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Sidney Middle School Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY |
 |  | |  | | |  | |  | |  |  |
| Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of Rain | Rain | Windy | Partly Cloudy | Partly Cloudy | Partly Sunny |
| Hi: 65°FHi: 18°C | Lo: 31°FLo: -1°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C | Hi: 50°FHi: 10°C Lo: 25°FLo: -4°C | Hi: 50°FHi: 10°C Lo: 25°FLo: -4°C | Hi: 49°FHi: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 436 AM MDT Tue Oct 20 2026 
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Issued: 1045 PM MDT Mon Oct 19 2026
Key Messages
- Dry weather conditions will continue along with seasonable temperatures through the midweek.
- Precipitation chances look to increase late Thursday night into Friday.
- Cooler and drier weather expected for the weekend.
Discussion
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Gusty southeast winds that had preceded the approaching upper ridge have diminished across the area allowing the Lake Wind Advisory that had been in effect across Fort Peck Lake to expire on time. Next, attention focuses on seasonably warm and dry weather as t...