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Next Storm/Next Snow Forecast Discussion from the Cherrywood Observatory – January 28, 2019

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

Forecast Discussion:

The system is moving in late Sunday night. This post would normally go up as the snow starts (1 am) so I'll post early. The GFS (Figure 1) shows a coating to almost an inch possible before noon Monday. This northwest to southeast band shows up in the HRRR in the 5 pm update on the January 27th post has a very similar look. We'll see if it verifies.  The weatherunderground model (Figure 2) has under an inch over two days (Sunday pm to Monday am) which is also approaching an inch of snow for some folks around town.

The longer range forecast:

As cold air snaps the nation in two, we stay cold to chilly until the end of the week. Another very cold blast hits the central U.S. at the end of next weekend giving us a similar set up and another chance of snow (Figure 2). That's all I've got to say about that.  (-F.G.)

Figure 2: the forecast accumulated snow map from the GFS and weather5280.com for Colorado, through Tuesday PM.

Figure 2: the graphical forecast for the next 10 days for Longmont, CO from weatherunderground.com

Current Weather

Mostly cloudy

Mostly cloudy

40°F

UV Index
0 Low
Pressure
29.8 Steady
Visibility
8 miles
Dewpoint
30 °F
Humidity
68%
Wind
N 2.7 mph
Gust
4.7 mph
Wind Chill
38 °F

Hourly Forecast

Today
6 AM
38°F
Cloudy
Today
7 AM
37°F
Intermittent clouds
Today
8 AM
38°F
Intermittent clouds
Today
9 AM
41°F
Intermittent clouds
Today
10 AM
44°F
Intermittent clouds
Today
11 AM
47°F
Intermittent clouds
Today
12 PM
49°F
Intermittent clouds
Today
1 PM
51°F
Intermittent clouds
Today
2 PM
52°F
Intermittent clouds
Today
3 PM
52°F
Intermittent clouds
Today
4 PM
51°F
Intermittent clouds
Today
5 PM
50°F
Intermittent clouds

7 Day Forecast

Partly sunny w/ showers

Friday

52 °F

Cooler with times of clouds and sun; a couple of showers late this afternoon


Showers

Friday Night

34 °F

A couple of showers this evening; otherwise, cloudy


Mostly cloudy

Saturday

60 °F

Mostly cloudy


Intermittent clouds

Saturday Night

34 °F

Partly cloudy


Intermittent clouds

Sunday

62 °F

Periods of clouds and sun


Mostly cloudy

Sunday Night

33 °F

Becoming cloudy


Showers

Monday

52 °F

Cloudy and cooler with occasional rain; windy in the afternoon


Intermittent clouds

Monday Night

29 °F

Windy in the evening; partly cloudy


Mostly sunny

Tuesday

61 °F

Mostly sunny and milder


Clear

Tuesday Night

29 °F

Clear


Sunrise and Sunset

Sunrise
6:48 AM
Sunset
7:23 PM

Based on AccuWeather data