textproduct: Cheyenne

KEY MESSAGES

- High Wind Warning remains in effect through 11 PM.

- Progressive pattern expected through the week with better chances of precipitation, but temperatures remaining above normal through the period.

SHORT TERM /THROUGH TUESDAY NIGHT/

Issued at 223 PM MST Mon Feb 9 2026

High Wind and Red Flag Warnings continue through this evening with conditions expected to lessen into the evening and overnight hours. Meanwhile the system that brought these increased winds will also bring increasing moisture to the area, and while overall precipitation chances won't be high through Tuesday, we should finally see the return of mountain snow, with a few slight chances of precipitation making it outside of the mountains and into the high plains through tomorrow evening. While overall guidance doesn't expect much, a few high resolution models are showing scattered showers and snow showers as far north as Converse and Niobrara Counties and over into the northern panhandle, so to account for this have introduced increased probabilities in these areas for at least a slight chance at precipitation.

Otherwise highs today have been largely on track as temperatures should be the warmest of the week with some near record warmth ongoing. Alliance in particular was quite toasty for this time of year. But behind the front, lows overnight plummet into the 20's, and Tuesday's highs shouldn't be able to pass the 40's for the day, bringing us back down to near normal for the day. Otherwise the light precipitation chances should be the primary concern for the weather as we move into the long term, but increasing moisture may be able to return our mountain zones to winter as even more snow is expected into the mid-week timeframe.

LONG TERM /WEDNESDAY THROUGH SUNDAY/

Issued at 223 PM MST Mon Feb 9 2026

A slightly more active period is expected starting mid-week as the upper-level ridge finally breaks down allowing several shortwave troughs to push through the region. An upper-level trough will start to push into the West Coast Wednesday morning, aiding in the eventual deamplification of the ongoing upper-level ridge. A strong upper-level jet will develop as the trough pushes into the CONUS due to increasing height gradients between the trough to the west and the ridging to the east. Multiple shortwaves will push through the region Wednesday onwards, leading to ongoing chances for precipitation as the trough push through will enhanced lift. Similarly, at 700mb, several shortwave trough will push through to the northwest of the CWA leading to multiple chances for elevated to near-high winds throughout the week. The best chances will be Wednesday and Thursday, when the 700mb jet increases to around 45 to 50kts and surface gradients increase. In-house guidance is not overly excited about any specific day for high winds this week, but it does suggested elevated winds both Wednesday and Thursday. Therefore, a breezy week is in store for much of the area.

On and off precipitation chances are expected throughout much of the week in association with the upper-level shortwaves pushing through. Wednesday has the best chance for decent mountain snow as 700mb winds turn southwesterly, a favorable direction for the Sierra Madre Range. Moisture will begin to increase as the upper-level trough moves closer to the CWA and brings in additional Pacific moisture. While widespread precipitation does not look likely at this time, ongoing chances are expected Wednesday through at least Friday, with the potential for some isolated showers over next weekend. Significant snow fall accumulation is not expected at this time, but the mountains will likely pick up several inches of much needed snowfall.

AVIATION /00Z TAFS THROUGH 00Z WEDNESDAY/

Issued at 500 PM MST Mon Feb 9 2026

A surface cold front will move south across southeast Wyoming and western Nebraska tonight with winds shifting into the north by 07z. Little to no precipitation is expected with this front outside of the mountains, but winds will remain breezy before diminishing by early Tuesday morning.

HAZARDS/WEATHER TRENDS: VFR conditions will prevail for most terminals over the next 12 to 18 hours. Clouds will lower between now and 06z with MVFR conditions possible behind the front. Added TEMPO MVFR to KCDR, KAIA, and KSNY between 04z and 12z. Do not expect the lower CIGS to linger more than a few hours. Otherwise, breezy conditions this evening with gusts up to 25 to 30 knots will diminish after 07z.

CYS WATCHES/WARNINGS/ADVISORIES

WY...Red Flag Warning until 5 PM MST this afternoon for WYZ430>433. High Wind Warning until 11 PM MST this evening for WYZ101-106- 110. High Wind Warning until 5 PM MST this afternoon for WYZ116. High Wind Watch until 5 PM MST this afternoon for WYZ117. NE...Red Flag Warning until 5 PM MST this afternoon for NEZ434>437.