May 14: Today is the average last day of the season for measurable snow in
locations such as Cheyenne and Laramie.
May 15: On this day in 1991 severe storms moved across parts of eastern Laramie
county. Hail up to 1 inch in diameter fell in Cheyenne, while hail 3 ½ inches
in diameter was reported about 7 miles northeast of Cheyenne. Wind gusts
to 77 mph were recorded 29 miles northeast of Cheyenne.
Today has been the average last freeze date in spring over the last 30 years
for Cheyenne and Wheatland.
May 16: A late season storm brought 10 inches of snow to Cheyenne on this day in 1943.
May 17: Another late season winter-like storm produced around 8 inches of snow in
Cheyenne and Wheatland on this day in 1983.
May 18: On this date in 2010 a tornado was spotted by many residents south of Cheyenne.
It remained over rural areas causing little damage.
A winter-like storm system began over the region on this date in 1915. It
produced 11.8 inches of snow in Scottsbluff, Nebraska by the end of the day,
with 5.0 inches of snow recorded in Cheyenne. The 11.8 inches in Scottsbluff
remains the heaviest daily snowfall on record for May there.
May 19: The winter-like storm of 1915 ended on this day. Total snowfall from the storm
included 7 inches at Chadron, Nebraska, 8.0 inches in Cheyenne, and an impressive
17.6 inches in Scottsbluff.
May 20: Just under two-tenths (0.16 inch) of precipitation fell in Cheyenne on this day in
1935. It was the last of 14 consecutive days that at least one-one hundredth of an
inch /0.01/ of precipitation was recorded in Cheyenne, the all-time record for the
most consecutive number of days with measurable precipitation in Cheyenne.
Total precipitation during that 14 day period was 3.24 inches.Return to News Archive