Rock Spring Reservoir Rainfall Forecast

Today 30 May
35%
Sun 31 May
65%
Mon 1 Jun
20%
Tue 2 Jun
10%
Wed 3 Jun
5%
Thu 4 Jun
10%
Fri 5 Jun
10%

Rock Spring Reservoir Rainfall Statistics

May Rainfall

Casper, Natrona County International Airport (34.8 miles)

Total Rainfall 2026
3.7in
Daily Average 2026
0.02in
Wettest Day 18 May, 2026
0.6in
Wet Days 2026
31/150 (21%)
Total Rainfall April
1.3in
Daily Average April
0.04in
Wettest Day 16 April, 2026
0.4in
Wet Days April
8/30 (27%)
Total Rainfall May
1.7in
Daily Average May
0.1in
Wettest Day 18 May, 2026
0.6in
Wet Days May
9/30 (30%)

Climate (2010–Present)

Casper, Natrona County International Airport (34.8 miles)

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Annual Average 2021–2025
13in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 12 October, 2023
1.3in

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