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Jay Em Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
 |  |  |  | |  |  | |  | | |
| Mostly Sunny | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Sunny |
| Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Hi: 75°FHi: 24°C Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C |
| POP: 20% | POP: 40% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 PM MDT Sun Sep 27 2026 
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Issued: 221 PM MDT Sun Sep 27 2026
Key Messages
- Unsettled weather returns to the area today, with chances for showers and thunderstorms this evening through at least Tuesday.
- A cooling trend begins Monday with near or slightly below average temperatures expected mid-week. Another warming trend will resume for the end of the week.
Aviation
/18Z TAFS THROUGH 18Z MONDAY/... Issued at 1143 AM MDT Sun Sep 27 2026
A mix of flight categories expected over the next 24 hours. Low clouds remain near KCDR this morning, and should lift over the ...