textproduct: Cheyenne

KEY MESSAGES

- Windy conditions are expected today; however, critical fire weather conditions are not anticipated at this time.

- Above average temperatures and dry conditions are expected to continue into and through the end of the week.

SHORT TERM /THROUGH WEDNESDAY NIGHT/

Issued at 202 AM MST Tue Nov 10 2026

It will be another pleasant, but windy day ahead of us here across the forecast area, more on the winds in a bit. First lets take a quick look at the synoptic set-up aloft, there will be a weak shortwave that will slide across the CWA from a weak system that passes just to our northeast. We will remain dry as all model guidance indicates other than a slight increase in high-level clouds. Speaking of winds, they will once again be the main story as we see 700 mb winds ramp up into the 35 to 45 knot range by later this morning. A surface low near the Black Hills will develop an push east through the morning hours, as it does so, it will pull the surface trough east with it away from the Laramie Range along with pulling the gusty winds east into the High Plains by this afternoon. With ample subsidence, expect gusts at the surface up to 50 mph, but there is the possibility of stronger gusts in the known wind prones. Our in-house guidance indicates a slim chance for high winds at are known wind prone areas along I-25 and I-80 at this time. Then, by this evening, expect the winds to begin to wind down. A by product of this wind event will be fire weather concerns, as dry as it has been coupled with these gusty winds, elevated fire weather concerns are expected for this afternoon. Then switching gears to temperatures, with the strong westerly downsloping winds, it will lead to a warm day across portions of the CWA, primarily east of the Laramie Range. So, expect highs west of the Laramie Range to top out in the mid 50s. While highs along and east of the I-25 corridor will soar into the mid to upper 60s, possibly a few 70s. Lows Tuesday night will bottom out generally in the mid to upper 30s, with a few valleys west of I-25 seeing lows tank to around 30. As we head into Wednesday, look for relatively quiet conditions to return as ridging builds back in, bringing back in a northwest flow regime. Look for continued dry and breezy conditions along with slightly cooler temperatures, well, compared to Tuesday. So, highs Wednesday will generally top out in the mid 50s west of I-25 and low to mid 60s east of the corridor. Lows will bottom out Wednesday night in the lower 30s west of the Laramie Range and upper 30s to lower 40s to the east.

LONG TERM /THURSDAY THROUGH MONDAY/

Issued at 151 PM MST Mon Nov 9 2026

Thursday...As a ridge aloft moves further eastward across Wyoming and 700 mb temperatures rise to near 6 Celsius, a warming trend will begin with high temperatures from the upper 50s to upper 60s.

Friday...Ridging aloft moves overhead centered from western North Dakota to eastern Colorado, with maximum temperatures similar to those of Thursday.

Saturday...A progressive negatively tilted shortwave trough aloft moves into western Wyoming, spreading increasing mid and high level cloudiness across our counties, with low POPS across southern Carbon County, for rain and snow showers, including the Snowy and Sierra Madre Ranges. Slightly cooler with the increase in cloud cover.

Sunday-Monday...West to southwest flow aloft prevails, and with minimal low and mid level moisture, chances for precipitation will be limited. Maximum temperatures will be similar each day, from the mid 50s to mid 60s.

AVIATION /06Z TAFS THROUGH 06Z WEDNESDAY/

Issued at 1040 PM MST Mon Nov 9 2026

A potent upper level trough across the Pacific Northwest will quickly move eastward into the high plains Tuesday afternoon. Dry conditions will continue with intervals of mid to high clouds. Windy conditions expected ahead of this trough for all terminals late Tuesday morning through Tuesday afternoon.

HAZARDS/WEATHER TRENDS: VFR conditions will continue through Tuesday afternoon. Winds will be the primary Aviation concern with west to northwest winds increasing by 16z to 18z. Wind gusts between 25 to 35 knots after 17z, highest gusts across the southeast Wyoming terminals.

CYS WATCHES/WARNINGS/ADVISORIES

WY...None. NE...None.