Cheyenne Temperature Dropped 32 Degrees In 10 Minutes Wednesday

Cheyenne saw some record-setting temperature drops in less than an hour on Wednesday as a record-setting cold front rocked southeast Wyoming.

That's according to a post on the Cheyenne National Weather Services Facebook page, According to the post, the following radical drops in temperature were recorded in the Cheyenne area:

10 minute change: 32 degrees

30 minute change: 39 degrees

1 hour change: 42 degrees (new record) - previous 37 degrees

2 hour change: 51 degrees (new record) - previous 40 degrees

3 hour change: 55 degrees (new record) - previous 43 degrees

15 hour change: 65 degrees (new record) - previous 64 degrees

We'll break our 6 hour record as we are currently at a difference of 56 degrees (previous 6hr record is 51). The 12 hour record is 61 degrees so stay tuned. These values are based off our official high of 42 degrees that occurred at 1:05pm. Technically we hit 43 degrees for a couple minutes but did not average 43 degrees over a 5 minute period for it to officially count.

But that isn't the end of the story. Weather Service editors added an additional note at 5:30 this morning:

Cheyenne, WY has dropped 65 degrees in 15 hours. This breaks the all-time record for temperature drop at Cheyenne, WY. The old record was 64 degrees in 19 hours set back in 1950...that's 72 years ago! Wow!!

Wednesday's weather front was one for the books in many respects. Casper recorded an all-time record low of -42, with a wind chill of -65.

Cheyenne recorded an official low of -26, with a wind chill of -51. Laramie logged a low of -24 with a wind chill of -48.

The cold spell isn't over either. Lows tonight are expected to plunge well into the double digits below zero range again tonight before a gradual warming trend takes effect on Friday.

2022's Deadliest Wyoming County by Traffic Deaths

While car crashes can occur anywhere, some roads in Wyoming are more dangerous than others.

According to Wyoming Highway Patrol data, there were 117 fatal crashes in the Cowboy State in 2022 resulting in 133 deaths.

Of those fatal crashes, the majority (13.68%) occurred in Laramie County -- two in January, one in February, one in March, two in April, one in June, two in July, three in August, two in September, one in November, and one in December.

Sweetwater County saw the second most fatal crashes last year, 12, while Fremont and Lincoln counties each saw 10.

Albany and Park counties each recorded eight, and Campbell, Converse, and Natrona counties each tallied seven.

The deadliest 2022 crash in Laramie County took place on June 17 when two semis collided on Interstate 80 east of Cheyenne and immediately became engulfed in flames killing both drivers and a passenger.

Laramie County also saw two fatal crashes involving motorcyclists, two fatal crashes involving juveniles, and a fatal crash involving a pedestrian last year.

Below is the Wyoming Highway Patrol narrative of every fatal crash that occurred in Laramie County in 2022.

Gallery Credit: Joy Greenwald

Filed Under: cold front, weather

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