Area Forecast Discussion
Issued by NWS Pueblo, CO

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FXUS65 KPUB 171729

Area Forecast Discussion
National Weather Service Pueblo CO
1129 AM MDT Sat Jun 17 2017

.SHORT TERM...(Today and tonight)
Issued at 338 AM MDT Sat Jun 17 2017

Today an upper level disturbance will be moving thru MT and WY and
then into the northern plains states.  This will bring westerly flow
aloft over CO today and tonight.  As the disturbance moves into the
northern plains states, it will send a front southward into
southeast CO this evening.

There will be limited moisture over the area today and so pcpn
chances are low. Temps will once again be above average ahead of the
front, with highs in the 90s acrs mst of the plains, but around 100
over the far southeast plains, and in the mid 80s to around 90 in
the San Luis and upper Arkansas River valleys. Once the front moves
through southeast CO this evening there will be gusty northeast
winds and an increase in moisture, along with an increased chance
for pcpn, mainly over the eastern mountains and plains, although
won`t go higher than isolated POPs at this time.  Forecast soundings
should a moist lower level layer overnight so will increase cloud

.LONG TERM...(Sunday through Friday)
Issued at 338 AM MDT Sat Jun 17 2017

There will be a slight increase in the potential for showers
across the region through the extended period. After a couple days
of cooler temperatures, hot conditions will return to the area.

Sunday through Monday...high pressure is forecast to build over
the Great Basin while and upper trough moves into the Missouri
Valley. This will put Colorado under northwesterly flow aloft. A
cold front will have pushed south across the Plains by Sunday
morning with cooler air. Highs will reach into the lower to mid
80s across the Plains. By Monday, temperatures will warm slightly
into the upper 80s to lower 90s. Isolated to scattered showers and
thunderstorms possible over the San Juan Range and the Southern
Sangre de Cristo Mountains during the afternoon and evening hours
both Sunday and Monday.

Tuesday through Friday...upper level high pressure will build down
into the Desert Southwest with broad westerly flow across
Colorado. Afternoon mixing should allow for warming with highs
through the period in the mid 90s to near 100 for the Plains. Weak
energy moving across the region in the westerly flow may lead to
isolated showers and thunderstorms over the mountains each
afternoon and evening. For the most part, expect the Plains to
remain dry, however one or two thunderstorms may roll off the
mountains into the I-25 corridor.  Mozley


.AVIATION...(For the 18Z TAFS through 18Z Sunday afternoon)
Issued at 1125 AM MDT Sat Jun 17 2017

A cold front will move south down the plains late this afternoon
and evening. This front will cross KCOS ~00 UTC and KPUB ~01 UTC
this late afternoon/early evening. Winds will shift to northeast
and be gusty for 2-3 hours. A lower cig is near certain and will
move in after midnight and remain over the two taf sites until
late tomorrow morning. CIGs may reach MVFR at KCOS, and just above

KALS will be VFR next 24 hours.




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