Loading
Join FREE to unlock community features
It's free — add events , view Community Analytics, and give Hearts to rank stories, events, and local businesses.
Heat Advisory in Effect as Mountain Brook Faces H…

Heat Advisory in Effect as Mountain Brook Faces Highs Near 97°F

Heat Advisory in Effect as Mountain Brook Faces Highs Near 97°F

Mountain Brook, Alabama — The next seven days bring highs ranging from 91°F to 97°F, lows from 70°F to 73°F, rain chances focused on Friday, Tuesday and Wednesday. Today's forecast is still included below, but the main story is the week ahead.

⚠️ Active Weather Alerts

  • 🟡 Heat Advisory: Heat Advisory issued August 19 at 9:18PM CDT until August 20 at 9:00PM CDT by NWS Birmingham AL
  • Drink plenty of fluids, stay in an air-conditioned room, stay out of
    the sun, and check up on relatives and neighbors. Young children and
    pets should never be left unattended in vehicles under any
    circumstances.

    Take extra precautions if you work or spend time outside. When
    possible, reschedule str

What Matters Most This Week

  • Warmest day: Today, with a high near 97°F.
  • Coolest morning: Sunday, with a low near 70°F.
  • Rain chances: Best chances on Friday, Tuesday and Wednesday; seven-day expected rainfall totals about 0.36 inches.
  • Storm watch: Thunderstorm chances appear in the forecast on Today, Friday, Tuesday and Wednesday.
  • Sun safety: UV runs high on Today, Friday, Saturday and Sunday and other days.

7-Day Forecast

DayConditionsHigh / LowRainPeak Gust
Today
8/20
Mostly Sunny then Chance Showers And Thunderstorms97° / 73°30%17 mph
Friday
8/21
Chance Showers And Thunderstorms93° / 71°41%17 mph
Saturday
8/22
Sunny93° / 71°2%14 mph
Sunday
8/23
Sunny92° / 70°6%11 mph
Monday
8/24
Mostly Sunny91° / 70°8% / 0.03"20 mph
Tuesday
8/25
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms91° / 71°24% / 0.14"23 mph
Wednesday
8/26
Chance Rain Showers then Chance Showers And Thunderstorms92° / 70°32% / 0.19"22 mph

Today's Details — Thursday, August 20

  • Conditions: Mostly Sunny then Chance Showers And Thunderstorms
  • High / Low: 97°F / 73°F
  • Wind: W 7 mph, gusts to 17 mph
  • Precipitation: 30% chance
  • UV Index: 7.85 — Very High — limit outdoor exposure
  • Sunrise / Sunset: 06:13 / 19:27
  • Daylight: 13.2 hours

What Matters Most Today

  • Sun safety: UV index reaches 7.85; sunscreen still matters even with cloud cover.
  • Best outdoor window: Morning (lowest average rain risk).

Comfort & Conditions

  • Humidity: 52%
  • Dew Point: Up to 72°F — muggy conditions

Hour-by-Hour Breakdown

  • Morning (6AM–Noon): Clear sky, 82°F, 70% humidity
  • Afternoon (Noon–6PM): Clear sky, 95°F, 41% humidity
  • Evening (6PM–Midnight): Clear sky, 82°F, 26% chance of precipitation, 46% humidity

Air Quality & Allergens

  • Air Quality Index: 57 (peak 86) — Moderate
  • Acceptable air quality; some pollutants may be a concern for sensitive individuals.
  • PM2.5: 13.8 µg/m³

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.

Last updated: August 20, 2026
Comments
0 comments
Join the conversation
Commenting is for paid members only. Upgrade to reply, ask questions, and connect with your community.
Paid members
Reply to stories and get responses from other members
Support local reporting and keep these updates coming
Instant access — unlock comments right away
No comments yet.