Monthly Historical AveragesHenry's Fork at Island Park, ID
Average Temperature
High
-3°
Feels -6
Low
-13°
Feels -19
Average Precipitation
2 Days
0mm
5.2cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, December 30, 2025
Day
1°Feels -1
Wind
6 km/h N
Gust
9 km/h
Humidity
44%
P.O.P
20%
Night
-12°Feels -16
Wind
6 km/h NE
Gust
9 km/h
Humidity
92%
P.O.P
0%
Historical AveragesDec 30
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity