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Dewey, Idaho Weather Forecast
Dewey, Idaho Weather
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Weather Forecast for Dewey, Idaho : Owyhee County
Issued: 2:04 pm MST Dec 20, 2025 Latitude: 43.0401592 Longitude: -116.7623483 View on Google Maps

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Tonight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
90% chance of rain & snow on Tonight 90% chance of rain on Sunday 60% chance of rain & snow on Monday 70% chance of rain & snow on Tuesday 80% chance of rain & snow on Wednesday 60% chance of rain & snow on Christmas Day 50% chance of snow on Friday 20% chance of snow on Saturday
Low: 31°F High: 42°F High: 40°F High: 40°F High: 42°F High: 39°F High: 35°F High: 33°F
Low: 34°F Low: 35°F Low: 36°F Low: 32°F Low: 29°F Low: 26°F  
Rain & Snow Rain Rain & Snow Rain & Snow Rain & Snow Rain & Snow Snow Snow
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Current Conditions at
CALDWELL - (KEUL)
37°
Clear
as of 9:56 PM MST
Rel. Humidity: 80%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
5 MPH
110° East
Cloud Level(s): Clear
Current Conditions at
MOUNTAIN HOME AFB - (KMUO)
36°
Clear
as of 9:55 PM MST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
120° Southeast
Cloud Level(s): Clear
Current Conditions at
BOISE - (KBOI)
39°
Feels like 33°F
Clear
as of 9:53 PM MST
Rel. Humidity: 64%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
9 MPH
120° Southeast
Cloud Level(s): Clear
Current Conditions at
ROME - (KREO)
36°
Cloudy
as of 9:52 PM MST
Rel. Humidity: 80%
Dew Point: 30°F
Pressure: 29.94 in.
Wind Data
5 MPH
050° Northeast
90% chance of rain & snow Tonight Tonight... Rain and snow, becoming all rain after 2am. Snow level 6400 feet rising to 7200 feet. Low around 31. Southwest wind around 14 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
90% chance of rain Sunday Sunday... Rain. The rain could be heavy at times. High near 42. Windy, with a southwest wind 18 to 23 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
70% chance of rain & snow Sunday Night Sunday Night... Rain likely. Snow level 8200 feet lowering to 7000 feet after midnight . Cloudy, with a low around 34. Windy, with a southwest wind around 31 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
60% chance of rain & snow Monday Monday... Rain and snow likely, mainly before 11am. Snow level 6600 feet. Mostly cloudy, with a high near 40. Breezy, with a southwest wind 16 to 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
40% chance of rain & snow Monday Night Monday Night... A 40 percent chance of rain, mainly after 11pm. Snow level 6900 feet. Mostly cloudy, with a low around 35. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
70% chance of rain & snow Tuesday Tuesday... Rain and snow likely before 11am, then a chance of rain. Snow level 6500 feet rising to 7100 feet in the afternoon. Cloudy, with a high near 40. Chance of precipitation is 70%. Little or no snow accumulation expected.
30% chance of rain & snow Tuesday Night Tuesday Night... A 30 percent chance of rain, mainly after 11pm. Snow level 7100 feet. Mostly cloudy, with a low around 36.
80% chance of rain & snow Wednesday Wednesday... Rain. Snow level 6900 feet. High near 42. Breezy. Chance of precipitation is 80%.
60% chance of rain & snow Wednesday Night Wednesday Night... Rain and snow likely before 2am, then a chance of snow. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
60% chance of rain & snow Christmas Day Christmas Day... A chance of snow before 11am, then rain and snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
70% chance of rain & snow Thursday Night Thursday Night... Rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
50% chance of snow Friday Friday... A 50 percent chance of snow. Mostly cloudy, with a high near 35.
30% chance of snow Friday Night Friday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 26.
20% chance of snow Saturday Saturday... A 20 percent chance of snow. Mostly sunny, with a high near 33.
Current Radar Image


Sun Almanac for Dewey, Idaho
Sunrise: 08:16 AM
Sunset: 5:15 PM
Civil Sunrise:07:43 AM
Civil Sunset: 5:48 PM
Nautical Sunrise: 07:07 AM
Nautical Sunset: 6:24 PM
Astro Sunrise: 06:33 AM
Astro Sunset: 6:58 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.