SALT LAKE CITY (ABC4) – Happy Monday, Utah! Southerly flow remains in place Monday which will allow for additional isolated showers and thunderstorms across Utah later today.
Bottom Line?! Hot and hazy conditions continue for the state with isolated thunderstorms in the mix as well, best chances of thunderstorms across southern Utah.
Strong outflow winds will remain the main threat except for the southern half of the state, heavier rainfall is possible due to better moisture in the area. Flash flood potential is ‘possible’ for Bryce Canyon National Park, Capitol Reef National Park, Zion National Park, Grand Staircase-Escalante, and the Swell.
As we head into Tuesday, a southwesterly flow will begin to move in, gradually drying out the late-season monsoonal moisture from southwest to northeast. There will still be enough moisture hanging around for some isolated storms, especially in central and northern Utah, east of I-15.
Temperatures on Tuesday will stay about five degrees above normal in the north, with highs in the upper 80s to low 90s along the Wasatch Front. Southern Utah will stay closer to average.
As we move into midweek, a longwave trough will dig into the western U.S., bringing stronger south to southwesterly winds to much of the area on Wednesday. Expect windy conditions, especially in western valleys and possibly further east. Relative humidity will drop below 15% in most valleys south of I-80, which could mean fire weather alerts if conditions are dry enough.
The timing of a cold front moving into northern Utah is expected Wednesday night, continuing through central, southern, and eastern Utah on Thursday. This may keep winds elevated through Thursday, especially in the southern and eastern valleys. After the cold front passes, temperatures in the north will drop significantly, around 20 degrees, bringing highs in the Wasatch Front down to the upper 60s. Meanwhile, southern Utah will only cool by about five degrees.
Given the ongoing wildfires in Oregon and Idaho, the front may also bring more smoke into the area. As for rain, the best chances for measurable precipitation are across northern Utah and southwest Wyoming on Thursday, especially north of I-80.
By Friday, most models show the upper trough moving away from the area, with drier air moving back in for the weekend. Northern Utah might stay cooler through Friday, but temperatures should bounce back by the weekend as a dry westerly flow takes over.
We’ll give you the latest updates in our 4Warn Weather forecast both on-air and online, we are Good4Utah!
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