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Longmont weather forecast: Warm spring weather

The video forecast for this week.

In Brief:

Incredibly nice, warm, dry weather settles in for most of the next ten days. Spring!

Friday PM update:

The incredible warm weather continues through Monday. There are hints of showers Tuesday.

 

Figure1u_04022021Figure 1 update: the 10 day graphical forecast from weatherunderground.com for Longmont, CO.

 

End Friday PM update.

Forecast Discussion:

High pressure is here!  (Figure 1). Each day, temperatures rise to record and above record levels (Figure 2) with very little chance of precipitation. Figure 3 shows the big ridge over the area by the end of the week. There is some concern of fire danger as these "hot" dry conditions persist for the next week and beyond. But it will feel great!

 

Figure1_04012021Figure 1: the surface forecast analysis for Friday AM from NCEP.

 

Figure2_04012021Figure 2: the 10 day graphical forecast from weatherunderground.com for Longmont, CO.

 

Figure3_04012021Figure 3: the 500mb upper air forecast map for Monday noon from the GFS and tropicaltidbits.com

 

The Longer-Range Forecast:

We could set an all-time Easter high-temperature record and do the same on Monday (Figure 4) with temperatures over 20 degrees above normal.  We should expect nearly nothing in the way of snow (Figure 5) or rain (Figure 6). Get out and enjoy this beautifulness.

 

 

Figure4_04012021Figure 4: the temperature anomaly (departure from normal) for Monday noon from tropicaltidbits.com

 

Figure5_04012021Figure 5: the 10 day (10:1 ratio) total snowfall forecast from the GFS and weather5280.com

 

Figure6_04012021Figure 6: the 10 day total precipitation 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

Cloudy

Cloudy

60°F

UV Index
0 Low
Pressure
30 Rising
Visibility
8 miles
Dewpoint
35 °F
Humidity
40%
Wind
W 2.2 mph
Gust
4.7 mph
Wind Chill
60 °F

Hourly Forecast

Today
11 PM
57°F
Showers
Tomorrow
12 AM
55°F
Cloudy
Tomorrow
1 AM
53°F
Cloudy
Tomorrow
2 AM
52°F
Cloudy
Tomorrow
3 AM
51°F
Cloudy
Tomorrow
4 AM
49°F
Mostly cloudy
Tomorrow
5 AM
47°F
Mostly cloudy
Tomorrow
6 AM
44°F
Intermittent clouds
Tomorrow
7 AM
46°F
Intermittent clouds
Tomorrow
8 AM
51°F
Mostly cloudy
Tomorrow
9 AM
56°F
Mostly cloudy
Tomorrow
10 AM
59°F
Mostly cloudy

7 Day Forecast

Partly sunny

Friday

70 °F

Sunshine mixing with some clouds


Mostly cloudy

Friday Night

44 °F

A shower in spots late this evening; otherwise, mostly cloudy


Mostly cloudy

Saturday

70 °F

Mostly cloudy


Mostly clear

Saturday Night

45 °F

Mainly clear


Mostly cloudy w/ t-storms

Sunday

65 °F

Variable cloudiness with a couple of showers and a thunderstorm; breezy in the afternoon


Mostly cloudy

Sunday Night

47 °F

A thunderstorm on the prowl in the evening; otherwise, increasing clouds


Intermittent clouds

Monday

65 °F

Times of clouds and sun


Cloudy

Monday Night

44 °F

Cloudy


Mostly cloudy

Tuesday

72 °F

Overcast in the morning, then intervals of clouds and sunshine in the afternoon


Clear

Tuesday Night

41 °F

Clear


Sunrise and Sunset

Sunrise
5:44 AM
Sunset
8:10 PM

Based on AccuWeather data