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Longmont Weather Forecast 8/7-9/2020

In Brief:

The high is back - the air is dry - hot and dry weather will hold for most of the next week.

Forecast Discussion:

The ridge has shifted as predicted shuttling the moisture flow off to the east (see green line in Figure 1 in the gallery above).  Dry air (red and orange colors and the orange arrow) is flowing across the state. There is a low off the west coast with a ridge to our east (Figure 2).  Southwest flow across the state will warm air a bit more as it flows downslope off the Rockies. The weekend will see upper 90'sF weather again and dry conditions (Figure 3).

The Longer Range Forecast:

Over the next 5 days, rainfall will be very llight and confined to the far eastern and southeastern plains of Colorado (Figure 4). The only fly in our summer ointment will be a small shortwave approaching and passing the state Monday and Tuesday (Figure 5, wiggle in the black 500mb line over Colorado).  We briefly cool to the upper 80'sF Monday and have a very small chance of thunderstorms those two afternoons (Figure 3).

This is the last 3 day post for my last summer vacation week.


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

Mostly sunny

Mostly sunny

93°F

UV Index
1 Low
Pressure
29.86 Falling
Visibility
8 miles
Dewpoint
42 °F
Humidity
17%
Wind
ESE 3.5 mph
Gust
8 mph
Wind Chill
93 °F

Hourly Forecast

Today
8 PM
88°F
Intermittent clouds
Today
9 PM
83°F
Intermittent clouds
Today
10 PM
79°F
Intermittent clouds
Today
11 PM
75°F
Intermittent clouds
Tomorrow
12 AM
72°F
Intermittent clouds
Tomorrow
1 AM
69°F
Intermittent clouds
Tomorrow
2 AM
68°F
Intermittent clouds
Tomorrow
3 AM
67°F
Intermittent clouds
Tomorrow
4 AM
66°F
Intermittent clouds
Tomorrow
5 AM
65°F
Intermittent clouds
Tomorrow
6 AM
64°F
Intermittent clouds
Tomorrow
7 AM
67°F
Intermittent clouds

7 Day Forecast

Sunny

Thursday

95 °F

Very warm with sunshine


Intermittent clouds

Thursday Night

64 °F

Partly cloudy


Partly sunny w/ t-storms

Friday

89 °F

Partly sunny with a thundershower in spots in the afternoon


Clear

Friday Night

61 °F

Clear


Partly sunny

Saturday

93 °F

Partly sunny


Clear

Saturday Night

56 °F

Clear


Partly sunny

Sunday

89 °F

Partly sunny with a stray thunderstorm


Clear

Sunday Night

57 °F

Clear


Partly sunny

Monday

93 °F

Partly sunny


Clear

Monday Night

57 °F

Clear


Sunrise and Sunset

Sunrise
5:36 AM
Sunset
8:33 PM

Based on AccuWeather data