Skip to content
Join our Newsletter

Update 5/30 10am: Longmont Weather Update

For May 29-30, 2020 from the Cherrywood Observatory

Update 5/30 10am:

In Brief:

Expect above normal temperatures with more and sometimes fewer thunderstorms every day for the next week.

The 5/30 10am update:

Figure 1 update shows the Storm Prediction Center (SPC) is painting us with a marginal (1 on a scale of 1-5) risk of severe weather this afternoon.  Storm coverage will be better today and tonight than the past few days, but conditions are not great for severe weather.  I expect only a few cells to approach severe limits - which would include large hail and damaging winds.  More likely, many folks will see around 0.10 inch of water.  Sunday (Figure 2 update - another marginal risk) will be very similar to today, but storms and/or rain will be more widely scattered.   The real main threat, as always with thunderstorms, is lightning.  Be ready to seek shelter if you hear thunder.  Enjoy the warm beautiful weekend!

End of the 5/30 10am update.

Forecast Discussion:

The front that cooled things down on Thursday will drift off to the east brining on the heat (Figure 1 in the gallery). We'll see garden variety storms Friday afternoon with very warm (almost 90F) (Figure 2 in the gallery).  Enjoy your morning walk!

The Longer-Range Forecast:

Temperatures stay very warm through the weekend. Storms may become a bit more severe (barely) on Saturday afternoon with the heat and moisture in place (Figure 4 in the gallery). The big ridge over our heads is responsible for the warmth and the nearby trough to the west will help generate some lift (Figure 3 in the gallery). We will probably see the high temperature climb above 90F on Monday as the ridge gets even larger and stronger by the end of the weekend (Figure 5 in the gallery). There is a bit of a cool down and more storms Tuesday/Wednesday, next week (Figure 2), as a trough punches through the ridge (Figure 6 in the gallery). With a pattern like this, one has to look closely at the data for interesting changes!


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.
Read more


Comments


Current Weather

Mostly cloudy

Mostly cloudy

90°F

UV Index
6 High
Pressure
30.01 Falling
Visibility
8 miles
Dewpoint
40 °F
Humidity
17%
Wind
W 4 mph
Gust
10.5 mph
Wind Chill
90 °F

Hourly Forecast

Today
11 AM
92°F
Partly sunny
Today
12 PM
94°F
Intermittent clouds
Today
1 PM
96°F
Mostly cloudy
Today
2 PM
96°F
Mostly cloudy
Today
3 PM
94°F
Cloudy
Today
4 PM
93°F
Cloudy
Today
5 PM
93°F
Cloudy
Today
6 PM
92°F
Cloudy
Today
7 PM
89°F
Mostly cloudy
Today
8 PM
84°F
Partly sunny
Today
9 PM
78°F
Mostly clear
Today
10 PM
73°F
Mostly clear

7 Day Forecast

Intermittent clouds

Tuesday

96 °F

Very warm with intervals of clouds and sunshine


Partly cloudy

Tuesday Night

61 °F

Partly cloudy


Partly sunny w/ t-storms

Wednesday

81 °F

Times of sun and clouds with a thunderstorm in the afternoon; thunderstorms can bring hail and damaging winds


Partly cloudy w/ t-storms

Wednesday Night

60 °F

An evening thunderstorm; otherwise, partly cloudy


Mostly cloudy

Thursday

88 °F

Mostly cloudy with a thunderstorm in spots in the afternoon


Partly cloudy

Thursday Night

58 °F

Partly cloudy


Mostly cloudy

Friday

91 °F

Variable cloudiness


Mostly clear

Friday Night

61 °F

Clear to partly cloudy


Partly sunny

Saturday

88 °F

Partly sunny with a thunderstorm in spots in the afternoon


Clear

Saturday Night

60 °F

Clear


Sunrise and Sunset

Sunrise
5:44 AM
Sunset
8:29 PM

Based on AccuWeather data