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Lost River Weather Forecast
| REST OF TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers | Showers | Showers | Showers | Showers | Chance of Showers | Mostly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 55°FHi: 13°C | Lo: 49°FLo: 9°C | Hi: 59°FHi: 15°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C |
| POP: 50% | POP: 70% | POP: 80% | POP: 90% | POP: 100% | POP: 100% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1056 AM EDT Sun Sep 20 2026 
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Issued: 1040 AM EDT Sun Sep 20 2026
Key Messages
- 1) Scattered showers and perhaps a few thunderstorms are expected today.
- 2) Cool and wet conditions continue through the end of the week.
Discussion
... KEY MESSAGE 1...Scattered showers and perhaps a few thunderstorms are expected today.
On the synoptic scale, a warm front will be lifting northward through the forecast area today, with higher dewpoint air streaming in from the south and west. Most guidance does show at least some destabilization today as the deeper moisture works in an...