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UPDATED: The Next Storm/Next Snow Forecast Discussion from the Cherrywood Observatory – February 20 , 2018

This content was originally published by the Longmont Observer and is licensed under a Creative Commons license.

Forecast Discussion:

Everything is on track with the ongoing storm... very cold air is in place today and light flurries are possible into this evening.  Your meteorologist is hoping to catch an (on time) flight out to DCA in the morning, so I'm packing and scrambling.

I'll update this post with some early snow reports later in the day (when more have come in and I've checked into my hotel).

In the meantime, take a look at the great banding that formed - and go back a day and two and compare to what the models were predicting.  I'm impressed actually!

UPDATE later Tuesday PM:

There was a lot of variability with the snow totals due to the banding (see lower two images). Figure 3 shows Ft. Collins with 6 inches on the southwest foothills down to 1.5 inches east of town. Berthoud got a solid 5-6 inches.

Figure 4: Longmont received 4-7 inches of snow (5 inches at my house). Boulder received 5-8 inches.

Figure 5: Denver received 7 inches in the west and 2 inches in the east. Overall, this was much needed moisture.

Figure 3: CoCoRaHS reports for Larimer County.

Figure 4: CoCoRaHS reports for Boulder County.

Figure 5: CoCoRaHS reports for Denver Metro.

Figure 1: Radar Scope Pro (for the iPhone) from 2:50pm MT Monday.

Figure 2: Radar Scope Pro (for the iPhone) from 8:32pm MT Monday.

Current Weather

Mostly cloudy

Mostly cloudy

51°F

UV Index
0 Low
Pressure
29.89 Falling
Visibility
7 miles
Dewpoint
45 °F
Humidity
81%
Wind
NNW 2.6 mph
Gust
6.5 mph
Wind Chill
51 °F

Hourly Forecast

Today
5 AM
47°F
Partly cloudy
Today
6 AM
46°F
Mostly clear
Today
7 AM
44°F
Partly sunny
Today
8 AM
52°F
Partly sunny
Today
9 AM
59°F
Partly sunny
Today
10 AM
65°F
Intermittent clouds
Today
11 AM
71°F
Intermittent clouds
Today
12 PM
75°F
Intermittent clouds
Today
1 PM
77°F
Intermittent clouds
Today
2 PM
75°F
Thunderstorms
Today
3 PM
73°F
Cloudy
Today
4 PM
73°F
Cloudy

7 Day Forecast

Mostly cloudy w/ t-storms

Thursday

77 °F

Turning cloudy, warm; breezy, a stray thunderstorm this afternoon


Thunderstorms

Thursday Night

47 °F

A thunderstorm in spots this evening; otherwise, considerable cloudiness


Thunderstorms

Friday

69 °F

Mostly cloudy and not as warm with a couple of thundershowers


Thunderstorms

Friday Night

44 °F

Cloudy with a couple of thundershowers


Rain

Saturday

46 °F

Chilly with periods of rain and a thunderstorm


Rain and snow

Saturday Night

39 °F

Cloudy with rain, mixed with a little snow late


Mostly cloudy

Sunday

59 °F

Mostly cloudy and warmer; a stray afternoon thundershower


Partly cloudy

Sunday Night

36 °F

Partly cloudy


Mostly sunny

Monday

71 °F

Mostly sunny and warmer


Partly cloudy

Monday Night

39 °F

Partly cloudy


Sunrise and Sunset

Sunrise
6:07 AM
Sunset
7:50 PM

Based on AccuWeather data