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Next Storm/Next Snow Forecast Discussion from the Cherrywood Observatory – April 23, 2019

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

In Brief:

After morning mist and clouds, we warm up for almost a week with only a small chance of an afternoon shower now and then. Next week may see a cool down and another rain event.

Forecast Discussion:

It was cloudy, misty, and foggy in places Monday PM- which will continue through Tuesday AM before dry air moves in from the north shoving the precipitation down to the south. (Figure 1 and Figure 2). There ARE showers nearby in the foothills but not much measurable overnight Monday/Tuesday close to town.

Once the clouds break, mid-morning, we warm to 70°F.

The Longer Range Forecast

By Saturday (Figure 4 and Figure 2) we are almost 20°F above normal and hovering around 80°F again. The next shot of cool air arrives Monday next week to drop us to about 5°F below normal (but still above freezing over the next 10 days - Figure 5). Rain chances return then too. More later! Enjoy some more spring.

Figure 1: The forecast surface map for Tuesday PM from NCEP.
Figure 2: the HRRR precipitation prediction up to 6 am Tuesday from weather5280.com
Figure 3: the graphical forecast for the next 10 days for Longmont, CO from weatherunderground.com
Figure 4: The forecast temperature departure from normal map from the GFS and weather5280.com for Colorado, Saturday PM.
Figure 5: The forecast temperature departure from normal map from the GFS and weather5280.com for Colorado, Monday noon.


Current Weather

Partly sunny

Partly sunny

65°F

UV Index
4 Moderate
Pressure
29.81 Falling
Visibility
8 miles
Dewpoint
20 °F
Humidity
18%
Wind
SE 4 mph
Gust
10.8 mph
Wind Chill
65 °F

Hourly Forecast

Today
3 PM
63°F
Partly sunny
Today
4 PM
64°F
Partly sunny
Today
5 PM
63°F
Partly sunny
Today
6 PM
61°F
Partly sunny
Today
7 PM
58°F
Partly sunny
Today
8 PM
55°F
Intermittent clouds
Today
9 PM
51°F
Intermittent clouds
Today
10 PM
48°F
Intermittent clouds
Today
11 PM
45°F
Intermittent clouds
Tomorrow
12 AM
44°F
Intermittent clouds
Tomorrow
1 AM
42°F
Intermittent clouds
Tomorrow
2 AM
40°F
Intermittent clouds

7 Day Forecast

Partly sunny

Thursday

64 °F

More sun than clouds


Intermittent clouds

Thursday Night

34 °F

Partly cloudy


Partly sunny w/ showers

Friday

54 °F

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


Showers

Friday Night

32 °F

A couple of showers in the evening; otherwise, cloudy


Mostly cloudy

Saturday

60 °F

Mostly cloudy


Intermittent clouds

Saturday Night

36 °F

Partly cloudy


Intermittent clouds

Sunday

62 °F

Times of sun and clouds


Mostly cloudy

Sunday Night

36 °F

Becoming cloudy


Showers

Monday

48 °F

Cloudy and chilly with occasional rain; windy in the afternoon


Intermittent clouds

Monday Night

29 °F

Windy in the evening; partly cloudy


Sunrise and Sunset

Sunrise
6:50 AM
Sunset
7:22 PM

Based on AccuWeather data