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The Next Storm/Next Snow Forecast Discussion from the Cherrywood Observatory – January 11, 2018

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

Forecast Discussion:

The front is sweeping down the Front Range this evening, Wednesday. We've had enough rainfall to wet the ground.  Hurray!

I'll update briefly in the morning with the rainfall and snowfall reports.

Rainfall update in Figure 1A... Longmont got enough water to make a puddle... well most of us did!

Figure 1a: Rainfall reports for the 24 hours ending 1/11/2018 at 7am from CoCoRaHS.

The longer range forecast:

Temperatures go back above normal today and get even warmer beyond that for the next 10 days (Figure 1). There is a small storm passing on Friday and another prolonged unsettled period from Sunday PM to Tuesday... but neither are very wet or cold.

Just for fun - let's look at the GFS and the next 10 days. Figure 2 has Longmont as the pink dot- and it only gives us 1-2".   Someone needs to do some sort of mystical snow ritual for us!

Figure 1: The 10 day graphical forecast for Longmont. Notable storms and the temperature trend is here.

Figure 2: The GFS snowfall total forecast for the next 10 days. Longmont is the pink dot.

Current Weather

Mostly cloudy

Mostly cloudy

53°F

UV Index
0 Low
Pressure
29.94 Rising
Visibility
8 miles
Dewpoint
31 °F
Humidity
42%
Wind
NE 9.4 mph
Gust
19.4 mph
Wind Chill
53 °F

Hourly Forecast

Today
7 PM
55°F
Partly sunny
Today
8 PM
53°F
Partly cloudy
Today
9 PM
50°F
Partly cloudy
Today
10 PM
47°F
Partly cloudy
Today
11 PM
45°F
Partly cloudy
Tomorrow
12 AM
43°F
Partly cloudy
Tomorrow
1 AM
41°F
Partly cloudy
Tomorrow
2 AM
41°F
Partly cloudy w/ showers
Tomorrow
3 AM
40°F
Partly cloudy w/ showers
Tomorrow
4 AM
39°F
Partly cloudy
Tomorrow
5 AM
39°F
Partly cloudy
Tomorrow
6 AM
37°F
Partly sunny

7 Day Forecast

Partly sunny

Friday

76 °F

More sunshine than clouds; breezy this afternoon


Partly cloudy w/ showers

Friday Night

37 °F

Partly cloudy with a couple of showers late


Partly sunny

Saturday

66 °F

Not as warm with sun and some clouds


Mostly clear

Saturday Night

39 °F

Clear to partly cloudy


Mostly cloudy

Sunday

76 °F

Mostly cloudy and warmer; breezy in the afternoon


Mostly cloudy

Sunday Night

51 °F

Rather cloudy; windy late


Windy

Monday

60 °F

Winds gusting past 40 mph; cloudy and cooler


Intermittent clouds

Monday Night

43 °F

Breezy in the evening; otherwise, partly cloudy


Intermittent clouds

Tuesday

62 °F

Times of clouds and sun; windy in the afternoon


Intermittent clouds

Tuesday Night

36 °F

Clearing


Sunrise and Sunset

Sunrise
5:57 AM
Sunset
7:58 PM

Based on AccuWeather data