textproduct: Pueblo

KEY MESSAGES

- Hot temperatures along with showers and thunderstorms expected each day through next Wednesday.

- Sunday and Monday look to have the most widespread coverage, including flash flooding on area burn scars.

SHORT TERM /THROUGH FRIDAY NIGHT/

Issued at 1234 PM MDT Thu Aug 20 2026

Currently...radar imagery is starting to show isolated to scattered showers and thunderstorms developing across much of the higher terrain across southern Colorado. These storms will shift south and east this afternoon over the mountains, with some spread expected into this evening across the I-25 corridor. A few of these storms could produce locally heavy rainfall and gusty outflow winds to near 50 mph. If a storm moves over the Aspen Acres burn scar, localized flash flooding could occur. Temperatures have warmed into the upper 80s to lower 90s across the Plains, and will top out in the mid to upper 90s this afternoon.

Tonight...upper level energy rounding an upper high to the south will keep shower and thunderstorm activity going across the higher terrain, spreading into the I-25 corridor, especially for areas south of Highway 50. This activity looks to dissipate this evening with the loss of daytime heating and instability. AS mentioned above, locally heavy rainfall and gusty outflow winds could accompany stronger storm cells. Once this activity dissipates and clears the area, quiet conditions will prevail into Friday morning. Overnight lows will remain mild with 50s and 60s across the lower elevations.

Friday and Friday night...the upper level high is forecast to build northward on Friday, with drier air working into place. Weak energy rounding the upper high will spread southward across the state, with another round of afternoon and evening thunderstorms. With the drier air working into the area, thunderstorm coverage looks less, mainly out along the Continental Divide. While coverage will be less, if a storm hits a burn scar, flash flooding could happen. Temperatures will remain hot, with mid 90s to lower 100s on the Plains during the afternoon. Shower and thunderstorms look to dissipate during the evening, with quiet weather prevailing overnight into Saturday morning. Overnight temperatures will remain mild, with 50s and 60s across the region.

LONG TERM /SATURDAY THROUGH WEDNESDAY/

Issued at 1234 PM MDT Thu Aug 20 2026

Models in good agreement through the extended period with persistent monsoonal moisture moving across the Rockies.

Saturday through Wednesday...persistent high pressure will sit across the Rockies with near daily, upper disturbances moving overhead. Saturday looks like a down day, with mostly isolated to scattered shower and thunderstorm activity across Colorado. As we move into Sunday and Monday, two strong embedded upper waves will track southeast across Colorado. Each will bring a round of widespread thunderstorms and heavy rainfall for most of southern Colorado. The flash flood risk will be elevated both days on area burn scars. Moving into next week, several waves will move across Colorado, each generating daily afternoon and evening thunderstorms across the Mountains, spreading southeast into the adjacent Plains. Overall, temperatures will remain hot, with upper 80s to upper 90s across the Plains.

AVIATION /18Z TAFS THROUGH 18Z FRIDAY/

Issued at 1120 AM MDT Thu Aug 20 2026

KALS...VFR conditions into this afternoon, with a few showers or thunderstorms possible late afternoon into the evening. Brief heavy rainfall could be possible along with outflow wind gusts near 35 kts. This activity will clear to the south through the evening with quiet conditions overnight.

KCOS...VFR conditions through most of the forecast period. An isolated thunderstorm could be possible this afternoon into early evening. Outflow wind gusts near 35 kts may be possibe with any nearby storms. Mid and high clouds will prevail through much of the overnight period, clearing by Friday morning.

KPUB...VFR conditions through much of the forecast period. Increased chance of thunderstorms this afternoon and early evening. Outflow wind gusts in excess of 35 kts are likely with any passing storms. Mid and high clouds will prevail through much of the overnight period, clearing late.

PUB WATCHES/WARNINGS/ADVISORIES

None.