 69.9° 50.3°
February 1.33" 74.1° 53.5°
March .72" 81.4° 60.2°
April 1.32" 85.9° 65.7°
May 2.68" 90.0° 71.8°
June 2.59" 94.0° 74.9°
July 1.65" 96.1° 75.7°
August 2.73" 96.4° 75.8°
September 4.08" 92.3° 73.1°
October 2.56" 86.3° 66.4°
November .87" 78.1° 58.6°
December 1.21" 71.4° 51.8°

Summer High Temps

This location's average summer high temps are higher than 95% of other locations on record.

Winter Low Temps

This location's average winter low temps are higher than 99% of other locations on record.

Precipitation Levels

This location's average precipitation levels are lower than 70% of other locations on record.