Enjoy the Sunshine While it’s Here!
May 6th, 2021
After all the cloud cover and rain opportunities of the past several days, the sky has finally cleared out across the Cowboy State, allowing things to heat back up and feel like spring outside once again. We are seeing the largest temperature jump of the week today as highs go from the 50s yesterday up to the upper 60s and lower to mid 70s this afternoon. Oh, and we aren’t seeing much wind around the state either. If you have outdoor plans, today is the best day to do them, even though it isn’t the warmest day of the week. That will be tomorrow.
A large ridge has built over the western US in the jet stream, allowing high pressure to develop and keep weather conditions quite benign while heating things towards the end of the week. This ridge, however, is not expected to hang around long, as the jet stream is expected to begin dipping again late Friday and over the weekend, bringing more opportunities for storms and drought relief for Wyoming. We definitely still need the precipitation for most of the state, but with Mother’s Day Weekend right around the corner, the timing of our next system’s arrival could be better.
As mentioned above, Friday will be the warmest day of the week, with a few spots climbing above 80 degrees in the afternoon but most locations hanging in the mid to upper 70s. Cloud cover will begin to return early Friday morning, beginning before sunrise for the western third of the state, building in through the morning hours for the central third, and making its way through the eastern third during the afternoon hours. A few isolated rain showers/thunderstorms will also be possible in parts of Central and Eastern Wyoming tomorrow afternoon, though these won’t last very long or do much to help with drought conditions. Outdoor plans for Friday afternoon should not be changed for these storms; most locations will likely not be impacted.
Impacts of rain begin to grow Saturday, with an initial round expected to arrive early in the morning before more widespread storms begin to fire up for much of the state during the afternoon and evening hours. Temperatures will drop considerably from Friday into Saturday as well; highs on Saturday look to be in the upper 50s and lower 60s as the wind direction shifts from the south to the north, affecting the northern half of the state first as the cold front pushes through. Saturday’s storms will likely be following the cold front as it arrives; the cold air moving aloft will allow for deep convection and for thunderstorms to develop along the front as hot air rises from the surface. Overall it will still be too cool for severe weather, though a few strong wind gusts and some small hail will be possible with storms.
Mother’s Day will see storms begin to arrive during the late lunchtime hours as a low begins to form just to the east of the Laramie Mountain Range. This low will move southward through Sunday night and Monday, dropping temperatures further as it does so. Highs on Sunday are expected to be in the upper 40s and lower 50s; on Monday these drop into the upper 30s and lower 40s, bringing back the possibility of a mix of rain and snow, especially for higher elevations. While there are still things up in the air in terms of temperature trend and timing with the system over the weekend, the trend so far has been highs getting lower and lower, especially for Monday. Outdoor plans for Mother’s Day should be scheduled exclusively during the early hours of the day for anyone wishing to avoid being out in the rain. The next system does bring another great opportunity for drought relief, however, and it will be reflected on next weeks Drought Monitor which is released on Thursday at 8:30 am EDT (6:30 am MDT).
CHEYENNE, Wyo. (Wyoming News Now) -
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