Interchange 250B
Part of Jefferson National Expansion Memorial



A place where two or more routes of transportation form a junction or intersection.
man-made Icon Man-made
Map Marker

GPS Coordinates

Latitude, Longitude:
38.627078°, -90.186581°
Elevation Icon


463 ft. (141 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. Interchange 250B is covered by the Granite City, IL US Topo Map quadrant

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

Nearby Cities

Nearby Points of Interest

KYKY-FM (St Louis) Man-made 0.1 mi
Gateway Arch Man-made 0.2 mi
Saint Louis Center Shopping Center Man-made 0.3 mi
Saint Louis Centre Man-made 0.3 mi
KEZK-FM (St Louis) Man-made 0.3 mi

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 CAHO which is approximately 4 miles away and has an elevation of 400 feet (63 feet lower than Interchange 250B). 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 2.18" 38.1° 20.0°
February 2.47" 44.5° 24.2°
March 3.68" 55.4° 35.1°
April 3.87" 66.7° 45.5°
May 3.87" 75.7° 55.1°
June 3.69" 84.2° 64.0°
July 3.97" 88.7° 68.4°
August 3.68" 86.8° 66.4°
September 3.19" 79.7° 58.2°
October 3.04" 69.1° 46.6°
November 3.73" 54.6° 35.5°
December 2.96" 42.6° 25.8°

Summer High Temps

This location's average summer high temps are higher than 61% of other locations on record.

Winter Low Temps

This location's average winter low temps are higher than 53% of other locations on record.

Precipitation Levels

This location's average precipitation levels are higher than 60% of other locations on record.