Weather Outlook – May 17, 2018

NOAA Northeast Regional Climate Center, Cornell University

Last week temperatures ranged from near-normal to 4 degrees above normal. Precipitation has ranged from a trace to over two inches. Base 50 growing degree-days ranged from 20-80.

Dry on Thursday, showers and thunderstorms Friday evening into the weekend with heavy rain possible on Saturday.

Today temperatures will be in the upper 60’s to 70’s with clearing skies and dry conditions thanks to high pressure. Overnight lows will be in the low 40’s to low 50’s.

Friday temperatures will be in the 60’s with scattered showers beginning in the eventing. Overnight temperatures will be in the 40’s to low 50’s with showers continuing to move into the state.

Saturday will be rainy with thunderstorms possible (marginal risk for severe in western southern tier) and temperatures in the mid 50’s to 60’s; locally heavy rainfall is possible. Overnight temperatures will be in the 50’s with scattered showers continuing.

Sunday will have highs in the 70’s with occasional light showers but a mostly dry day. Overnight temperatures will be in the 50’s.

Monday a few showers are possible with highs in the upper 60’s to to mid 70’s. Lows will be in the mid 40’s to mid 50’s.

Tuesday will have highs in the upper 60’s to mid 70’s with scattered showers and thunderstorms.  Lows will be in the upper 40’s to low 50’s.

Wednesday, temperatures will be in the 70’s.  Lows will be in the upper 40’s to low 50’s.

The seven-day precipitation amounts will range from ¾ inch to 2 inches.

The 8-14 day outlook (May 24-30) favors above-normal temperatures and below-normal precipitation for the state.

Maps of 8-14 day outlooks:
http://www.cpc.ncep.noaa.gov/products/predictions/814day/index.php

National Weather Service watch/warnings map:
http://www.weather.gov/erh/

US Drought Monitor
http://droughtmonitor.unl.edu/Home.aspx

CLIMOD2 (NRCC data interface):
http://climodtest.nrcc.cornell.edu

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