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Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

LMRFC web graphics will be unavailable today (Jan 18, 2018) due to required computer upgrades. These include forecast status maps for mobile devices, observed precipitation, future precipitation, soil moisture, and winter weather web graphics. The exact time of restoration is not known at this time but is expected to be within the next couple of days.

The zoomable, panable map of river forecast locations on our main page will remain available. For alternate graphics of observed precipitation, future precipitation, soil moisture, winter weather web graphics, and others produced by the LMRFC, use the links at the bottom of the respective pages.