Seattle, WA broke its single day rainfall record yesterday. The city received 1.20″ of rain on Wednesday, October 18th, 2017, which surpassed the previous record of 1.19″ that was set in 1958. This isn’t a small feat due to the fact that the city roughly 150 days of rain each year.
At 12 AM PDT, Seattle has surpassed the daily record with 1.20" of rain. The previous record was 1.19" set in 1958. #wawx
— NWS Seattle (@NWSSeattle) October 19, 2017
The previous record was only surpassed by 0.01″. If the temperatures were below freezing, this precipitation would have accumulated to 1-2 feet of snow, depending on the density. The forecast is calling for more rain the next few days, which could lead to minor flooding in the area.
Seattle, WA Hydrologic Outlook:
HYDROLOGIC OUTLOOK NATIONAL WEATHER SERVICE SEATTLE WA 328 PM PDT Wed Oct 18 2017 ...Heavy rainfall will Give a Threat of Flooding to Many Western Washington Rivers Saturday night and Sunday... A period of significant rainfall is forecast by weather prediction models from later Saturday through Sunday. This rainfall may produce minor flooding on area rivers starting Saturday night and continuing through Sunday or Sunday night. While it is difficult at this time to pinpoint exactly where and when the heaviest rainfall and highest threat for flooding will occur, it appears that the greatest threat will be over the southern half of Western Washington Saturday night and Sunday. Please continue to monitor latest forecasts since conditions can change.