May 17, 2021 Forecast First


Less warm temperatures followed by a warm up mixed with wind all week and slight storm chances… unsettled.

The scattered showers and thunderstorms will clear out during the overnight hours. Despite the added cloud coverage, the low temperatures Tuesday morning will be less warm than recent mornings. A low temperature cooling trend is also expected this week. Contray to that trend by the midweek, the afternoon temperatures will be warming to the low 80s. Wind has been a strong element Monday and the breezy/gusty conditions will continue to remain in the forecast from Tuesday through this weekend. Our next weather maker comes online later this week and it already has the strongest wind field!

A chance of rain showers and isolated thunderstorms will return Tuesday afternoon and linger for some areas into Wednesday. Montrose and Delta county appear to be the best chance of measurable rain Tuesday afternoon. Gusty wind is the more impactful element to the forecast for the lower elevations while the High Country will get the the brief heavy downpours and small hail. Snow is possible in the higher elevations (southern mountains), but roadway impacts are limited to highest mountain passes. For the lower elevations a chance for the central mountains to achieve heavy downpours is likely and that will create serious impacts for the Glenwood Canyon/I-70 corridor. Debris flow is anticipated and interstate closures are to be expected as a result. Plan for delays through the canyon.

Circling back, rain totals for the valley floors will be on the lower side and rainfall deficits remain in place for Montrose and Grand Junction (-1.00″/-1.38″). The forecast is calling for dry and warmer weather Wednesday and Thursday with increasing wind speeds. Our next weather maker is a cold front, responsible for kicking the winds up a notch, adding clouds, lowering temperatures and will have mountain rain showers leading into next weekend.

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