The latest weather updates reveal that today marks the last First Alert Weather Day as a heat wave continues to affect parts of the U.S. On August 25, 2025, temperatures soared, with highs reaching the low 100s in some areas. As we move through the week, expect warm nights and the potential for cooler temperatures this Labor Day Weekend.
- Last First Alert Weather Day: Today
- Warm nights expected through midweek
- Cooler temperatures for Labor Day Weekend
- Heat wave continues with extreme temperatures
- Showers developing in Central Oregon Cascades
- Relief expected by late week with cooler temps
Yesterday’s highs varied significantly, with southwest Washington experiencing low 90s and Roseburg hitting the low 100s. Coastal areas remained cooler, but the heat wave persisted, marking its fourth consecutive day. As moisture from California and Nevada moves north, some showers are developing, hinting at a shift in weather patterns.
As the heat wave continues, many are wondering how long these extreme temperatures will last. While today may bring slightly lower highs, the persistent heat raises concerns about health and safety. Here are some key points to consider:
- Heat advisories are in effect across multiple states.
- Cloud cover may provide slight relief from the heat.
- Showers could develop, especially in the Cascades.
- Temperatures are expected to drop to the low 80s by late week.