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Union Gap Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
 | |  |  | |  | | | | | |
| Rain Showers | Rain Showers | Clearing | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 50°FLo: 10°C | Hi: 60°FHi: 16°C | Lo: 47°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 47°FLo: 8°C | Hi: 66°FHi: 19°C Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C Lo: 46°FLo: 8°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C |
| POP: 100% | POP: 100% |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 PM PDT Sat Sep 12 2026 
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Issued: 440 PM PDT Sat Sep 12 2026
Key Messages
- Widespread rain is likely overnight into Sunday.Areas in the flood watch should have many way to get alerts.
- Wind gusts above 30MPH are likely much of Sunday morning.
Discussion
... A low pressure system currently located off the coast of Oregon and Washington is moving south eastward, it should move ashore during the afternoon. After moving inland the low should begin steering towards the northeast. Rain should begin to develop as it moves inland. Overnight the rain will become more w...