@NWSBoulder

Official Twitter account for the National Weather Service Denver/Boulder forecast office. Details: https://xitter.cf/t.co/A4aVgbxmgI

 Boulder Colorado
weather.gov/bou
Joined June 2012
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A cold front will bring cooler temps across the forecast area today, along with light mountain snow and a chance for rain across the lower elevations. Slick travel conditions could develop over mountain passes, so be sure to check road conditions before heading out! #COwx
Highs will be cooler today: Mountains and Valleys: 30-55F Foothills: 42-52F Denver Area: 52-55F Rest of Plains: 47-61F

ALT Highs will be cooler today: Mountains and Valleys: 30-55F Foothills: 42-52F Denver Area: 52-55F Rest of Plains: 47-61F

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Above-normal temperatures are expected to persist overnight tonight ahead of an early morning cold front. Saturday will bring a significant cool down and increasing precipitation chances for the afternoon and overnight. #COwx
Overnight lows will generally be in the 40s across the lower elevations and foothills, 20s and 30s for the mountains and mountain valleys.

ALT Overnight lows will generally be in the 40s across the lower elevations and foothills, 20s and 30s for the mountains and mountain valleys.

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A special weather statement has been issued for Karval CO until 8:00 PM MDT #COwx
This graphic displays a special weather statement plotted on a map. The statement is in effect until 8:00 PM MDT. The statement includes Karval CO. A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN LINCOLN COUNTY UNTIL 8 PM MDT. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.

ALT This graphic displays a special weather statement plotted on a map. The statement is in effect until 8:00 PM MDT. The statement includes Karval CO. A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN LINCOLN COUNTY UNTIL 8 PM MDT. The threats associated with this storm are wind gusts up to 50 MPH and penny sized hail. Seek shelter in a sturdy structure until the storm passes.

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Today will bring warm and dry conditions ahead of a pattern change this weekend. Breezy conditions are expected across the southern urban corridor, eastern plains, and mountain valleys, with well-above-normal temperatures across the majority of the forecast area. #COwx
Above normal high temperatures are expected again today: Plains: 70s & 80s Foothills: 60s & 70s Mountains: 40s & 50s, with 30s at the highest elevations Mountain Valleys: 50s & 60s

ALT Above normal high temperatures are expected again today: Plains: 70s & 80s Foothills: 60s & 70s Mountains: 40s & 50s, with 30s at the highest elevations Mountain Valleys: 50s & 60s

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While Friday will be warm, dry and breezy across much of northern and northeastern Colorado, a cooler pattern is still on track to arrive by this weekend. Temperatures on Saturday and Sunday will fall to the 50s, with chances for showers both days. #cowx
3 day forecast outlook and weather icons for Friday, Saturday and Sunday.

ALT 3 day forecast outlook and weather icons for Friday, Saturday and Sunday.

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It will warm and dry over the plains today. In the mountains there will be a good chance of showers and a few thunderstorms this afternoon. #cowx
Graphic shows highs today with 70's over the plains with 50 to 65 over the higher terrain.

ALT Graphic shows highs today with 70's over the plains with 50 to 65 over the higher terrain.

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A few light showers will persist in the high country tonight, but mild temperatures will keep snow levels mostly above 11,000 ft, with light accumulations up to 2" possible for the highest peaks of the Gore and Mosquito Ranges. Elsewhere, quiet and mild, with some clouds. #COwx
Summary of overnight conditions for various geographic areas. Wednesday night temperatures will range between 29 and 41 degrees in the mountains, 41 to 48 degrees in the foothills, 47 to 56 degrees in the urban corridor, and 47 to 54 degrees in the plains.

ALT Summary of overnight conditions for various geographic areas. Wednesday night temperatures will range between 29 and 41 degrees in the mountains, 41 to 48 degrees in the foothills, 47 to 56 degrees in the urban corridor, and 47 to 54 degrees in the plains.

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There will be a slight chance of afternoon showers in the mountains with dry and mild conditions over the plains. #cowx
Graphic shows highs in the 70's across the plains with mainly 50's and 60's elsewhere today.

ALT Graphic shows highs in the 70's across the plains with mainly 50's and 60's elsewhere today.

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🗓️ 5 Day Forecast: Highs in Denver will be in the 70s through Fri. Thursday will be a cloudy day with a low chance for a few light rain showers. More seasonable weather enters the forecast for the weekend behind a cold front on Sat morning with some precip possible. #COwx
High temperatures in the mid to upper 70s Wed through Fri. Upper 50s for Sat and Sun. Partly cloudy skies for Wed, Fri, and Sat. Mostly cloudy for Thurs.

ALT High temperatures in the mid to upper 70s Wed through Fri. Upper 50s for Sat and Sun. Partly cloudy skies for Wed, Fri, and Sat. Mostly cloudy for Thurs.

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🌙Low temperatures tonight will be in the 20s to low 40s for the high country and in the 40s for the plains. For Wednesday, high temperatures will remain above average with rain chances increasing by the afternoon for the mountains. #COwx
Graphic shows low temperatures and sky coverage for tonight. 20s to low 40s for the high country and 40s for the plains.

ALT Graphic shows low temperatures and sky coverage for tonight. 20s to low 40s for the high country and 40s for the plains.

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Highs will be in the upper 60s to 70s across the plains and upper 50s to 60s across mountain towns. There will be a few more clouds around but precipitation chances are very low. #COwx
Mostly sunny skies with mild temperatures expected through Wednesday.

ALT Mostly sunny skies with mild temperatures expected through Wednesday.

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Above-normal temperatures and light, variable winds are expected tonight across the forecast area. Slightly cooler temperatures are forecast for Monday, with isolated rain and snow showers possible across the central mountains. Otherwise, dry conditions will persist.
Overnight low temperatures tonight - Plains and urban corridor: 36-44 Mountains and valleys: 25-37 Monday's high temperatures- Plains and urban corridor: 60s Mountains and valleys: 39-62

ALT Overnight low temperatures tonight - Plains and urban corridor: 36-44 Mountains and valleys: 25-37 Monday's high temperatures- Plains and urban corridor: 60s Mountains and valleys: 39-62

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Highs in the 70s across the plains and 60s in the mountain valleys are expected again today. There will be plenty of sunshine in the morning with some high cloud cover in the afternoon. #COwx
Today's forecast highs: 74 in Denver, Fort Collins, and Julesburg, 61 in Estes Park and Granby.

ALT Today's forecast highs: 74 in Denver, Fort Collins, and Julesburg, 61 in Estes Park and Granby.

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Mostly clear skies expected overnight tonight, with above-normal temperatures across most of the forecast area. Mountain valleys and low-lying areas of the plains will see temperatures dip a few degrees below normal. Mostly sunny skies and mild temperatures will return Sun. #COwx
Overnight low temperatures- Mountains: 18-38 Foothills: 30-48 Plains: 31-47

ALT Overnight low temperatures- Mountains: 18-38 Foothills: 30-48 Plains: 31-47

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With plenty of sunshine, light winds, and pleasant temperatures, today will be perfect for getting outdoors. Similar weather conditions will continue through Wednesday or Thursday. #COwx
Today's high temperature forecast is: 75 in Boulder and Fort Collins, 77 in Denver, 76 in Sterling, 62 in Granby, and 65 in Estes Park

ALT Today's high temperature forecast is: 75 in Boulder and Fort Collins, 77 in Denver, 76 in Sterling, 62 in Granby, and 65 in Estes Park

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🥶Chilly start to the day! Waking up to the upper 20s and lower 30s over most of the plains, and teens/20s in the mountains. #COwx #Autumn
Graphic shows a plot of temperatures as of 6 am. Readings mostly in the upper 20s and lower 30s over the plains (some mid 30s along the I-25 Corridor), and teens and 20s in the mountains and high valleys.

ALT Graphic shows a plot of temperatures as of 6 am. Readings mostly in the upper 20s and lower 30s over the plains (some mid 30s along the I-25 Corridor), and teens and 20s in the mountains and high valleys.

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After a chilly start this morning, temperatures will moderate to the upper 50s across the urban corridor under sunny skies. The weather will be quite pleasant this weekend with highs in the 70s across the plains and plenty of sunshine.
Forecast highs across the plains will be in the 50s today and the 70s this weekend. Highs across the mountains will be in the 40s today and in the 60s this weekend.

ALT Forecast highs across the plains will be in the 50s today and the 70s this weekend. Highs across the mountains will be in the 40s today and in the 60s this weekend.

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Some of the first wintry sunsets across the mountains this season❄️🏔️ #cowx 🎦Images from FAA WeatherCams and @RockyNPS
Snow covered mountain peaks from the FAA camera at Copper Mountain, looking south.

ALT Snow covered mountain peaks from the FAA camera at Copper Mountain, looking south.

Snow covered evergreen trees looking south from the Dakota Hill FAA camera

ALT Snow covered evergreen trees looking south from the Dakota Hill FAA camera

Snow covered high peaks from the Kawuneeche Valley cameras at Rocky Mountain National Park

ALT Snow covered high peaks from the Kawuneeche Valley cameras at Rocky Mountain National Park

Snow covered mountain peaks and sun obscured by clouds looking west from the Berthoud Pass FAA camera

ALT Snow covered mountain peaks and sun obscured by clouds looking west from the Berthoud Pass FAA camera

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🥶A Freeze Warning is in effect for late tonight through Friday morning for all of the plains where temperatures are expected to fall to 26-32F. Make preparations today! #COwx
Graphic showing the locations for the Frost Advisory and Freeze Warning. All of the northeast CO plains is under a freeze warning tonight through 9am Friday.

ALT Graphic showing the locations for the Frost Advisory and Freeze Warning. All of the northeast CO plains is under a freeze warning tonight through 9am Friday.

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We could see some additional light showers late this morning and early this afternoon before precipitation clears the area. Tonight will be quite a bit colder than we’ve seen in a long while, with the potential for the first freeze of the season for the plains! #COwx
Map of forecast lows tonight showing much of our forecast area below freezing.

ALT Map of forecast lows tonight showing much of our forecast area below freezing.

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