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Sidney Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  |  | | |  | | | | |
| Patchy Fog | Chance of Showers | Chance of Showers | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C |
| POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 801 AM EDT Sun Oct 04 2026 
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Issued: 225 AM EDT Sun Oct 4 2026
Key Messages
1. Strong cold front moves across the forecast area on Monday with wind gusts of 25 to 35 MPH Monday afternoon and evening. Winds should stay up enough at night to preclude frost in the zones where the growing season is still ongoing.
2. Colder and breezy conditions continue into Tuesday with the coldest night of the season so far possible Tuesday night. Many locations south of the mountains could see frost and possibly their first freeze of the season.
Discussion
... KEY MESSAGE 1 DESC...