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Flood Watch: Mountain Brook Area
June 18, 2026
weather, forecast
Mountain Brook, Alabama — Thunderstorm expected today with a high of 80°F and a low of 73°F.
⚠️ Active Weather Alerts
- 🟠 Flood Watch: Flood Watch issued June 17 at 3:07PM CDT until June 19 at 7:00PM CDT by NWS Birmingham AL
- You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Today's Forecast — Thursday, June 18
- Conditions: Thunderstorm
- High / Low: 80°F / 73°F
- Wind: S 18 mph, gusts to 37 mph
- Precipitation: 88% chance, 1.28 inches expected over 11 hours
- UV Index: 1.75 — Low
- Sunrise / Sunset: 05:37 / 19:59
- Daylight: 14.4 hours (2.7 hours of sunshine expected)
What Matters Most Today
- Rain focus: 88% chance, peaking around 4PM.
- Expected rainfall: about 1.28 inches.
- Wind impact: gusts up to 37 mph.
- Feels-like swing: up to 85°F.
- Best outdoor window: Morning (lowest average rain risk).
Comfort & Conditions
- Feels Like: 78°F to 85°F (wind chill / heat index)
- Humidity: 90%
- Dew Point: Up to 75°F — muggy conditions
- Visibility: As low as 3.3 miles
Hour-by-Hour Breakdown
- Morning (6AM–Noon): Thunderstorm, 78°F, 51% chance of precipitation, winds 13 mph, 88% humidity
- Afternoon (Noon–6PM): Light drizzle, 76°F, 88% chance of precipitation, winds 13 mph, 89% humidity
- Evening (6PM–Midnight): Overcast, 74°F, 86% chance of precipitation, 94% humidity
Air Quality & Allergens
- Air Quality Index: 27 (peak 30) — Good
- PM2.5: 10.1 µg/m³
Tomorrow's Outlook
Thunderstorm with a high of 84°F and a low of 73°F. 36% chance of precipitation.
Forecast data provided by Open-Meteo. Air quality data from Open-Meteo Air Quality API. For severe weather alerts, visit your local National Weather Service office.
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