Jelm, Wyoming

... Winter Weather Advisory remains in effect from 5 PM this
afternoon to 5 am MST Friday...

A Winter Weather Advisory remains in effect from 5 PM this
afternoon to 5 am MST Friday.

Snow will develop over the mountains of south central Wyoming
by early this evening as a cold front moves across the state.
Snow is expected to fall into early Friday morning and will be
heavy at times. Total snow accumulations of up to 8 inches are
expected by early Friday morning.

Precautionary/preparedness actions...

A Winter Weather Advisory for snow means that periods of snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities... and use caution while
driving.

... Cheyenne Thanksgiving climatology from 1946 through 2008...

Thanksgiving occurs on the fourth Thursday of each November and can
occur anytime from November 22 through 28. Thanksgiving this year
will occur on Thursday November 26.

From 1946 through 2008... the average high temperature in Cheyenne
on the 63 Thanksgiving days has been 42.5 degrees. The average low
temperature has been 22.1 degrees.

High temperatures have ranged from 14 degrees on Thanksgiving days
in 1958 and 1993 to 67 degrees on Thanksgiving day in 1998.

Thanksgiving day high temperatures from...

10 to 19 degrees have occurred 2 times or 3 percent.
20 to 29 degrees have occurred 7 times or 11 percent.
30 to 39 degrees have occurred 14 times or 22 percent.
40 to 49 degrees have occurred 19 times or 30 percent.
50 to 59 degrees have occurred 16 times or 26 percent.
60 to 69 degrees have occurred 5 times or 8 percent.

Thanksgiving day high temperatures...

70 degrees or higher have occurred 0 percent.
60 degrees or higher have occurred 8 percent.
50 degrees or higher have occurred 33 percent.
40 degrees or higher have occurred 63 percent.
30 degrees or higher have occurred 86 percent.
20 degrees or higher have occurred 97 percent.
10 degrees or higher have occurred 100 percent.

Less than 70 degrees have occurred 100 percent.
Less than 60 degrees have occurred 92 percent.
Less than 50 degrees have occurred 67 percent.
Less than 40 degrees have occurred 37 percent.
Less than 30 degrees have occurred 14 percent.
Less than 20 degrees have occurred 3 percent.
Less than 10 degrees have occurred 0 percent.

Low temperatures have ranged from 11 below zero on Thanksgiving
day in 1993 to 42 degrees on Thanksgiving day in 1949.

Thanksgiving day low temperatures from...

-20 to -11 degrees have occurred 1 time or 2 percent.
-10 to -1 degree have occurred 3 times or 5 percent.
0 to 9 degrees have occurred 2 times or 3 percent.
10 to 19 degrees have occurred 16 times or 25 percent.
20 to 29 degrees have occurred 25 times or 40 percent.
30 to 39 degrees have occurred 14 times or 22 percent.
40 to 49 degrees have occurred 2 times or 3 percent.

Thanksgiving day low temperatures...

50 degrees or higher have occurred 0 percent.
40 degrees or higher have occurred 3 percent.
30 degrees or higher have occurred 25 percent.
20 degrees or higher have occurred 65 percent.
10 degrees or higher have occurred 90 percent.
0 degrees or higher have occurred 94 percent.
-10 degrees or higher have occurred 98 percent.
-20 degrees or higher have occurred 100 percent.

Less than 50 degrees have occurred 100 percent.
Less than 40 degrees have occurred 97 percent.
Less than 30 degrees have occurred 75 percent.
Less than 20 degrees have occurred 35 percent.
Less than 10 degrees have occurred 10 percent.
Less than 0 degrees have occurred 6 percent.
Less than -10 degrees have occurred 2 percent.
Less than -20 degrees have occurred 0 percent.

Thanksgiving day precipitation of...

A trace or more has occurred 22 of the 63 days or 35 percent.
0.01 inch or more has occurred 8 of the 63 days or 13 percent.
0.10 inch or more has occurred 1 of the 63 days or 2 percent.

Precipitation includes rain and melted snow.

Thanksgiving day snowfall of...

A trace or more has occurred 19 of the 63 days or 30 percent.
0.1 inch or more has occurred 9 of the 63 days or 14 percent.
1 inch or more has occurred 2 of the 63 days of 3 percent.

Thanksgiving day 5 am snow depth of...

A trace or more has occurred 30 of the 63 days or 48 percent.
1 inch or more has occurred 14 of the 63 days or 22 percent.
5 inches or more has occurred 3 of the 63 days or 5 percent.
10 inches or more has occurred 1 of the 63 days or 2 percent.