565 FXUS65 KBOU 220546 AFDBOUArea Forecast Discussion National Weather Service Denver/Boulder CO 1146 PM MDT Sun Sep 21 2025
.KEY MESSAGES...
- Isolated showers/storms this afternoon and evening mainly over the mountains.
- Cold front Monday with a good chance of showers late Monday, remaining cool with showers likely Tuesday. High mountain snow likely Monday night into Tuesday.
- Turning warmer and drier again late next week.
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.DISCUSSION /Through Sunday/... Issued at 146 PM MDT Sun Sep 21 2025
Current radar shows scattered showers across the higher terrain, with some storms spilling onto the adjacent plains. With increasing northwest flow aloft ahead of an incoming system, expect widely scattered showers and thunderstorms to persist into the late evening across the Front Range and northern plains. The severe threat is very low as modeled Skew-T soundings show a stable environment across our forecast area, with
NWS BOU Office Area Forecast Discussion