Rainfall totals Montana
In the last 24 hours, the National Weather Service logged 3 rainfall reports in Montana. The highest was 1.55 inches at 5 W Melville, and the latest was 6:00 PM MDT.
as of
For normal annual precipitation from NCEI 1991-2020 normals, Billings, Montana, is the highest placed Montana city in the ranking, at 128 of 145 tracked cities. Full city precipitation ranking
Heavy-rain reports, last 24 hours
| Place | Amount | Reported by | Time |
|---|---|---|---|
| Cut BankGlacier County | 0.78 inches | Public | |
| 5 W MelvilleSweet Grass County | 1.55 inches | CO-OP Observer | |
| 18 ENE WarrenCarbon County | 1.18 inches | Mesonet |
Rain reports come from National Weather Service Local Storm Reports, with sources including automated gauges, the public, trained spotters, and CoCoRaHS; each report shows its source and time.
How much rain did Montana get?
| City | Year to date | Normal to date | vs normal | Rain days | Last rain |
|---|---|---|---|---|---|
| Billings | 12.40 inches | 12.30 inches | +0.10 inches (+1%) | 68 | 0.14 inches Sep 23, 2026 |
| Missoula | 11.76 inches | 11.13 inches | +0.63 inches (+6%) | 79 | 0.02 inches Sep 23, 2026 |
Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA. Averages are 1991-2020 normals from NCEI.
Rainfall records for Montana
Rain questions
How many inches of rain per year does Montana get?
13.6 inches at Missoula to 14.4 inches at Billings is the range of average annual rainfall among the cities measured here, based on 1991-2020 normals.
How do I find past rainfall totals for Montana?
This page has year-to-date totals and records for each station. Each city page keeps a day-by-day log. For older station history, use the NCEI past weather portal.
Rain events in Montana
| Dates | Top | Where | States | Reports |
|---|---|---|---|---|
| September 20, 2026 | 2.23 inches | 5 NNW Cohagen, MT | 1 | 4 |
| September 20 to 21, 2026 | 2.86 inches | 1 NNW Piedmont, SD | 3 | 210 |
| September 19, 2026 | 3.50 inches | 2 WNW Barber, MT | 1 | 5 |
Counties with rain reports in Montana, 2026
- Yellowstone County4 · 3.22 inches
- Garfield County4 · 2.23 inches
- Rosebud County3 · 2.16 inches
- Cascade County2 · 0.37 inches
- Lewis and Clark County1 · 12.00 inches
- Wheatland County1 · 3.50 inches
- Carter County1 · 1.75 inches
- Sweet Grass County1 · 1.55 inches
- Carbon County1 · 1.18 inches
- Glacier County1 · 0.78 inches
A county earns a spot here as soon as one report in the period is filed.
Recent days with reports in Montana
National Weather Service offices file Local Storm Reports; the Iowa Environmental Mesonet of Iowa State University relays them to this page, where they appear as live spotter reports. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.