Updated: 8:00 AM MST on December 22, 2014
Mostly cloudy with a chance of snow in the morning, then overcast with a chance of snow and a chance of rain. High of 37F with a windchill as low as 16F. Breezy. Winds from the NW at 15 to 20 mph. Chance of snow 30%.
Overcast with a chance of snow. Low of 23F with a windchill as low as 5F. Windy. Winds from the NW at 25 to 35 mph with gusts to 50 mph. Chance of snow 30%.
Mostly cloudy with a chance of snow in the morning, then overcast with a chance of snow. High of 34F with a windchill as low as 5F. Windy. Winds from the NNW at 30 to 35 mph with gusts to 55 mph. Chance of snow 30%.
Clear. Low of 12F with a windchill as low as 1F. Breezy. Winds from the WNW at 10 to 20 mph with gusts to 30 mph.
Partly cloudy. High of 41F. Winds from the West at 10 to 15 mph.
Partly cloudy. Low of 23F. Winds from the SW at 5 to 10 mph.
Overcast in the morning, then mostly cloudy. High of 46F. Winds less than 5 mph.
Partly cloudy with a chance of snow after midnight. Fog overnight. Low of 18F with a windchill as low as 7F. Breezy. Winds from the West at 10 to 25 mph shifting to the NNW after midnight.
Overcast in the morning, then partly cloudy. Fog early. High of 19F with a windchill as low as 0F. Windy. Winds from the NNW at 20 to 30 mph.
Partly cloudy. Fog overnight. Low of 9F with a windchill as low as -8F. Winds from the North at 5 to 15 mph shifting to the West after midnight.
Clear. Fog early. High of 32F with a windchill as low as -4F. Winds from the SSW at 5 to 15 mph.
Partly cloudy. Fog overnight. Low of 23F with a windchill as low as 10F. Winds from the South at 5 to 15 mph shifting to the WNW after midnight.
Mostly cloudy with a chance of snow. High of 32F with a windchill as low as 14F. Breezy. Winds from the NNW at 15 to 20 mph. Chance of snow 20%.
Partly cloudy. Low of 16F with a windchill as low as 1F. Breezy. Winds from the NNW at 15 to 20 mph.
Clear. High of 27F with a windchill as low as 5F. Winds from the WNW at 5 to 15 mph.
Clear. Low of 14F. Winds less than 5 mph.
Clear. High of 32F. Winds less than 5 mph.
Clear. Low of 14F with a windchill as low as 5F. Winds from the WNW at 5 to 10 mph.
Clear. High of 23F. Winds from the West at 5 to 10 mph.
Clear. Fog overnight. Low of 16F with a windchill as low as 7F. Winds from the West at 5 to 10 mph.
Clear. High of 25F. Winds from the West at 5 to 10 mph.
Clear. Low of 16F with a windchill as low as 9F. Winds from the WNW at 5 to 10 mph.
... High wind watch in effect from late tonight through Tuesday
The National Weather Service in Denver has issued a high wind
watch... which is in effect from late tonight through Tuesday
* Timing... high winds may develop late tonight and continue
through early Tuesday afternoon over the plains of northeast
* Winds... northwest 25 to 40 mph with gusts to 55 mph.
* Impacts... people planning travel should be prepared for strong
cross winds causing hazardous driving conditions. Drivers of
light weight or high profile vehicles should consider delaying
travel or use alternate routes.
Remember... a high wind watch means that strong and potentially
damaging winds may occur. Persons in the watch area should
remain alert to the possibility of high winds and be prepared to
take action should high winds develop.
... Denver Metro area snowfal reports...
Note: all reports are in inches
note: T = trace (less than 0.1 inch)
snowfall snowfall snowfall
24 hour total monthly total seasonal total
Denver Intl Airport 0.0 T 4.0
through 5 am
Denver-Stapleton T 1.3 5.7
through 6 am
Denver City park 0.0 T 2.6
Evergreen 0.1 3.3 8.5
through 8 am
North Longmont 0.0 T 6.5
through 7 am
Wheat Ridge 0.4 1.6 7.7
through 7 am
Personal Weather Stations [Add your weather station!]
Location: Northern Washington County, Akron, CO
Updated: 12:44 PM MST
|Temperature: 39.6 °F||Dew Point: 29 °F||Humidity: 66%||Wind: WNW at 4.7 mph||Pressure: 29.62 in||Hourly Precipitation: -||Windchill: 36 °F||Graphs|
Area forecast discussion National Weather Service Denver/Boulder Colorado 1004 am MST Monday Dec 22 2014 Update... issued at 959 am MST Monday Dec 22 2014 Northwest flow aloft will continue to prevail today. Cold air advection will limit warming today...so dropped high temperatures a few degrees. Warmest location will be in The Fort Collins and Greeley areas where downslope flow off the Cheyenne Ridge will produce the warmest readings. For the mountains...web cameras and radar still show snow falling in most of the mountains...and ugly conditions at the higher passes. Will leave the highlights as is for the mountains. For tonight and Tuesday...closed low will sink south across the Central Plains. Still looks like strong winds will develop overnight and into Tuesday. Models starting to increase the amount of snow with this system. Just a couple inches of snow combined with the strong winds would produce harsh driving and possibly blizzard conditions. Will try and pin down where the great chance for snow will be and may need to go with some sort of winter highlight for the blowing snow over the eastern plains. && Short term...(today through tonight ) issued at 333 am MST Monday Dec 22 2014 No major changes planned with the latest grids. Strong northwest flow aloft over the area early in the period will gradually veer around to northerly as upper cyclone heads south into the Central Plains. Sufficient moisture and instability in this flow field to keep the orographic component of the snow going in the high country despite any strong qg ascent. With this in mind will maintain the mountain highlight as is. The 07z expiration time appears reasonable with conditions improving this evening. A few snow bands are present east of the mountains at 10z and this scenario of occasional snow bands will probably continue off and on today given the aforementioned flow pattern. Some of the heavier ones could provide a quick dump of precipitation but temperatures at lower elevations will likely be sufficient to preclude any significant snow accumulations. The Palmer Divide could be an exception to this. The models suggest a better chance of precipitation over the northeast corner tonight as a blob of qg ascent works its way around the western periphery of the plains cyclone. With the expected winds and the possibility of snow out there...conditions could get a bit Dicey for a time late in the period. Total amounts of precipitation are not expected to be great so no highlight for that is necessary at this time. Long term...(tuesday through sunday) issued at 333 am MST Monday Dec 22 2014 Strong north-northwest flow aloft will be over the area on Tuesday. Moisture will continue to decrease in the mountains however enough will linger at mountain top for -shsn especially in the morning hours. Over northestern Colorado with upper level jet overhead and some moisture moving across in the morning hours there will be a chance of light snow over the plains. In addition boundary layer winds around 50 kts will likely mix down to the surface with potential for high winds through early afternoon so will issue a watch from the Wyoming-NE border south towards Limon. As for highs will keep readings in the 35 to 40 degree range over northestern Colorado. On Wednesday the flow aloft will become more west-northwest with only some higher level moisture moving across. Meanwhile surface Lee trough will develop along the Front Range with downslope flow increasing by afternoon. Thus will see warmer temperatures with highs ranging in the lower 50s around Denver to the lower to middle 40s over the far northestern plains. For Wednesday night into Christmas morning the flow aloft will become more westerly. There could be some potential for high winds in the foothills depending on strength of mountain wave as component along winds increase to 60 kts. By Thursday afternoon the flow aloft will become more southwesterly as an upper level trough moves southeast into the Great Basin. Moisture will begin to increase in the mountains with a chance of -shsn by afternoon. Over northestern Colorado it looks generally dry and mild for Thursday afternoon with highs in the 45 to 50 degree range. By late afternoon as middle level qg ascent increases there could be a slight chance of rain showers over northestern Colorado. For Thursday night into early Friday there is not much agreement between the European model (ecmwf) and GFS. The European model (ecmwf) has the main upper level trough moving across Thursday night with a good shot of middle level qg ascent as a cold front moves into northestern Colorado early Thursday evening with increasing upslope flow as a surface low intensifies over southeastern Colorado. As a result this leads to a good chance of snow from the mountains across the plains. Meanwhile the GFS keeps the main surface low over northestern Colorado with a bora type fnt moving across late Thursday night into Friday morning which keeps most of the precipitation in the mountains and over the far northestern plains. At this time its still not clear how things will evolve Thursday night into early Friday. For now will keep 20 to 30 percent probability of precipitation over northestern Colorado for Thursday night. For Friday into Friday night northwesterly flow aloft will be over the area with some moisture in the mountains which will lead to a chance of orographic snow. Over northestern Colorado will keep forecast dry for now with highs dropping back into the upper 20s to lower 30s. By the weekend the European model (ecmwf) and GFS show weak upper level ridging on Sat with only a slight chance of -shsn in the mountains with dry conditions elsewhere. Highs will generally be in the 30s across northestern Colorado. By sun the GFS moves another upper level trough across the area along with a cold front. This would lead to another good chance of snow in the mountains with at least a slight chance of snow over northestern Colorado as highs stay in the 30s. Meanwhile the European model (ecmwf) develops a deeper upper level trough over the western US which keeps the flow southwesterly on Sunday. This would lead to a lower chance of snow in the mountains with no precipitation over northestern Colorado although highs would still stay in the 30s. && Aviation...(for the tafs through 18z Tuesday morning) issued at 959 am MST Monday Dec 22 2014 Scattered rain and snow showers will be possible through this evening in the Denver area. These will be short lived and may drop ceilings to 4000 feet for a short time. Wind forecast will be challenging for today. Expect winds to switch to the northwest to north by 18z. Winds may anticyclone between 19z and 02z...which could produce a wind direction from northeast to southeast. For the tafs...will keep a northerly component though certainty is lower than normal. For tonight...best chance for snow will be over the eastern plains. Light snow may clip kden and kapa. Winds will be gusty after 06z with gusts to 40 knots possible at kden. && Bou watches/warnings/advisories... high wind watch from late tonight through Tuesday afternoon for coz038-041>051. Winter Storm Warning until midnight MST tonight for coz031>034. Winter Weather Advisory until midnight MST tonight for coz030. && $$ Update...meier short term...et long term...rpk aviation...meier