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Farnum, Idaho Weather Forecast
Farnum, Idaho Weather
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Weather Forecast for Farnum, Idaho : Fremont County
Issued: 10:31 pm MST Dec 29, 2025 Latitude: 43.9985246 Longitude: -111.4096757 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday New Year's Day Friday Saturday Sunday Monday
Mostly Clear on Tonight Partly Sunny on Tuesday Mostly Sunny on Wednesday 50% chance of snow on New Year's Day 50% chance of rain & snow on Friday 60% chance of rain & snow on Saturday 50% chance of snow on Sunday 30% chance of snow on Monday
Low: 9 °F High: 35°F High: 40°F High: 37°F High: 38°F High: 41°F High: 37°F High: 36°F
Low: 17°F Low: 25°F Low: 29°F Low: 31°F Low: 28°F Low: 24°F  
Mostly Clear Partly Sunny Mostly Sunny Snow Rain & Snow Rain & Snow Snow Snow
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Current Conditions at
REXBURG - (KRXE)
16°
Clear
as of 10:53 PM MST
Rel. Humidity: 78%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.58 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
JACKSON - (KJAC)
1°
Clear
as of 10:56 PM MST
Rel. Humidity: 84%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.55 in.
Flight Rule: VFR
Wind Data
7 MPH
030° Northeast
Cloud Level(s): Clear
Current Conditions at
IDAHO FALLS - (KIDA)
10°
Clear
as of 10:53 PM MST
Rel. Humidity: 92%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.58 in.
Flight Rule: VFR
Wind Data
3 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
YELLOWSTONE - (KP60)
3°
Partly Cloudy
as of 10:56 PM MST
Rel. Humidity: 91%
Dew Point: 1°F
Pressure: 30.48 in.
Wind Data
3 MPH
310° Northwest
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 9. East wind around 5 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, then gradually becoming sunny, with a high near 35. East wind around 5 mph becoming calm in the morning.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 17. Calm wind becoming east around 6 mph after midnight.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 40. East wind around 6 mph becoming calm in the morning.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 25. Calm wind becoming east around 5 mph in the evening.
50% chance of snow New Year's Day New Year's Day... A 50 percent chance of snow after 11am. Areas of fog after 2pm. Otherwise, cloudy, with a high near 37. Little or no snow accumulation expected.
60% chance of rain & snow Thursday Night Thursday Night... Rain likely, possibly mixed with snow, mainly before 11pm. Areas of fog before 9pm. Otherwise, mostly cloudy, with a low around 29. Chance of precipitation is 60%. Little or no snow accumulation expected.
50% chance of rain & snow Friday Friday... A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
40% chance of rain Friday Night Friday Night... A 40 percent chance of rain. Mostly cloudy, with a low around 31.
60% chance of rain & snow Saturday Saturday... A chance of rain before 8am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
50% chance of rain & snow Saturday Night Saturday Night... A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
50% chance of snow Sunday Sunday... A 50 percent chance of snow. Mostly cloudy, with a high near 37.
30% chance of snow Sunday Night Sunday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 24.
30% chance of snow Monday Monday... A 30 percent chance of snow. Partly sunny, with a high near 36.
Current Radar Image


Sun Almanac for Farnum, Idaho
Sunrise: 08:00 AM
Sunset: 4:57 PM
Civil Sunrise:07:27 AM
Civil Sunset: 5:30 PM
Nautical Sunrise: 06:51 AM
Nautical Sunset: 6:06 PM
Astro Sunrise: 06:16 AM
Astro Sunset: 6:41 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.