Extreme Heat Warning
2026-07-16T00:00:00-06:00

* WHAT...Extremely hot daytime temperatures combined with warm overnight lows will produce cumulative heat stress. * WHERE...Portions of southeast Montana and north central Wyoming. * WHEN...Until midnight MDT Wednesday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Dangerously hot conditions with temperatures of 98 to 106 through Wednesday. Overnight lows will remain well above normal providing only limited relief.

Otter E Historical Data

Historical Data


Date Snowpack SWE Snowfall Air Temperature
2026-05-09 0.56"
2026-05-10 0.68"
2026-05-11 0.45"
2026-05-12 0.42"
2026-05-13 0.35"
2026-05-14 0.14"
2026-05-15 0.46"
2026-05-16 0.33"
2026-05-17 0.39"
2026-05-18 0.35"
2026-05-19 0.6"
2026-05-20 0.52"
2026-05-21 0.4"
2026-05-22 0.37"
2026-05-23 0.35"
2026-05-24 0.32"
2026-05-25 0.28"
2026-05-26 0.25"
2026-05-27 0.34"
2026-05-28 0.33"
2026-05-29 0.25"
2026-05-30 0.32"
2026-05-31 0.37"
2026-06-01 0.31"
2026-06-02 0.39"
2026-06-03 0.43"
2026-06-04 0.5"
2026-06-05 0.31"
2026-06-06 0.15"
2026-06-07 0.88"
2026-06-08 0.36"
2026-06-09 0.43"
2026-06-10 0.21"
2026-06-11 0.25"
2026-06-12 0.29"
2026-06-13 0.31"
2026-06-14 0.37"
2026-06-15 0.22"
2026-06-16 0.24"
2026-06-17 0.29"
2026-06-18 0.3"
2026-06-19 0.23"
2026-06-20 0.33"
2026-06-21 0.45"
2026-06-22 0.29"
2026-06-23 0.31"
2026-06-24 0.35"
2026-06-25 0.5"
2026-06-26 0.44"
2026-06-27 0.4"
2026-06-28 0.31"
2026-06-29 0.22"
2026-06-30 0.33"
2026-07-01 0.29"
2026-07-02 0.0"
2026-07-03 0.19"
2026-07-04 0.24"
2026-07-05 0.31"
2026-07-06 0.3"
2026-07-07 0.32"
2026-07-08 0.22"
2026-07-09 0.23"
2026-07-10 0.19"
2026-07-11 0.2"
2026-07-12 0.13"
2026-07-13 0.0"

Snowfall Calendar


Date Average 2026

Annual Peak Snowpack


Seasonal Comparison


Oceanic Nino Index