Riverfront Park, WA Weather Forecast
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Riverfront Park Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY | SUNDAY |
| Mostly Clear | Sunny | Partly Cloudy | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 65°FHi: 18°C | Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C Lo: 46°FLo: 8°C |
| POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1135 PM PDT Sun Sep 27 2026 

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Issued: 133 AM PDT Mon Sep 28 2026
Key Messages
- Areas of frost Monday morning over eastern Washington and Idaho Panhandle mountain valleys and Upper Columbia Basin, as well the outlying areas around the Spokane area.
- Mild and dry pattern this week, except for rain near the Cascade crest and chance of rain North Idaho Panhandle on Tuesday
Discussion
... Today: A zonal A zonal flow pattern will be over the region today. It will bring a gradual increase in the upper level moisture. Precipitable water values will increase from 0.3-0.5 o...
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