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Lost Lake, ID Weather Forecast

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Lost Lake, ID Weather Forecast

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Lost Lake ID weather - Overcast - 48°F
Overcast
48°F
Updated 4:04 am
Feels Like 35°F
Humidity 62%
Wind SW 9 mph
Barometer  30 in
Dew Point 36°F
Lost Lake ID weather - Overcast - 9°C
Overcast
9°C
Updated 4:04 am
Feels Like 1°C
Humidity 62%
Wind SW 14 km/h
Barometer  101.6 kPa
Dew Point 2°C
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Lost Lake Weather Forecast

TODAY TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY THURSDAY THURSDAY NIGHT FRIDAY
Lost Lake, ID Weather - Today Partly Cloudy Lost Lake, ID Weather - Tonight Partly Cloudy Lost Lake, ID Weather - Sunday Partly Cloudy Lost Lake, ID Weather - Sunday Night Mostly Clear Lost Lake, ID Weather - Monday Sunny Lost Lake, ID Weather - Monday Night Partly Cloudy Lost Lake, ID Weather - Tuesday Chance Of Showers Lost Lake, ID Weather - Tuesday Night Chance Of Showers Lost Lake, ID Weather - Wednesday Chance Of Showers Lost Lake, ID Weather - Thursday Chance Of Showers Lost Lake, ID Weather - Thursday Night Partly Cloudy Lost Lake, ID Weather - Friday Chance Of Showers
Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Sunny Partly Cloudy Chance of Showers Chance of Showers Chance of Showers Chance of Showers Partly Cloudy Chance of Showers
Hi: 56°FHi: 13°C
 Lo: 36°FLo: 2°C Hi: 65°FHi: 18°C
 Lo: 36°FLo: 2°C Hi: 65°FHi: 18°C
 Lo: 40°FLo: 4°C Hi: 63°FHi: 17°C
 Lo: 40°FLo: 4°C Hi: 63°FHi: 17°C
Lo: 40°FLo: 4°C		 Hi: 63°FHi: 17°C
Lo: 40°FLo: 4°C		 Lo: 40°FLo: 4°C Hi: 63°FHi: 17°C
POP: 20% POP: 50% POP: 20% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 209 AM PDT Sat Sep 26 2026 Lost Lake, ID Weather - WeatherWorld.com

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Lost Lake Forecast Discussion

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Issued: 145 AM PDT Sat Sep 26 2026

Key Messages

  • Possible frost Sunday and Monday mornings over eastern Washington and Idaho Panhandle mountain valleys, as well the outlying areas around the Spokane area and Palouse.

Discussion

... Saturday through Sunday night: Weather trends cooler and drier for Saturday as the Inland Northwest lies in the wake of Fridays cold front passage and exiting upper-level trough. 850mb temperatures on Saturday cool to 1-4C, translating to high temperatures in the upper 50s to mid 60s. These temperatures ar...