A pattern change will bring a big warmup across much of the country ahead of the Christmas holiday. The Northern Tier will see a brief cool down Thursday into the weekend before temperatures warm up again. The Southwest will see days of potential record-breaking temperatures that could last into Christmas week.
Breakdown
- Flattened jet stream is causing persistent record warmth across the U.S.
- Temperatures in some regions are 10–25°F above average. 5s
- Denver and other areas could break temperature records soon. 18s
- Record highs and warm lows are possible along the I-95 corridor. 22s
- Warmth will expand to the Great Lakes by Saturday after a brief cooldown. 43s