Island Park, Idaho Weather
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Weather Forecast for Island Park, Idaho : Fremont County
Issued: 1:34 pm MDT Aug 17, 2025 Latitude: 44.4243637 Longitude: -111.3710645 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
40% chance of thunderstorms on This Afternoon 40% chance of thunderstorms on Tonight Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Sunny on Thursday Sunny on Friday Sunny on Saturday
High: 81°F Low: 44°F High: 85°F High: 88°F High: 86°F High: 84°F High: 85°F High: 86°F
Low: 46°F Low: 49°F Low: 46°F Low: 44°F Low: 44°F  
Thunderstorms Thunderstorms Sunny Sunny Mostly Sunny Sunny Sunny Sunny
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Current Conditions at
REXBURG - (KRXE)
77°
Clear
as of 12:53 PM MDST
Rel. Humidity: 36%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
7 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
YELLOWSTONE - (KP60)
64°
Partly Cloudy
as of 12:56 PM MDST
Rel. Humidity: 42%
Dew Point: 41°F
Pressure: 30.31 in.
Wind Data
Calm
Current Conditions at
JACKSON - (KJAC)
75°
Clear
Thunderstorm In Vicinity
as of 12:58 PM MDST
Rel. Humidity: 31%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
7 MPH
Cloud Level(s): Clear
Current Conditions at
DILLON - (KDLN)
70°
Mostly Cloudy
as of 12:53 PM MDST
Rel. Humidity: 46%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
12 MPH
260° West
Cloud Level(s): Few at 5500ft, Few at 6500ft, Broken at 10000ft
40% chance of thunderstorms This Afternoon This Afternoon... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind around 7 mph, with gusts as high as 18 mph.
40% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 44. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Sunny on Monday Monday... Sunny, with a high near 85. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 46. South southwest wind around 6 mph becoming calm in the evening.
Sunny on Tuesday Tuesday... Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 49.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 86.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 46.
Sunny on Thursday Thursday... Sunny, with a high near 84.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 44.
Sunny on Friday Friday... Sunny, with a high near 85.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 44.
Sunny on Saturday Saturday... Sunny, with a high near 86.
Current Radar Image


Sun Almanac for Island Park, Idaho
Sunrise: 06:32 AM
Sunset: 8:27 PM
Civil Sunrise:06:00 AM
Civil Sunset: 8:59 PM
Nautical Sunrise: 05:22 AM
Nautical Sunset: 9:37 PM
Astro Sunrise: 04:40 AM
Astro Sunset: 10:19 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.