Head Advisory issued for Fri. & Sat., Fire Weather Warning for Sun.
GRAND JUNCTION, Colo. (KKCO) - The record heat will reach its peak between Friday and Saturday. Record highs will be challenged. Some of them may be broken. We’ll simmer on Sunday, then the heat will begin to lose its edge more noticeably on Monday. Temperatures will drop nearly 20 degrees by Tuesday from Saturday’s highs.
Heat Advisory: Friday & Saturday
A Heat Advisory is in effect from noon Friday until 10 PM Saturday for the Grand Valley on Colorado’s Western Slope. This includes Grand Junction and surrounding areas as well as eastern Utah. High temperatures near 100 degrees can lead to heat exhaustion or heat stroke. If you have to be outside in the heat, you should take frequent breaks in the air conditioning or at least in the shade. Stay hydrated by drinking plenty of water, and don’t overexert yourself when you are outside. Remember to never leave children or pets in a hot vehicle for any length of time.
Fire Weather Watch: Sunday
A Fire Weather Watch is in effect for Colorado’s Western Slope from Glenwood and Gunnison counties south and west to the Utah and New Mexico state lines. This includes Mesa, Gunnison, and Delta counties. A Fire Weather Watch means weather conditions are favorable for wildfires to start and spread rapidly. In this case, wind gusts up to 35 mph combined with relative humidity less than 10% are increasing that fire danger. Any outdoor burning should be postponed until weather is more favorable to contain the fires.
Our Next 24 Hours
Tonight will be mostly clear. We’ll cool slowly through the 90s, but it may be 9 PM before we cool into the 80s. Low temperatures by morning will be in the lower and middle 60s. We’ll average 65 degrees for the low around Grand Junction and 61 degrees around Montrose. Friday will be mainly sunny a scorching hot. We’ll challenge the record highs of 100 in Grand Junction and 99 in Montrose with highs in the middle and upper 90s. The high will average 99 degrees in Grand Junction and 96 degrees in Montrose. Several backyard thermometers will likely break 100 degrees on Friday afternoon.
The two main features affecting us on the weather map today are a hot area of high pressure right over Colorado and a cooler low pressure circulation in the Pacific Ocean just off the coast of Washington and British Columbia. These two features aren’t going to show a lot of movement until Sunday and Monday. By the Tuesday, the hot high pressure will be over the Ohio Valley. The low pressure will mainly pass north of us. It will not be close enough to bring us any significant rain, but it will be close enough to knock our near-100-degrees temperatures on Saturday down to the lower 80s by Tuesday. Until the high pressure starts to move, however, we will be in the figurative oven.
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