Wyoming starts the morning calm but uneasy, with clear skies over Riverton and cold air settled in valleys. Winds whisper now, but flags, fences, and drifting snowfields soon signal a changing pattern across central and western Wyoming.
According to the National Weather Service in Riverton, gusty winds develop today from Muddy Gap to Casper and along the lee of the Absaroka Mountains. Winds increase through the day and continue into tonight, especially in wind-prone corridors. Drivers of high-profile vehicles should prepare for difficult travel, particularly on open highways where sudden gusts can push vehicles sideways.
Despite the wind, temperatures surge. Riverton warms into the lower 50s today and climbs into the mid-50s Monday and Tuesday. That mild stretch may feel like a break, but it sets the stage for a December Weather shift. Meteorologists are tracking snow spreading into western Wyoming Tuesday night, with strong to high winds likely across much of the state.
By Wednesday, a chance of rain and snow develops in Riverton, paired with winds gusting over 40 mph. Visibility could drop quickly during heavier bursts, especially near mountain passes and open stretches of roadway. Wet pavement during the day may refreeze at night as colder air returns, raising black ice concerns.
Another snow chance arrives late Thursday into Friday, mainly west of the Continental Divide, with strong winds east of the Divide. While Riverton avoids major accumulation for now, travel conditions could deteriorate rapidly during passing bands.
Looking toward the weekend, temperatures cool but remain seasonable, with lingering snow chances nearby. As Christmas travel ramps up, residents should stay weather-aware and flexible with plans.
5-Day Outlook for Riverton, WY
• Today: Becoming sunny. High near 53°. Windy at times.
• Monday: Sunny. High near 53°.
• Tuesday: Mostly sunny. High near 56°. Wind increasing.
• Wednesday: Chance of rain/snow. Windy. High near 56°.
• Thursday: Mostly sunny. Cooler. High near 43°.
