NWS Grand Junction

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A trough will move from Baja California through southern Arizona and New Mexico tonight through the weekend. Isolated to scattered rain showers are expected over the southern mountains with snowfall above about 11,000 feet. Next Monday through Wednesday a stronger Pacific storm will move across the Great Basin and Central Rockies, increasing the chance of widespread precipitation. (Please visit http://weather.gov/gjt for more information.)

High pressure will bring a continuation of warmer than normal and dry conditions today and Friday. Over the weekend a weak storm will produce isolated to scattered showers to the mountains of southern Colorado. Clouds will increase Monday as a stronger Pacific storm develops and approaches the southwest U.S. Then on Tuesday and Wednesday there will be a better chance for rain showers, with snow showers in the higher elevations, as that Pacific storm moves over the area. (Please visit http://weather.gov/gjt for more information.)

A weak trough will pass northwest of the area today and tonight, causing southwest winds to increase a bit over northeast Utah and Northwest Colorado, otherwise dry and continued warmer conditions will continue. Daytime high temperatures will remain 10 to 15 degrees above normal through Friday. Saturday and Sunday a Pacific trough will bring increasing clouds and a slight chance of showers to the San Juan mountains. (Please visit http://weather.gov/gjt for more information.)

Dry and mild conditions will be in place this week with High Pressure building over the Rockies. Afternoon winds will pick up on Wednesday as an upper level disturbance passes to our north. The next chance for showers will arrive this weekend over the San Juan Mountains with dry conditions sticking around elsewhere. (Please visit http://weather.gov/gjt for more information.)

Dry and warmer weather returns to eastern Utah and western Colorado this week as High Pressure builds over the Central Rockies. An upper level disturbance will pass to the north of us on Wednesday. This will bring breezy to windy conditions along with a few more clouds by Wednesday afternoon. (Please visit http://weather.gov/gjt for more information.)

A brisk northwest flow behind a strong cold front that moved through quickly this morning and early afternoon will continue through this evening with scattered convective showers behind it. Expect some periods of light to moderate snow to continue in the mountains and among passes with rain in valleys. Skies are expected to clear with showers coming to an end by midnight with cold air settling in. Expect near to below freezing temperatures across much of the region tonight through Monday morning with cool and sunny conditions Monday afternoon. A warming and drying trend is in store for Tuesday through the weekend with some breezy afternoons as high pressure dominates through the period. See www.weather.gov/gjt for the latest on current highlights in effect. (Please visit http://weather.gov/gjt for more information.)

Rain has begun across much of the forecast area with snow falling at the highest elevations. This precipitation will continue through the day with snow levels falling as a cold front pushes through. Please let us know of any snow or rain amounts you receive in your area. We'd love to hear from you. (Please visit http://weather.gov/gjt for more information.)

Rain has begun across much of the forecast area with snow falling at the highest elevations. This precipitation will continue through the day with snow levels falling as a cold front pushes through. Please let us know of any snow or rain amounts you receive in your area. We'd love to hear from you. (Please visit http://weather.gov/gjt for more information.)

Rain has begun across much of the forecast area with snow falling at the highest elevations. This precipitation will continue through the day with snow levels falling as a cold front pushes through. Please let us know of any snow or rain amounts you receive in your area. We'd love to hear from you. (Please visit http://weather.gov/gjt for more information.)

A strong cold front will sweep across eastern Utah and western Colorado today. This will bring windy and much cooler weather along with mountain snow and scattered valley rain showers. Wind gusts may exceed 45 mph as the front moves through with breezy to windy conditions persisting through this evening. Snow levels will quickly drop as the cold front moves through, reaching as low as 6000 feet for a brief period before settling around 7000 feet later this afternoon. Mountain snow accumulations could pile up to 6 inches with the greatest amounts expected along the northern and central mountains in western Colorado. Rain, snow and wind all diminish this evening setting the stage for a cold start to the day on Monday with freezing temperatures possible across the higher mountain valleys. Dry and warmer weather returns by Tuesday. For the latest information on this storm visit our website at weather.gov/gjt (Please visit http://weather.gov/gjt for more information.)

**Mountain Snow on Sunday/Cold Temperatures Monday Morning** Isolated showers and thunderstorms will continue into this evening then dissipate after sunset. A strong cold front will push through on Sunday bringing accumulating snow to many mountain locations with the greatest amounts across the northern and central Colorado mountains where 3-6 inches will be possible, generally above 8500 feet. Please see www.weather.gov/gjt for the latest on the Winter Weather Advisories in effect. Rain showers will also be possible for the northern and central valleys on Sunday. Cold air behind the front will bring freezing temperatures to many lower valley areas on Monday morning. (Please visit http://weather.gov/gjt for more information.)

Mild and mostly sunny conditions will be felt today across much of the western slope as drier air works in from the northwest. A weak disturbance will brush by generating some isolated showers over the higher terrain. Temperatures will be near seasonal. This will all change on Sunday as a strong cold front moves through the region. This cold front will bring with it some mountain snow, higher valley rain, windy conditions and much cooler temperatures lasting through Monday. Below freezing temperatures will be seen across most areas by Monday morning in the wake of this cold front. A dry and warming trend is in store for Tuesday through the end of the upcoming work week with temperatures warming back to near seasonal levels as high pressure builds over the region. (Please visit http://weather.gov/gjt for more information.)

Mild and mostly sunny conditions will be felt today across much of the western slope as drier air works in from the northwest. A weak disturbance will brush by generating some isolated showers over the higher terrain. Temperatures will be near seasonal. This will all change on Sunday as a strong cold front moves through the region. This cold front will bring with it some mountain snow, higher valley rain, windy conditions and much cooler temperatures lasting through Monday. Below freezing temperatures will be seen across most areas by Monday morning in the wake of this cold front. A dry and warming trend is in store for Tuesday through the end of the upcoming work week with temperatures warming back to near seasonal levels as high pressure builds over the region. (Please visit http://weather.gov/gjt for more information.)

A cold front will move through the area Sunday bringing an inch or two of new snow to elevations above 8,000 feet in the northern and central mountains. Along with some snow, temperatures will drop considerably bringing subzero temperatures to many places when you wake up Monday morning. Stay Warm! (Please visit http://weather.gov/gjt for more information.)

Scattered showers will continue today as the current storm system exits to the east. Drier air will move in behind with gradual clearing seen from the west throughout the day. Expect light snow above 10,000 feet with rain showers below that level. Precipitation will end tonight. Saturday looks to be an in between day with mostly sunny skies and milder temperatures near normal. The next chance of precipitation will come Sunday as a trough of low pressure moves through the region from the northwest bringing colder air with it and a better chance of snow for the mountains and rain for the valleys. Monday through the rest of the week looks dry with much cooler temperatures on Monday and a warming trend to near normal Tuesday and beyond, as high pressure builds over the region from the west. (Please visit http://weather.gov/gjt for more information.)

Scattered showers will continue today as the current storm system exits to the east. Drier air will move in behind with gradual clearing seen from the west throughout the day. Expect light snow above 10,000 feet with rain showers below that level. Precipitation will end tonight. Saturday looks to be an in between day with mostly sunny skies and milder temperatures near normal. The next chance of precipitation will come Sunday as a trough of low pressure moves through the region from the northwest bringing colder air with it and a better chance of snow for the mountains and rain for the valleys. Monday through the rest of the week looks dry with much cooler temperatures on Monday and a warming trend to near normal Tuesday and beyond, as high pressure builds over the region from the west. (Please visit http://weather.gov/gjt for more information.)

Rain showers will continue moving to move north through the region day today. Snow level is currently around 10,000 feet, but is expected to drop to 9,000 feet overnight tonight. Snow accumulation is expected to remain above 10,000 feet. (Please visit http://weather.gov/gjt for more information.)

Moisture from the remnants of Tropical Storm Simon will continue to increase from the southwest across the forecast area today, with the chance of showers and thunderstorms increasing and becoming widespread across much of the region. Locally heavy rain will be possible from the stronger storms. Accumulating snow is likely above 10,000 feet with 3 to 6 inches of snow by Friday morning in the mountains of southwest and west-central Colorado, where Winter Weather Advisories are in effect. Flash flooding is possible for portions of southwest Colorado between 7,000 and 10,000 feet, where a Flash Flood Watch is in effect. Drier air moves in from the west during the day on Friday with showers lingering along the continental divide. Saturday will be mild and dry before the next system brings unsettled weather to the area on Sunday. (Please visit http://weather.gov/gjt for more information.)

Clouds and moisture will increase from the south today as the remnants of Tropical Storm Simon make it onshore over the Baja. Some showers will be mainly confined to southeast Utah and southwest Colorado this afternoon with increasing high and mid level clouds elsewhere. Moisture spreads northward tonight into Thursday as Post Tropical Storm Simon moves into southern Arizona. This increases the coverage of showers and thunderstorms across much of western Colorado by Thursday, lasting through Friday afternoon. Drier air moves in from the west with skies clearing through the day on Friday. A mild and dry Saturday is expected before the next system brings more clouds and showers to the area on Sunday. Temperatures will be cooler with increased cloud cover and showers. (Please visit http://weather.gov/gjt for more information.)

Expect another beautiful fall day as high pressure gives way to mostly sunny skies and warm, above normal temperatures. This will all change tomorrow as moisture from Tropical Storm Simon moves northward into the Four Corners region. This moisture will spread northward across much of western Colorado by Thursday with an increasing chance of showers and thunderstorms through Friday. Drier conditions are expected to move back in by the weekend. (Please visit http://weather.gov/gjt for more information.)