Island Park Reservoir Rainfall Forecast

Today 1 Jul
25%
Wed 2 Jul
30%
Thu 3 Jul
60%
Fri 4 Jul
60%
Sat 5 Jul
40%
Sun 6 Jul
15%
Mon 7 Jul
15%

Island Park Reservoir Rainfall Statistics

July Rainfall

West Yellowstone (27.3 miles)

Total Rainfall 2025
3.1in
Daily Average 2025
0.05in
Wettest Day 18 May, 2025
0.7in
Wet Days 2025
22/182 (12%)
Total Rainfall June
0.8in
Daily Average June
0.03in
Wettest Day 22 June, 2025
0.3in
Wet Days June
8/30 (27%)
Total Rainfall July
–
Daily Average July
–
Wettest Day 1 July, 2025
–
Wet Days July
–

Climate (2010–Present)

West Yellowstone (27.3 miles)

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Annual Average 2020–2024
5.4in
Monthly Average 2020–2025
0.8in
Daily Average 2020–2025
0.03in
Wettest Day 2 August, 2022
1.8in

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