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In Brief:
A Freeze Warning is in effect later tonight through Wednesday morning. Protect sensitive outdoor plants!
We'll have another chance of picking up (probably less than 1/2 inch) of rainfall Wednesday through Thursday with a bit of early morning and late night Thursday snow again. Beyond that we warm up for the weekend and see anther cool and wet system for next week.
Forecast Discussion:
Alert brief: Freeze Warning issued May 21 at 12:01PM MDT until May 22 at 8:00AM MDT by NWS Denver CO.
The National Weather Service in Denver has issued a Freeze Warning, which is in effect from 10 PM this evening to 8 AM MDT Wednesday.
* TEMPERATURES...Falling into the upper 20s to lower 30s.
* TIMING...Late tonight through Wednesday morning.
* IMPACTS...Freezing temperatures could kill sensitive vegetation and damage unprotected outdoor plumbing. (Figure 1).
Another short wave trough rolls through today and tonight increasing our rain chances again (Figure 2). There IS a chance of a rain/snow mix Thursday AM and again as the precipitation tapers off later Thursday night.
The next system is pretty moist- but most of the precipitation will remain out in the mountains and to the west (Figure 3).
The Longer Range Forecast:
Over the next 3 days, we might see a 1/3rd of an inch of rain (by weatherunderground.com - Figure 2) or 1/2-3/4ths of an inch from the GFS (Figure 4). The three day snowfall map has snow right down to the western neighborhoods of Longmont (Figure 5).
After a relatively warm and dry weekend (with afternoon thunershowers each day - Figure 2) another system moves in for next week (Figure 6 - red trough plowing into the state Tuesday). Crazy cool/cold May!