Harlowton Rainfall Forecast

Today 24 May
20%
Mon 25 May
15%
Tue 26 May
20%
Wed 27 May
80%
Thu 28 May
55%
Fri 29 May
55%
Sat 30 May
55%

Harlowton Rainfall Statistics

May Rainfall

Lewistown, Lewistown Municipal Airport (45.4 miles)

Total Rainfall 2026
6in
Daily Average 2026
0.04in
Wettest Day 9 February, 2026
0.8in
Wet Days 2026
36/144 (25%)
Total Rainfall April
1.6in
Daily Average April
0.1in
Wettest Day 22 April, 2026
0.4in
Wet Days April
13/30 (43%)
Total Rainfall May
1in
Daily Average May
0.05in
Wettest Day 16 May, 2026
0.4in
Wet Days May
6/24 (25%)

Climate (2010–Present)

Lewistown, Lewistown Municipal Airport (45.4 miles)

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Annual Average 2021–2025
16.7in
Monthly Average 2021–2026
1.4in
Daily Average 2021–2026
0.05in
Wettest Day 18 September, 2024
4.4in

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