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Whitman County Weather Forecast
| REST OF TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY |
 |  |  | | | | | | |  | |
| Chance of Showers | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Hi: 55°FHi: 13°C | Lo: 30°FLo: -1°C | Hi: 56°FHi: 13°C | Lo: 33°FLo: 1°C | Hi: 65°FHi: 18°C | Hi: 70°FHi: 21°C Lo: 36°FLo: 2°C | Hi: 70°FHi: 21°C Lo: 36°FLo: 2°C | Hi: 73°FHi: 23°C Lo: 40°FLo: 4°C | Hi: 73°FHi: 23°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 = Probability of Precipitation.
Weather Outlook Updated: 740 AM PDT Mon Oct 12 2026 
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Issued: 457 AM PDT Mon Oct 12 2026
Key Messages
- Light rain and mountain snow showers impacting southeastern Washington and North Idaho through early Monday morning.
- Chilly overnight lows the next couple of mornings with widespread frost/freeze conditions.
- Temperatures trend warmer through the week.
Discussion
... Monday through Tuesday: The upper-level low which brought cooler temperatures and breezy winds to the Inland Northwest continues to shift southward through the day on Monday as an upper-level ridge begins to nose into the P...