Overview Realtime Historical Map View
Flash Flood Watch
2026-09-04T19:00:00-06:00

* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the Wapiti Burn Area. * WHERE...Wapiti Burn Area. * WHEN...From midnight MDT tonight through Friday evening. * IMPACTS...Heavy rainfall over the Wapiti burn area is possible during the period of the watch. Be sure to stay up to date with information from local authorities. Heavy rainfall could trigger flash flooding or debris flows in and near recent wildfire burn scars. * ADDITIONAL DETAILS... - Heavy rainfall is possible over the burn scar, which may lead to flash flooding and debris flows in Grandjean area. - https://www.weather.gov/safety/flood

Banner Summit Historical Data

Historical Data


Date Snowpack SWE Snowfall Air Temperature
2025-11-27 8.73"
2025-11-28 9.15"
2025-11-29 8.84"
2025-11-30 8.8"
2025-12-01 8.69"
2025-12-02 9.29"
2025-12-03 9.69"
2025-12-04 9.18"
2025-12-05 13.05"
2025-12-06 13.97"
2026-05-09 16.17"
2026-05-10 12.43"
2026-05-11 8.12"
2026-05-12 3.58"
2026-05-13 3.74"
2026-05-14 3.82"
2026-05-15 3.7"
2026-05-16 3.74"
2026-05-17 3.67"
2026-05-18 4.07"
2026-05-19 3.8"
2026-05-20 4.07"
2026-05-21 3.59"
2026-05-22 3.73"
2026-05-23 3.71"
2026-05-24 3.78"
2026-05-25 3.69"
2026-05-26 3.87"
2026-05-27 3.99"
2026-05-28 3.72"
2026-05-29 3.83"
2026-05-30 3.69"
2026-05-31 3.68"
2026-06-01 3.86"
2026-06-02 3.94"
2026-06-03 3.79"
2026-06-04 4.1"
2026-06-05 4.0"
2026-06-06 4.31"
2026-06-07 4.66"
2026-06-08 5.31"
2026-06-09 4.09"
2026-06-10 5.33"
2026-06-11 5.39"
2026-06-12 5.06"
2026-06-13 4.98"
2026-06-14 4.84"
2026-06-15 4.87"
2026-06-16 4.73"
2026-06-17 7.29"
2026-06-18 5.01"
2026-06-19 5.77"
2026-06-20 6.39"
2026-06-21 5.31"
2026-06-22 6.57"
2026-06-23 5.84"
2026-06-24 4.78"
2026-06-25 6.61"
2026-06-26 5.98"
2026-06-27 7.6"
2026-06-28 6.89"
2026-06-29 7.12"
2026-06-30 6.6"
2026-07-01 4.59"
2026-07-02 7.75"
2026-07-03 7.4"
2026-07-04 7.16"
2026-07-05 5.89"
2026-07-06 6.54"
2026-07-07 4.46"
2026-07-08 4.72"
2026-07-09 4.92"
2026-07-10 4.57"
2026-07-11 4.96"
2026-07-12 5.46"
2026-07-13 4.69"
2026-07-14 5.28"
2026-07-15 6.01"
2026-07-16 4.89"
2026-07-17 4.59"
2026-07-18 4.11"
2026-07-19 6.01"
2026-07-20 4.03"
2026-07-21 4.78"
2026-07-22 6.36"
2026-07-23 5.82"
2026-07-24 4.28"
2026-07-25 4.67"
2026-07-26 6.53"
2026-07-27 6.33"
2026-07-28 5.71"
2026-07-29 6.95"
2026-07-30 4.84"
2026-07-31 6.41"
2026-08-01 6.53"
2026-08-02 6.32"
2026-08-03 7.49"
2026-08-04 7.28"
2026-08-05 6.5"
2026-08-06 7.58"
2026-08-07 5.8"
2026-08-08 7.65"
2026-08-09 8.1"
2026-08-10 7.93"
2026-08-11 7.28"
2026-08-12 5.54"
2026-08-13 6.87"
2026-08-14 5.41"
2026-08-15 6.1"
2026-08-16 5.96"
2026-08-17 5.33"
2026-08-18 6.96"
2026-08-19 6.66"
2026-08-20 7.37"
2026-08-21 6.13"
2026-08-22 4.76"
2026-08-23 7.24"
2026-08-24 6.78"
2026-08-25 7.44"
2026-08-26 5.3"
2026-08-27 7.17"
2026-08-28 6.35"
2026-08-29 6.27"
2026-08-30 8.34"
2026-08-31 8.15"
2026-09-01 8.24"
2026-09-02 4.94"

Snowfall Calendar


Date Average 2026 2025
11-27 0
11-28 0.02
11-29 0.14
11-30 0
12-01 0
12-02 0
12-03 0
12-04 0
12-05 0
12-06 2.16

Annual Peak Snowpack


Seasonal Comparison


Oceanic Nino Index