Not all rain stops a job, but enough of it does that it's worth understanding what actually causes a delay versus what we can work through. This region gets its wettest stretches typically in late winter and early spring, and that's when scheduling questions about rain come up most.
What actually stops work
Saturated clay soil. This is the main issue. Once clay-heavy soil is saturated, heavy equipment loses traction and can rut or get stuck, and working the soil while it's saturated compacts it unevenly — which causes problems later for anything built on top of it. Light, brief rain on soil that was already reasonably dry usually doesn't stop work. Multiple consecutive days of rain on ground that was already wet is what actually halts a dig.
Standing water in the work area. If a trench or excavation is actively filling with water faster than it can be managed, work stops until it's pumped out or the source is addressed — digging into standing water compromises both the work and the soil around it.
Site access. A driveway or access route that turns to mud under repeated equipment traffic becomes its own problem — beyond the excavation risk, it can damage the route itself and any existing hardscape.
What doesn't stop work
Light or intermittent rain on soil with decent drainage — sandier or rockier ground handles wet weather far better than heavy clay — often doesn't require stopping. Work that's not soil-sensitive, like demolition or hauling on already-graded surfaces, can often continue through weather that would stop a fresh excavation.
How we plan around it
Scheduling buffer. During the wettest stretch of the year, we build extra time into project timelines rather than promising a tight schedule that weather is likely to break.
Watching the forecast, not just the day. A single dry day sandwiched between wet ones often isn't enough for saturated ground to firm back up — we're looking at the pattern over the preceding week, not just whether it's raining today.
Sequencing around it where possible. If part of a job is weather-sensitive (excavation) and part isn't (demolition, hauling, prep), we sequence the non-sensitive work into wetter windows and save excavation for drier stretches when we can.
Erosion control. On any job that disturbs a meaningful amount of soil during a wet stretch, silt fencing and other erosion control measures matter more than usual — both for site protection and because heavy regional rain moving disturbed soil off-site can create a runoff problem for neighboring properties.
What this means for your project timeline
If you're planning a project for late winter or early spring, build in schedule flexibility rather than locking other trades to a tight excavation date. We'll communicate early if weather is likely to push a start date or extend a job, rather than pushing through conditions that create long-term problems for the sake of a schedule.
Rule of thumb
If it's rained hard in the last few days and the ground is heavy clay, assume the schedule has some flexibility built in. We'd rather delay a day or two than compact wet soil incorrectly and cause a problem that shows up after everything's built on top of it.