Weather WorldGeis Trail, WY Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Geis Trail Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | | |  | | | | | |
| Chance of T-Storm | Mostly Clear | Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Clear | Sunny | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 61°FLo: 16°C |
| POP: 30% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 332 PM MDT Sun Aug 30 2026 
Geis Trail Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Geis Trail Weather Map
Geis Trail Quick Facts
Geis Trail Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 519 PM MDT Sun Aug 30 2026
Key Messages
- Isolated to scattered thunderstorms are expected this afternoon and evening from northeast WY, across the Black Hills, into the northwestern SD. Strong to severe storms could produce damaging winds of 60-75 MPH, hail, and frequent lightning.
- Very warm weather continues throughout the next 7 days.
- Near-critical fire weather concerns continue into early next week, mainly over northeastern WY into southwestern SD.
Discussion
...(This Afternoon Through Saturday) Issued at 1152 AM MDT Sun A...