Active pattern across the country with an atmospheric river event across the Northwest into the northern Rockies and a cold front moving through the east. For the west, accumulating snow and strong winds for the higher elevations are expected through Tuesday. Meanwhile, a cold front moves across the east with gusty winds and snow showers across the Great Lakes and New England. Read More >
Flooding of Wyoming rivers typically occurs in the late spring or early summer as mountain snowpack melts. Several weather factors including snowpack level, temperature, duration of warm temperatures, and additional precipitation, all play a role in how the snowpack melts and filters to streams, creeks, and rivers. The links below are provided as a way for you to monitor current and forecast trends for snowpack, snowmelt, and flood potential.
Also, the US Geological Survey, USGS, operates "WaterAlert." The WaterAlert service sends e-mail or text (SMS) messages when certain parameters, as measured by a USGS real-time data-collection station, exceed user-definable thresholds. The development and maintenance of the WaterAlert system is supported by the USGS and its partners, including numerous federal, state, and local agencies. To read more or register online visit https://water.usgs.gov/wateralert/.
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Abbreviations used on this page:
AHPS - Advanced Hydrologic Prediction Services
NOAA - National Oceanic and Atmospheric Administration
NOHRSC - National Operational Hydrologic Remote Sensing Center
NWS - National Weather Service
NRCS - Natural Resource Conservation Service
PDSI - Palmer Drought Severity Index
SNOTEL - Snow Telemetry
SWE - Snow Water Equivalent
USGS - United States Geologic Survey