Thief River Falls Rainfall Forecast

Today 20 Sep
No Rain
Mon 21 Sep
No Rain
Tue 22 Sep
No Rain
Wed 23 Sep
5%
Thu 24 Sep
60%
Fri 25 Sep
10%
Sat 26 Sep
35%

Thief River Falls Rainfall Statistics

September Rainfall

Thief River Falls, Thief River Falls Regional Airport (3.1 miles)

Total Rainfall 2026
9.2in
Daily Average 2026
0.04in
Wettest Day 24 July, 2026
1.9in
Wet Days 2026
57/263 (22%)
Total Rainfall August
0.7in
Daily Average August
0.02in
Wettest Day 3 August, 2026
0.5in
Wet Days August
11/31 (35%)
Total Rainfall September
0.3in
Daily Average September
0.02in
Wettest Day 14 September, 2026
0.3in
Wet Days September
1/20 (5%)

Climate (2021–2025)

Thief River Falls, Thief River Falls Regional Airport (3.1 miles)

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Annual Average 2021–2025
12.8in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.04in
Wettest Day 23 April, 2022
2.3in

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