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The Front Range Forecast: Mostly quiet and warm

In Brief:

Late Spring weather settles in with only a weak cold front cooling and bring moisture Monday.

Forecast Discussion:

Things are quite warm and quiet as we sail through the weekend (Figure 1). There will be a return of wandering afternoon thunderstorms for the weekend.

 

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Figure 1: the 10 day graphical forecast for Longmont from weatherunderground.com

The Longer Range Forecast:

The next 'system' is weak cold front pushed by the trough approaching from the west in Figure 2. Temperatures do drop below normal, but don't even approach freezing (Figure 1).  At this time, the weatherunderground model has about 1/3rd of an inch of liquid falling. The GFS gives us 1/10th to 1/4th of an inch.  Thunderstorms may drop locally heavier totals.

For fun, I included the snowfall forecast.  It is only the highest elevations that will see falling flakes.

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Figure 2: the 500mb upper air forecast model for Monday night from the GFS and tropicaltidbits.com

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Figure 3: the 5 day precipitation forecast from the GFS and weather5280.com
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Figure 4: the 5 day 10:1 snowfall forecast from the GFS and weather5280.com

 


About the Author: John Ensworth

John Ensworth used to work from Longmont as the PI for the NASA through the IGES (The Institute for Global Environmental Strategies). He now teaches technology, algebra, astronomy, meteorology, film school, and Lego robotics to middle/high school.
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Current Weather

Partly sunny

Partly sunny

72°F

UV Index
5 Moderate
Pressure
30 Steady
Visibility
8 miles
Dewpoint
54 °F
Humidity
52%
Wind
SSE 1.7 mph
Gust
3.2 mph
Wind Chill
72 °F

Hourly Forecast

Today
10 AM
76°F
Partly sunny
Today
11 AM
82°F
Mostly sunny
Today
12 PM
89°F
Mostly sunny
Today
1 PM
91°F
Mostly sunny
Today
2 PM
89°F
Mostly cloudy w/ t-storms
Today
3 PM
88°F
Intermittent clouds
Today
4 PM
86°F
Intermittent clouds
Today
5 PM
83°F
Intermittent clouds
Today
6 PM
80°F
Intermittent clouds
Today
7 PM
77°F
Intermittent clouds
Today
8 PM
74°F
Partly sunny
Today
9 PM
71°F
Partly cloudy

7 Day Forecast

Partly sunny w/ t-storms

Thursday

91 °F

Sunshine mixing with clouds with a thunderstorm in spots this afternoon; thunderstorms can bring hail and damaging winds


Mostly clear

Thursday Night

57 °F

Clear to partly cloudy


Partly sunny w/ t-storms

Friday

90 °F

Intervals of clouds and sunshine with a thunderstorm in spots in the afternoon


Mostly clear

Friday Night

57 °F

Mainly clear


Partly sunny

Saturday

94 °F

Partly sunny and hot; possible danger of dehydration and heatstroke while doing strenuous activities


Clear

Saturday Night

56 °F

Clear


Partly sunny

Sunday

93 °F

Partly sunny and hot; possible danger of dehydration and heatstroke while doing strenuous activities


Mostly clear

Sunday Night

55 °F

Clear to partly cloudy


Intermittent clouds

Monday

94 °F

Hot with times of clouds and sun; caution advised if outside for extended periods of time


Mostly clear

Monday Night

57 °F

Mainly clear


Sunrise and Sunset

Sunrise
5:30 AM
Sunset
8:30 PM

Based on AccuWeather data