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Next Storm/Next Snow Forecast Discussion from the Cherrywood Observatory – December 2, 2018

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

Forecast Discussion:

We had only a trace of snow around the county Friday into Saturday, but we did have very thick fog and freezing fog overnight. Figure 1 shows the meager, but needed, rainfall/water equivalents that fell.

Our storm is pulling out to the east creating a blizzard in the Great Plains, Our next storm is swinging in from the northwestern coast of the U.S. (Figure 2).

Figure 1: The CoCoRaHS water reports by Saturday 7am.

Figure 2: The current surface map from Saturday PM and the Weather Channel.

The longer range forecast:

The next storm arrives today giving us light snow off and on all day, but the temperatures will be above freezing during the day (Figure 3).  Temperatures bottom out on Monday (some models keep us below freezing for a day).  There is a hint of another, late week, storm on the horizon.  The jet stream is the south of us and these storm system will keep swinging through.

Figure 3: the graphical forecast for the next 10 days forecast for Longmont, CO from weatherunderground.com

Current Weather

Mostly cloudy

Mostly cloudy

49°F

UV Index
1 Low
Pressure
29.9 Steady
Visibility
7 miles
Dewpoint
44 °F
Humidity
83%
Wind
NW 1.1 mph
Gust
2.1 mph
Wind Chill
49 °F

Hourly Forecast

Today
8 AM
48°F
Intermittent clouds
Today
9 AM
54°F
Partly sunny
Today
10 AM
60°F
Intermittent clouds
Today
11 AM
68°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
Today
5 PM
72°F
Cloudy
Today
6 PM
68°F
Cloudy
Today
7 PM
65°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