Good morning, Franklin County! Here’s your local weather update for Chambersburg, PA, to help you plan your day and week ahead:
🌤️ Today – Monday, August 4, 2025
It’s currently sunny with a comfortable low near 62 °F (17 °C) this morning, and a warming trend through the day to a high around 86 °F (30 °C). Expect some clouds mixing in later, but overall a pleasant, mostly sunny day.
🌥️ Tomorrow – Tuesday, August 5, 2025
Tuesday will be partly sunny, with highs near 83 °F (29 °C) and nighttime temps in the mid‑60s (around 65 °F / 18 °C). A relaxed, warm day ahead.
📅 Extended Outlook (Wednesday–Sunday)
Over the rest of the week:
- Wed–Thu: Cloudy with possible smoke from Canadian wildfires impacting air quality. Highs around 79 °F (26 °C); lows in the low 60s.
- Friday–Saturday: Mostly or plenty of sunshine, highs in the low to mid‑80s (81–82 °F / 27–28 °C). Nights remain mild in the low to mid 60s.
- Sunday: Increasing humidity and cloud cover with occasional morning rain or thunderstorms, followed by more storms into the afternoon. High near 82 °F (28 °C).
🚨 Alerts & Safety Notes
- A Flood Watch is in effect from this afternoon through late tonight, as heavy rain could create localized flash flooding in low‑lying or poorly drained areas. Be cautious driving through standing water.
- A Heat Advisory is active today from 11 AM through 8 PM Wednesday, with heat index values reaching up to 104 °F. Hydrate frequently, limit outdoor exertion during peak sun hours, and watch for heat exhaustion.
- While there are no severe thunderstorm warnings or tornado watches currently active, conditions may change, especially toward the weekend.
✅ What You Should Know
🔹 Today
- Sunny and hot today—stay hydrated and use sunscreen.
- Watch for potential flooding late today into tonight; avoid driving through flooded streets.
🔹 Tomorrow
- Partly sunny and warming, no significant rain expected.
- Great for outdoor plans—with lighter humidity.
🔹 Rest of the Week
- Mid‑week haze due to wildfire smoke may affect air quality; sensitive individuals (e.g., with asthma) should limit outdoor activities.
- Storm chances on Sunday could bring heavy rain or thunderstorms—monitor forecasts and be prepared.
🧠 Tips & Reminders
- Keep water nearby throughout the day and limit strenuous activity during the 11 AM–8 PM heat advisory window.
- Flash flooding risks may increase on low-lying roads and near streams—never drive into flooded areas.
- Take care if you’re sensitive to poor air quality, especially Wednesday and Thursday.
- Check for updates this weekend, as conditions may change fast with thunderstorms moving in.
