textproduct: Cheyenne
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Near average temperatures and mostly dry conditions are expected through the rest of the work week.
- Warmer temperatures are expected to return this weekend with largely dry weather continuing.
SHORT TERM /THROUGH THURSDAY NIGHT/
Issued at 128 PM MST Wed Nov 4 2026
Today, Our portion of the Intermountain West is in between two low pressure systems. There is an area of high pressure that spans across Montana that is forming a Rex block preventing the low pressure system that is moving through Utah and Colorado from taking a more northern track into our area. Mid to low level cloud cover will be moving through our area tonight. This will keep our overnight temperatures around 30 degrees tonight for the low elevations and around 25 degrees for Rawlins and Laramie. 700mb temperatures rise slightly tomorrow (from -2C to 0/1C). The surface temperatures will be a touch warmer but generally unnoticeable when compared to today. The upper level ridge will start to clear out the clouds Thursday morning but the clouds will move back in Thursday night with the next approaching short wave.
LONG TERM /FRIDAY THROUGH WEDNESDAY/
Issued at 128 PM MST Wed Nov 4 2026
Friday...A slow moving shortwave trough aloft sweeps from western Wyoming in the morning, to eastern Wyoming by evening, spawning a slight chance of showers for our Snowy and Sierra Madre Ranges and southern Laramie Valley, with dry conditions elsewhere. Cooler temperatures for most locations due to an increase in cloud cover and a passing weak cold front.
Saturday...Will see a slow warming trend though tempered by northerly flow aloft. Low and mid levels look too dry for any precipitation.
Sunday...The warming trend continues as the ridge aloft builds across our counties, helping to produce a surface lee trough across eastern Wyoming. 700 mb temperatures near 7 Celsius will yield maximum temperatures from the mid 50s to mid 60s.
Monday-Wednesday...Dry west northwest flow aloft prevails with a few shortwave troughs aloft passing by, though with minimal low and mid level moisture, no precipitation expected. High temperatures nearly the same each day based on 700 mb temperatures.
AVIATION /00Z TAFS THROUGH 00Z THURSDAY/
Issued at 413 PM MST Wed Nov 4 2026
Minimal aviation concerns are expected for the overnight hours. Increasing high-level clouds along with calm winds will lead to VFR conditions at all terminals tonight. Clouds will decrease Thursday morning with winds remaining light.
CYS WATCHES/WARNINGS/ADVISORIES
WY...None. NE...None.
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