Rainfall totals Cheyenne, WY
Through Oct 7, 2026, Cheyenne has received 9.59 inches of rain for the year, according to the official daily climate report. The normal year-to-date total is 13.58 inches. The normal figure is what the city would typically have seen by this point in the calendar. This reading comes from the station gauge at CHEYENNE/WARREN AFB in the National Weather Service's daily climate report.
as of
Data from Cheyenne Regional Airport, with records back to 1915. Across the record from 1915, 100 percent of days have a reading, with 100 percent in 2025.
Most recent rainfall
0.01 inches of rain fell on Sep 26, 2026, the latest measurable rainfall this year.
CHEYENNE/WARREN AFB saw no measurable rain on Oct 7, 2026, according to the National Weather Service daily climate report.
Official rainfall report for Oct 7, 2026
| Measured | Normal | vs normal | |
|---|---|---|---|
| Rain on Oct 7, 2026 | 0.00 inches | 0.04 inches | -0.04 inches |
| Last 48 hours | 0.00 inches | ||
| Last 72 hours | 0.00 inches | ||
| Last 7 days | 0.00 inches | ||
| Month to date | 0.00 inches | 0.26 inches | -0.26 inches |
| Year to date | 9.59 inches | 13.58 inches | -3.99 inches (-29%) |
| Record for Oct 7 | 0.83 inches | 1990 |
Source: National Weather Service daily climate report for CHEYENNE/WARREN AFB, issued the morning after Oct 7, 2026. The local National Weather Service office issues the daily climate report for the airport station the next morning, and that report is the official figure.
How much rain did Cheyenne get?
Days with measurable rain, 2026
| Date | Rainfall |
|---|---|
| Sep 26, 2026 | 0.01 inches |
| Sep 23, 2026 | 0.09 inches |
| Sep 20, 2026 | 0.10 inches |
| Sep 18, 2026 | 0.16 inches |
| Sep 17, 2026 | 0.01 inches |
| Sep 13, 2026 | 0.02 inches |
| Sep 12, 2026 | 0.15 inches |
| Sep 7, 2026 | 0.01 inches |
| Sep 6, 2026 | 0.01 inches |
| Aug 29, 2026 | 0.07 inches |
| Aug 28, 2026 | 0.01 inches |
| Aug 26, 2026 | 0.70 inches |
| Aug 25, 2026 | 0.02 inches |
| Aug 22, 2026 | 0.07 inches |
| Aug 21, 2026 | 0.04 inches |
| Aug 19, 2026 | 0.08 inches |
| Aug 18, 2026 | 0.15 inches |
| Aug 15, 2026 | 0.04 inches |
| Aug 14, 2026 | 1.22 inches |
| Aug 13, 2026 | 0.18 inches |
| Aug 12, 2026 | 0.27 inches |
| Jul 29, 2026 | 0.44 inches |
| Jul 28, 2026 | 0.06 inches |
| Jul 23, 2026 | 0.25 inches |
| Jul 21, 2026 | 0.06 inches |
| Jul 19, 2026 | 0.11 inches |
| Jul 10, 2026 | 0.14 inches |
| Jul 9, 2026 | 0.02 inches |
| Jul 8, 2026 | 0.81 inches |
| Jul 7, 2026 | 0.02 inches |
With 1.22 inches on Aug 14, 2026, this is the 86th wettest of the 11,137 measurable rain days in the Cheyenne Regional Airport record, which begins in 1915.
Through Oct 2, 2026, the GHCN-Daily station record shows 9.59 inches of measurable rain so far this year, falling over a 68-day span. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.
Cheyenne rainfall by month, 2026
| Month | Rainfall | Normal | vs normal |
|---|---|---|---|
| January | 0.15 inches | 0.35 inches | -0.20 inches |
| February | 0.37 inches | 0.52 inches | -0.15 inches (-29%) |
| March | 0.90 inches | 0.96 inches | -0.06 inches (-6%) |
| April | 0.25 inches | 1.79 inches | -1.54 inches (-86%) |
| May | 2.19 inches | 2.44 inches | -0.25 inches (-10%) |
| June | 0.41 inches | 2.16 inches | -1.75 inches (-81%) |
| July | 1.91 inches | 2.11 inches | -0.20 inches (-9%) |
| August | 2.85 inches | 1.52 inches | +1.33 inches (+88%) |
| September | 0.56 inches | 1.47 inches | -0.91 inches (-62%) |
| October | 0.00 inches | 1.00 inches |
October is still in progress; figures run through Oct 2, 2026. Averages are 1991-2020 normals from NCEI.
Rainfall days at each threshold in Cheyenne
| Year | 0.5+ in. | 1+ in. | 2+ in. | 3+ in. |
|---|---|---|---|---|
| 2025 | 6 | 1 | 0 | 0 |
| 2024 | 3 | 1 | 0 | 0 |
| 2023 | 12 | 1 | 0 | 0 |
| 2022 | 0 | 0 | 0 | 0 |
| 2021 | 5 | 4 | 1 | 0 |
| 2020 | 2 | 0 | 0 | 0 |
| 2019 | 9 | 2 | 0 | 0 |
| 2018 | 9 | 1 | 0 | 0 |
| 2017 | 8 | 1 | 0 | 0 |
| 2016 | 5 | 2 | 0 | 0 |
| Average | 7.0 | 1.5 | 0.1 | 0.0 |
A day counts when its rainfall total meets or passes the column amount, from Cheyenne Regional Airport records in GHCN-Daily. Every complete year starting with 1915 counts toward the average, 111 years in total.
Past rainfall years in Cheyenne
All-time rainfall records
| Wettest day | 6.06 inches | Aug 1, 1985 |
|---|---|---|
| Wettest year | 23.69 inches | 1942 |
| Driest year | 5.94 inches | 1964 |
| Average year | 15.16 inches | 111 complete years on record |
| Rain days a year | 100 | average, 0.01 inch or more |
| Record begins | 1915 | 40,798 daily readings |
Monthly rainfall normals
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inches | 0.35 | 0.52 | 0.96 | 1.79 | 2.44 | 2.16 | 2.11 | 1.52 | 1.47 | 1.00 | 0.61 | 0.48 | 15.41 |
Averages are 1991-2020 normals from NCEI.
The daily climate report is issued by the local National Weather Service forecast office and delivered to this page by the Iowa Environmental Mesonet of Iowa State University. 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.