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| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  |  |  |  |  | | | | | |
| Chance of Showers | Mostly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Clearing | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Clearing | Partly Cloudy |
| Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C |
| POP: 20% | POP: 40% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1247 PM MDT Mon Sep 21 2026 
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Issued: 114 PM MDT Mon Sep 21 2026
Key Messages
- Showers taper off tonight as some low clouds/fog linger
- Drying out for the rest of the week, but southwest flow aloft will bring limited chances for shra/TS
- Breezy/windy spots Tuesday/Wednesday
Discussion
...(This Evening Through Monday) Issued at 109 PM MDT Mon Sep 21 2026
19z surface analysis had sprawling high pressure over the Great Lakes into the northern Plains bringing low-level easterly component to boundary layer flow. Water vapour loop had upper low spinning over the SD/NE/IA/...