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Marsh Lake Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
 |  | |  |  |  | | | | |
| Partly Cloudy | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 63°FHi: 17°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 40°FLo: 4°C | Hi: 63°FHi: 17°C | Lo: 43°FLo: 6°C | Hi: 66°FHi: 19°C Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C Lo: 40°FLo: 4°C |
| POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 524 AM PDT Sun Sep 27 2026 
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Issued: 444 AM PDT Sun Sep 27 2026
Key Messages
- Frosty mornings Sunday and Monday over eastern Washington and Idaho Panhandle mountain valleys, as well the outlying areas around the Spokane area and Palouse.
- Mild and dry pattern this week, except for rain near the Cascade crest and chance of rain North Idaho Panhandle on Tuesday
Discussion
... Today through Monday: A dry air mass will remain over the Inland NW through Sunday night with precipitable water values ranging from near 40-70 percent of normal. This combined with light wind...