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How to read a WxYapper forecast summary

The Summary tab on each forecast page is a plain-language briefing built from official National Weather Service data. It is designed for quick planning—not to replace the Hourly, Daily, or official alert products.

Overview

The overview is a short snapshot of today's weather for your area: what to expect, when conditions may shift, and any headline risks. Read this first for the big picture.

Main concern

When present, main concern calls out the single biggest planning headache for the day—heat, storms, wind, flooding, and similar. It helps you decide whether today needs extra attention beyond a routine forecast check.

Period cards (morning, afternoon, evening, overnight)

Today is split into four local time windows. Tap a card to expand or collapse it. The current period is marked "Now." Quiet periods mean no notable weather is expected in that window based on the hourly grid.

Morning is 6 AM–12 PM, afternoon 12–6 PM, evening 6–10 PM, and overnight 10 PM–6 AM.

Forward-looking outlook sections

Below the period cards, outlook sections cover upcoming days without repeating the same story twice:

Rest of the week — remaining weekdays before the weekend (Mon–Fri views)
Weekend outlook — upcoming Saturday and Sunday
Work week outlook — next Monday through Friday (Sat–Sun views)
Beyond the weekend / work week — longer-range trend after those windows

Best outdoor window and confidence

Best outdoor window suggests the most comfortable remaining period today for outdoor activities. Confidence reflects how settled or uncertain the briefing is (low, moderate, or high). These are planning hints, not guarantees.

What changed

When a new NWS discussion leads to meaningful shifts—storm timing, temperature trend, or coverage—a "What changed" block summarizes differences from the previous briefing.

Using the summary with official alerts

Use Hourly and Daily tabs for raw grid detail. During severe weather, rely on NWS watches, warnings, and local emergency information—not the summary alone. See our FAQ for more on data sources and safety.