Casper Mountain Rainfall Forecast

Today 27 May
25%
Thu 28 May
25%
Fri 29 May
20%
Sat 30 May
30%
Sun 31 May
20%
Mon 1 Jun
40%
Tue 2 Jun
25%

Casper Mountain Rainfall Statistics

May Rainfall

Casper, Natrona County International Airport (13 miles)

Total Rainfall 2026
3.6in
Daily Average 2026
0.02in
Wettest Day 18 May, 2026
0.6in
Wet Days 2026
30/147 (20%)
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
1.6in
Daily Average May
0.1in
Wettest Day 18 May, 2026
0.6in
Wet Days May
8/27 (30%)

Climate (2010–Present)

Casper, Natrona County International Airport (13 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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