Weather intelligence for the people who have to make the call. Bulletin · 2026.05.17

The weather forecast, rewritten as a decision.

Short-range severe and medium-range anomaly forecasts, written in plain language for the people who have to make the call.

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We're talking with a small number of crews to learn how weather decisions actually get made. Fifteen minutes, your real site, your real questions.

The forecast isn't the hard part. The translation is.

Every crew has been turning forecasts into decisions in their head for decades — usually under time pressure, often at 5am, sometimes wrong. SiteRisk does the translation in advance, with the math behind it visible if you want to check.

Generic Forecast

Today

84°

Scattered thunderstorms this afternoon

60% chance of storms · gusts to 30 mph

When? Where? Do we mobilize the crane?

SiteRisk

HZ02 · Active

Lightning · 2 to 4 PM

Stop outdoor and elevated work at first strike within 10 mi. Storms clear by 5 PM.

Confidence: High · updated 11 AM

A window, a threshold, a stand-down trigger.

Most days, the forecast doesn’t matter to your site. SiteRisk reads thousands of routine forecasts so you don’t have to, and surfaces only what is meaningful against the conditions your crew is acclimated to. Fewer alerts — each one deserves your attention.

Two timescales. One instrument.

A superintendent at 5am asks two questions, not one. Is it safe to work today? And what should I plan for this week? Each question deserves a different forecast system — and SiteRisk runs both.

  1. 01

    Short-range severe Today · Tonight · Tomorrow

    Hazards that shut down work inside the next 48 hours.

    Lightning · Hail · Severe wind gust · Heavy downpours

    Short-range forecasts updated every hour, narrowed to your site. Built on the same severe-weather guidance trusted by national forecasters, read the way a foreman reads a radar loop.

    Lightning

    Lightning likely 2 to 4 PM. Stop crane operations at first strike within 10 mi. Safe window opens 4:30 PM.

    Hail

    Hail risk 1–1.5" tomorrow 3 to 5 PM. Cover exposed glazing and finished materials by 2 PM; move vehicles under structure.

  2. 02

    Medium-range impacts This week · Next week

    Weather that’s unusual for your location, surfaced before it costs a week.

    Heat · Cold · Sustained wind · Multi-day rain

    Hundreds of forecast scenarios measured against decades of local weather history at your site, your time of year, your time of day. We surface what’s unusual for you specifically — not what crosses an arbitrary threshold.

    Heat anomaly

    Sustained 96–101°F Wednesday through Friday — warmest 3-day stretch your crews have worked since 2019. Extend breaks, start pours at 7 AM, finish exterior labor before 1 PM.

    Sustained wind

    Sustained 25–30 mph with 40 mph gusts Monday through Wednesday. Crane operations restricted; defer panel lifts to Thursday window.

The severe forecast is for today’s call. The anomaly forecast is for this week’s plan. Both close the action gap. Neither is enough alone.

Who It’s For

Construction superintendents at mid-size general contractors. Landscape operations leads running 10-truck mornings. Field service managers who own the call between mobilize and stand down. People who already know more about weather than the weather app does — and who are tired of translating 30% chance of rain into do we pour, or do we not at 5 in the morning, from a truck, alone.