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Monday Update: The Front Range Forecast: Bitter cold and some snow

Monday morning update:

I know everyone wants to know snowfall totals, but the big story with this system is the prolonged cold. Let's talk about the snow though - from Longmont to Broomfield we should see about 1-2 inches a day Monday to Wednesday. Areas east of I-25 will see very little show while the foothills will see 9-12 inches over the week according to the 'fluffier' 15:1 snowfall ratio map from the GFS (Figure 1 update).

The forecasters at weather5280.com (Figure 2 update) don't go that high, but give the Longmont-Broomfield region 2-4 inches. The roads along I-25 shouldn't get bad, often, since there will be just a little snow each day, and it will be very 'dry' due to the low temperatures.

The cold front should sweep down the state between noon and 2 p.m. (dashed line Figure 3 update). We won't get back to freezing until Saturday midday next weekend. I expect single-digit highs Tuesday and 2-3 nights below zero lows Tue/Wed/Thur. With a stiff breeze at times, wind chills will be very painful and dangerous. As I write, we do not have any weather statements, watches, or warnings along I-25 or even up in Estes Park. Still - stay warm!

 

Figure1u_02212022
Figure 1 update: the 15:1 snowfall total forecast from the GFS and weather5280.com for the next 7 days.
Figure2u_02212022
Figure 2 update: the hand-drawn storm snowfall forecast from the forecasters at weather5280.com
Figure3u_02212022
Figure 3 update: the 10 day graphical forecast for Broomfield from weatherunderground.com

 


About the Author: John Ensworth

John Ensworth used to work from Longmont as the PI for the NASA through the IGES (The Institute for Global Environmental Strategies). He now teaches technology, algebra, astronomy, meteorology, film school, and Lego robotics to middle/high school.
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Current Weather

Clear

Clear

-21°F

UV Index
0 Low
Pressure
30.22 Falling
Visibility
8 miles
Dewpoint
-28 °F
Humidity
70%
Wind
NW 2.2 mph
Gust
3.9 mph
Wind Chill
-21 °F

Hourly Forecast

Today
4 AM
-14°F
Mostly clear
Today
5 AM
-10°F
Mostly clear
Today
6 AM
-6°F
Mostly clear
Today
7 AM
-2°F
Mostly cloudy
Today
8 AM
4°F
Mostly cloudy
Today
9 AM
10°F
Mostly cloudy
Today
10 AM
18°F
Mostly cloudy
Today
11 AM
25°F
Mostly cloudy
Today
12 PM
31°F
Mostly cloudy
Today
1 PM
36°F
Mostly cloudy
Today
2 PM
38°F
Mostly cloudy
Today
3 PM
39°F
Mostly cloudy

7 Day Forecast

Partly sunny w/ flurries

Monday

10 °F

A morning flurry; otherwise, colder with clouds giving way to some sun; extreme cold can be dangerous for outdoor activities


Cold

Monday Night

-17 °F

Clear and bitterly cold; extreme cold can be dangerous for outdoor activities


Mostly cloudy

Tuesday

41 °F

Mostly cloudy and not as cold; breezy this afternoon


Partly cloudy

Tuesday Night

15 °F

Windy this evening; partly cloudy


Intermittent clouds

Wednesday

33 °F

A blend of sun and clouds


Mostly cloudy

Wednesday Night

8 °F

Becoming cloudy


Mostly sunny

Thursday

36 °F

Mostly sunny


Intermittent clouds

Thursday Night

15 °F

Partly cloudy


Intermittent clouds

Friday

41 °F

Intervals of clouds and sunshine


Snow

Friday Night

17 °F

Snow and flurries at times


Sunrise and Sunset

Sunrise
7:19 AM
Sunset
5:05 PM

Based on AccuWeather data