Security-Widefield, Colorado 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

093
FXUS65 KPUB 060548
AFDPUB

Area Forecast Discussion
National Weather Service Pueblo CO
1148 PM MDT Thu Jun 5 2025

.KEY MESSAGES...

- Strong to severe storm risk continues across the plains
  through the evening.

- Scattered showers and storms again on Friday, with some
  strong to severe storms possible.

- Daily afternoon showers and thunderstorms return to southern
  Colorado late this weekend through the end of the period.

&&

.UPDATE...
Issued at 1044 PM MDT Thu Jun 5 2025

Quick update to the forecast package for cancellation of the
Severe Thunderstorm Watch across the far eastern plains. Low
level easterly flow is keeping high dewpoints back up along the
I-25 Corridor tonight, setting up for an active day tomorrow.
There may be a few isolated showers overnight tonight in El Paso
County and perhaps western Pueblo County. Moore

&&

.SHORT TERM /THROUGH FRIDAY NIGHT/...
Issued at 316 PM MDT Thu Jun 5 2025

Severe risk continues this afternoon into the evening, with the
current Severe Thunderstorm and Tornado Watches still very much
valid at this time. Intensity of thunderstorm has currently
come down, though coverage of these storms continues to increase
especially across the Pikes Peak region. This area along with
areas across the far southeast plains will likely continue to
note additional development through the afternoon and early
evening hours. Strong focus via surface trough/boundaries and
aided in this development today and will continue to do so,
especially as well defined short wave energy pushes overhead.

For the Pikes Peak region, the I-52 corridor, and areas just to
the east of the I-25 corridor, the risk of severe storms
remains as steep lapse rates, CAPE up to 1000-1500 j/kg and bulk
shear of 30- 35kt are still in place. However, latest RAP
analysis is showing stability increasing in this area, which
makes sense given the persistent precip development so far
today. If this continues, could see the coverage of any stronger
storm development stay low. For the southeast plains, the
strongest development has shifted more into KS though there
still are some cells developing along that boundary. While the
risk of additional severe storms may be

TSRA should clear to the east of the TAF sites by 01Z with a
couple hours of gusty northerly winds at KCOS and KPUB through
02-03z. KALS more likely to see gusty winds near high based
showers through 01z before winds become light and variable
overnight. There is the potential for MVFR to IFR stratus and
fog at KCOS and KPUB after 10-11z for both terminals, with
lowest cigs and vis at KCOS. Cigs should lift and break around
16z with a return to VFR conditions by 18z.


There will be a
better chance for TSRA at KCOS and KPUB Friday afternoon with
the potential for large hail and damaging winds if storms make a
direct hit. Will include a Prob30 for both terminals after 21z.
Lower storm chances at KALS leads to more uncertainty and will
leave -TSRA out of the TAF for now and let later shifts re-
assess. Gusty winds would be the primary concern for KALS with
any storms in the vicinity. more isolated in these
areas this afternoon, think the risk of storms capable of
producing large hail, damaging winds, and even a tornado or two
remain possible. As the wave pushes overhead, should see 700mb
flow increase along with the current ongoing WAA. As this
occurs, should see additional development on this boundary and
even further to the south along an additional trough axis near
the CO/KS border. Highest values of instability and shear remain
in this area, which will again support all hazards. Latest RAP
analysis shows highest sig tor and sig hail values in this
location, which short term guidance shows increasing through the
remaining afternoon/evening. Again, given these trends, will
continue to message the continued risk of severe storms.

Coverage and intensity of storms will wane into the evening
hours, but do think at least an isolated severe storm will
remain possible over the southeast plains. Expect a similar
pattern along with similar strong to severe storm risks,
especially as moisture rich air remains situated across southern
Colorado. This will help keep the instability axis in place and
if not even further to the west into the I-25 corridor. This
would bring the risk of strong to severe storms back to most of
south central and southeast Colorado Friday afternoon into the
evening hours.

&&

.LONG TERM /SATURDAY THROUGH THURSDAY/...
Issued at 316 PM MDT Thu Jun 5 2025

Over the weekend, deep upper low develops over the upper
Midwest, while upper level ridge builds over the wrn U.S. With
slow build in mid level heights and subsidence behind departing
upper trough, Saturday still looks like a down day for
convection, as both wind shear and deep instability will be
lacking, and many models/ensembles show only isolated tsra
coverage Sat afternoon/evening. On Sun, return of southeast
upslope flow behind a cold front suggests increasing
shower/thunderstorm chances, especially southeast mountains and
plains. For Mon/Tue/Wed, northwest flow aloft gradually
transitions back to wly as upper level ridge migrates through
the Rockies. Pattern would suggest a continuation of
afternoon/evening thunderstorms through the period, with
mountain convection during the day, moving e-se across the
plains each evening. Building heights/temps under the ridge
should boost temperatures back to near seasonal averages, with a
few spots on the plains around 90f by midweek.

&&

.AVIATION /06Z TAFS THROUGH 06Z SATURDAY/...
Issued at 1147 PM MDT Thu Jun 5 2025

Very good chance for severe convection across much of the southeast
plains today by midday, affecting KCOS and KPUB. Primary threats
will be hail up to 2 inches in diameter, wind gusts exceeding 60 kts
and frequent cg ltg.

KCOS: VFR until 09z, then MVFR-IFR conditions due to lowering
cigs and vsby between 09z-18z. PROB30 for -tsra and MVFR-IFR
cigs from 18z through end of forecast period.

KPUB: VFR predominantly through 00z, with intermittent MVFR-IFR due
to lowering cigs and vsby between 10z-14z. PROB30 for -tsra
begins 19z and lasts through 05z, with intermittent MVFR-IFR
conditions due to low cigs and vsby more probable after 00z.

KALS: VFR conditions anticipated through the forecast period.
Southwest surface winds increasing tomorrow afternoon with gusts to
25 kts possible between 20z-02z, especially with convection across
surrounding higher terrain.

&&

.PUB WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$

UPDATE...MOORE
SHORT TERM...
LONG TERM...
AVIATION...MOORE