textproduct: Cheyenne

KEY MESSAGES

- Elevated to critical fire weather conditions continue through Monday.

- Temperatures will cool through Tuesday as a front moves into and across the region.

- Warming resumes Wednesday as a ridge builds back in, with similar temperatures next weekend as this past weekend.

SHORT TERM /THROUGH TUESDAY NIGHT/

Issued at 1234 AM MDT Mon Aug 3 2026

Changes are in store through the short term period, albeit short- lived, from what we've been experiencing as of late. The big feature of note will be a cold front that dives south across the CWA by Monday evening, increasing the threat of a few showers and possibly a thunderstorm over the Laramie Range. However, as depicted by hi- res guidance, the coverage appears to be limited due to the dry conditions locked in at the lower levels. This is shown by the 'Inverted V' soundings that are in place, so if minimal moisture advects in, most of the showers will become VIRGA and produce only gusty winds. The other thing of note in the environment that we are in, due to dry lower levels, any thunderstorm development may produce dry lightning which could make the fire weather concerns more critical. Therefore, Red Flag Warnings continue along and east of the I-25 corridor as min RH values will tank once again below 20 percent. However, these lower RH values may be short- lived as the cold front, and associated increase in moisture, dives south across the CWA by Monday afternoon/evening. Winds will play a huge part if we see the critical conditions ahead of any additional moisture that would be associated with the cold front passage. So, as everyone knows that our winds tend to over perform, the Red Flag Warning that was issued for said area will remain out into Monday evening. The Red Flag Warning for our western zones remains more of a likely scenario to verify as the environment will be more critical, those warnings remain out through Monday evening.

So, now we are post frontal and a cooler air mass is in place, so Tuesday will be a much cooler day then what we've been having as highs will only top out in the 70s to near 80 for many locations across the CWA. Winds will not be much of an issue outside of the higher terrain as the surface gradient tightens up ever so across the Laramie Range where gusts 30-35 mph are possible. Enjoy this cooler day as it will be a one off, more on that in the long term.

LONG TERM /WEDNESDAY THROUGH SUNDAY/

Issued at 1234 AM MDT Mon Aug 3 2026

Will keep this long term discussion short a sweet as there is not much to talk about with the synoptic set-up that will take hold over the region. Starting off the long term period, Wednesday marks the day that the warm-up begins as ridging builds back in. This will not only usher in warmer temps but block or hamper any moisture transport into the region. Therefore, expect dry conditions with highs topping out around 80 degrees F. As the ridge builds, so will the heat as highs Thursday will climb back to near 90. Then the real heat makes a return Friday into next weekend as highs once again surge into the upper 90s and low 100s, warmest across far eastern Wyoming and the Nebraska Panhandle. As mentioned briefly, with the ridge strengthening, don't expect much relief from any precipitation as we will remain dry heading into next weekend.

AVIATION /12Z TAFS THROUGH 12Z TUESDAY/

Issued at 525 AM MDT Mon Aug 3 2026

VFR conditions will prevail across all terminals through this TAF period. Expect generally light and variable winds at the start of this forecast, with an increase increase by this afternoon into the early evening hours with northerly winds gusting 20-35 knots. Winds will shift to the north due to a cold front, with this frontal passage precipitation chances still remain minimal due to ample dry air at the lower levels. Therefore, kept any mention of precipitation out of this set of TAFs.

CYS WATCHES/WARNINGS/ADVISORIES

WY...Red Flag Warning from 11 AM this morning to 9 PM MDT this evening for WYZ417-418-430>433. Red Flag Warning until 9 PM MDT this evening for WYZ420>423- 425-427. NE...Red Flag Warning from 11 AM this morning to 9 PM MDT this evening for NEZ434>437.