May, Idaho Weather
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Weather Forecast for May, Idaho : Lemhi County
Issued: 2:30 pm MDT Sep 13, 2025 Latitude: 44.6043694 Longitude: -113.9119973 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Clear on Overnight 40% chance of thunderstorms on Sunday 40% chance of thunderstorms on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday 10% chance of rain on Friday 20% chance of thunderstorms on Saturday
Low: 46°F High: 73°F High: 64°F High: 70°F High: 76°F High: 77°F High: 74°F High: 70°F
Low: 44°F Low: 41°F Low: 44°F Low: 46°F Low: 48°F Low: 45°F  
Mostly Clear Thunderstorms Thunderstorms Sunny Sunny Sunny Rain Thunderstorms
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Current Conditions at
CHALLIS - (KLLJ)
52°
Clear
as of 1:55 AM MDST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SALMON - (KSMN)
46°
Clear
Mist
as of 2:40 AM MDST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 2 Miles
Pressure: 29.98 in.
Flight Rule: IFR
Wind Data
3 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
STANLEY RANGER STN - (KSNT)
39°
Clear
as of 1:51 AM MDST
Rel. Humidity: 86%
Dew Point: 36°F
Pressure: 30.09 in.
Wind Data
3 MPH
190° South
Current Conditions at
DILLON - (KDLN)
46°
Feels like 41°F
Clear
as of 1:53 AM MDST
Rel. Humidity: 70%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 46. Light east southeast wind.
40% chance of thunderstorms Sunday Sunday... A 40 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 73. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
40% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms before 9pm, then a chance of rain after 9pm. Mostly cloudy, with a low around 44. West wind 3 to 8 mph. Chance of precipitation is 40%.
40% chance of thunderstorms Monday Monday... A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 40%.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 41. North northwest wind 5 to 8 mph becoming calm after midnight.
Sunny on Tuesday Tuesday... Sunny, with a high near 70.
Clear on Tuesday Night Tuesday Night... Clear, with a low around 44.
Sunny on Wednesday Wednesday... Sunny, with a high near 76.
Clear on Wednesday Night Wednesday Night... Clear, with a low around 46.
Sunny on Thursday Thursday... Sunny, with a high near 77.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 48.
10% chance of rain Friday Friday... A slight chance of rain. Mostly sunny, with a high near 74.
10% chance of rain Friday Night Friday Night... A slight chance of rain. Partly cloudy, with a low around 45.
20% chance of thunderstorms Saturday Saturday... A chance of rain and thunderstorms. Mostly sunny, with a high near 70.
Current Radar Image


Sun Almanac for May, Idaho
Sunrise: 07:14 AM
Sunset: 7:48 PM
Civil Sunrise:06:45 AM
Civil Sunset: 8:17 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 8:52 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 9:28 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.