Experimental national (contiguous USA) stream water temperature forecast:

This week, stream temperatures are expected to increase rapidly in the upper Midwest and cool in the Northeast and West Coast, with modest trends elsewhere. Most of the west is a bit warmer than average and there's a hot zone in the northeast, with the rest of the country largely on the cool side. The trend over the week is largely a return to average, especially in the upper Midwest and northeast. (This forecast is for a total of 913 small [HUC-12] watersheds randomly selected from around the country.)

Warning: this is an experimental stream water temperature forecast for the upcoming week. Results are not guaranteed in any capacity. Typical errors are approximately 2.5 C (4 F).

These data and related items of information have not been formally disseminated by NOAA, and do not represent any agency determination, view, or policy. This research is funded by the NOAA Cooperative Institute for Research to Operations in Hydrology.

The code used to generate these forecasts is available on GitHub at https://github.com/mines-ciroh/natl-temp-forecast (requires support for ecCodes, for which Linux is recommended). Actual weekly forecasts are made available on CUAHSI HydroShare at
http://www.hydroshare.org/resource/b8852529788a437a8d697e9b0435b99a. The model is TempEst-NEXT (https://rivertempest.org, manuscript in review).

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