Weather WorldUpper Cow Lake, OR Weather Forecast
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Upper Cow Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | | | | | | | | | |
| Mostly Clear | Sunny | Fog | Sunny | Clear | Sunny | Clear | Sunny | Fog | Fog | Mostly Clear | Mostly Sunny |
| Lo: 34°FLo: 1°C | Hi: 68°FHi: 20°C | Lo: 37°FLo: 3°C | Hi: 69°FHi: 21°C | Lo: 35°FLo: 2°C | Hi: 74°FHi: 23°C | Lo: 41°FLo: 5°C | Hi: 74°FHi: 23°C | Hi: 71°FHi: 22°C Lo: 40°FLo: 4°C | Hi: 71°FHi: 22°C Lo: 40°FLo: 4°C | Lo: 43°FLo: 6°C | Hi: 65°FHi: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM MDT Tue Oct 13 2026 
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Issued: 551 PM MDT Tue Oct 13 2026
Key Messages
- Cold morning temperatures this morning and Wednesday morning will bring patchy frost and near-freezing conditions, with Frost Advisories in effect for the Snake Plain valley areas.
- Warm and dry conditions Wednesday through the weekend. Temperatures reaching up to 10 degrees above normal by Friday.
Aviation
/00Z Wednesday through Thursday/... Issued 541 PM MDT TUE OCT 13 2026
VFR. Patchy valley fog in Central ID Mountains and the Blue Mountains. Surface winds: W-NW 5-15 kt with gusts to ...