Daily brief · United States

Harrisburg 2026-09-11

Verified against recorded weather

Weather-risk signals · signal engine (Open-Meteo)

A heavy rain day could hit

extreme

A single day could bring around 46.3mm of rain on 2026-09-13 — above the local heavy-rain reference for this time of year (around 12.7mm in a day). Construction, drainage, and outdoor events should review schedules.

outdoor events · drainage operators · agriculture

A cold stretch is on the way

medium

6 days in a row could stay below 15°C, starting 2026-09-19. Longer than this region usually sees at this time of year. Crops in flowering, livestock, and rooftop venues may be exposed.

crop growers · outdoor hospitality

Water conditions are improving

active

Around 41.2mm of rain has fallen over the past 14 days — above the 0.6mm typical for this period. A healthier water balance is restoring across this area.

hydro operators · agriculture · reservoir ops

What the day recorded · Open-Meteo daily archive

Rain 0 mmMax 27.8 °CMin 18.6 °CGusts 33.5 km/h

Directional single-day check: recorded daily values compared against the historical baseline each signal was measured from. Signals cover multi-day windows, so this is context, not a forecast grade.

What people were seeing · community field reports

No field observations were posted for this place on 2026-09-11.