This morning in Denver (Monday, May 11), skies are clear, and temperatures are near 526F at KBJC, but a fast warm-up is on the way, with highs near 866F today and a midweek peak close to 906F by Wednesday, May 13. The air will be very dry across the plains and foothills, which bumps up localized fire weather concerns. A cold front is expected to move through Monday night (May 11 into early May 12) and could kick up brief, strong gusts behind it, so commuters and anyone with loose gear outside will want to pay attention to timing and safety.
This Week: Fast Warm Up
Monday, May 11, is expected to stay mostly sunny with a high near 866F and light southeast breezes. Tuesday, May 12, remains warm around 816F with northeast winds and gusts possible in the teens.
By Wednesday, May 13, the heat peaks with a forecast high around 906F and a slight, roughly 20 percent, chance of afternoon showers and isolated thunderstorms. Temperatures ease a bit late in the week but stay well above seasonal averages into the weekend, with highs remaining elevated and overall chances for scattered storms.
Cold Front And Gusty Winds
A weak cold front is expected to sweep through Monday night into Tuesday morning and could produce isolated gusts in the 30 to 60 mph range behind the boundary, especially over the foothills and valleys. Winds will shift from west to north after the front passes, leading to a short-lived breezy period that may topple unsecured patio furniture or rattle tree limbs.
Forecasters have laid out the timing and gust guidance in their discussion, which you can find in the NWS Denver/Boulder forecast.
Fire Weather And Dry Air
Relative humidity will fall into the low teens across parts of the plains this afternoon (Monday, May 11), making fuels very receptive to ignition where winds are stronger. That combination can raise the chance of rapid fire spread in brush and dry grass, so anyone planning yard burns or debris clearing should postpone and secure anything flammable.
If you live near the foothills, keep an eye on local fire restrictions and avoid activities that could spark a blaze, including grinding, welding, or parking hot vehicles on dry grass.
Plans And Commute Tips
Mornings will be cool and comfortable, while afternoons feel hot for outdoor plans, so bring water and try to schedule yard work or heavy exertion for the cooler hours. If you have outdoor events on Wednesday afternoon (May 13), leave room for an isolated thunderstorm with brief heavy rain and lightning, but otherwise this is a dry, sunny stretch that favors parks and patios.
For a reminder of how quickly the pattern has flipped from that late-season snow to this warm, dry run, revisit the late-week snow shock, as per Hoodline.
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