Missoula International Airport Rainfall Forecast

Today 15 Sep
90%
Tue 16 Sep
10%
Wed 17 Sep
No Rain
Thu 18 Sep
No Rain
Fri 19 Sep
No Rain
Sat 20 Sep
5%
Sun 21 Sep
20%

Missoula International Airport Rainfall Statistics

September Rainfall

Missoula, Missoula International Airport (0 miles)

Total Rainfall 2025
8.7in
Daily Average 2025
0.03in
Wettest Day 31 July, 2025
0.9in
Wet Days 2025
83/258 (32%)
Total Rainfall August
0.9in
Daily Average August
0.03in
Wettest Day 7 August, 2025
0.4in
Wet Days August
4/31 (13%)
Total Rainfall September
0.02in
Daily Average September
0in
Wettest Day 8 September, 2025
0.01in
Wet Days September
2/15 (13%)

Climate (2010–Present)

Missoula, Missoula International Airport (0 miles)

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Annual Average 2020–2024
12.3in
Monthly Average 2020–2025
1in
Daily Average 2020–2025
0.03in
Wettest Day 22 September, 2022
1.1in

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