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| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  | |  |  |  |  | | |  | | |
| Showers | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 59°FHi: 15°C | Lo: 49°FLo: 9°C | Hi: 59°FHi: 15°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C |
| POP: 90% | POP: 70% | POP: 40% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 PM CDT Sun Sep 20 2026 
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Issued: 1147 AM MDT Sun Sep 20 2026
Key Messages
- Showers will gradually decrease in coverage overnight.
- Areas of fog will continue through Monday morning. Reduced visibilty expected around the Black Hills and across the western South Dakota plains for the Monday morning commute.
- More clouds than sun to start the week, followed by warmer and drier conditions later in the week.
Discussion
...(This Afternoon Through Saturday) Issued at 1144 AM MDT Sun Sep 20 2026
Water vapor and upper level analysis depicts a low centered over Wyoming, a...