Taxing Long Island
News12 New York
Download the App
Where to Watch
Local
Crime
Weather
beWell
The East End
Crime Files
Stony Brook Medicine
LIRR Strike

Severe weather risk is over for Long Island; steadiest rain ends before midnight

The weather is beginning to improve on Long Island following scattered damaging thunderstorms earlier this evening.

Matt Hammer

May 20, 2026, 9:07 PM

Updated

Share:

More Stories

Long Island Weather Alerts

Weather Alerts for Nassau & Suffolk Counties

Loading latest alerts...

SCATTERED STRONG STORMS THIS EVENING

9:15 P.M. UPDATE: The severe thunderstorm threat for Long Island is over. That said, scattered ponding of water and debris from earlier storms can continue to impact travel overnight. Please use caution. The last of any thunderstorms will exit the East End by around 10 p.m.

COOLER WITH SHOWERS LINGERING THURSDAY

You will notice a big drop in temperatures for the end of the week and into Memorial Day Weekend, following the summer-like heat we had to start the week. You should keep a rain jacket and umbrella with you on Thursday, too, as clouds and showers will linger through at least mid-afternoon with high temperatures in the mid- to upper 60s. It will dry out more for Thursday evening.

MEMORIAL DAY WEEKEND

Unfortunately, the weather for the upcoming holiday weekend continues to not look good with periods of rain. The wettest day still looks to be Saturday, but scattered rain showers can still be around Sunday and Monday, with temperatures warming back up into the 70s by Monday.

MH X_Panel_Compare_TEMP_TREND_2(1).png

EXTENDED FORECAST

TONIGHT: STORM WATCH -- Storms are ending across Long Island. Cloudy with scattered rain showers overnight. Lows near the upper 50s to low 60s.

THURSDAY: Mostly cloudy with periods of rain showers through mid-afternoon. Then, mostly cloudy and drier into the evening. Much cooler, with high temperatures around 68 degrees. Lows near 51 degrees.

FRIDAY: Partly sunny to mostly cloudy. Highs around 66 degrees. Lows near 50 degrees.

SATURDAY: Cloudy with periods of light to moderate rain showers. Highs around 62 degrees. Lows near 50 degrees.

SUNDAY: Mostly cloudy with scattered rain showers possible. Highs around 65 degrees. Lows near 54 degrees.

MONDAY: MEMORIAL DAY -- Mostly cloudy with a few showers likely. Not a washout at this time. Highs around 72 degrees. Lows near 57 degrees.

TUESDAY: Partly sunny to mostly cloudy. Highs around 74 degrees. Lows near 56 degrees.

WEDNESDAY: Mostly sunny and warmer with highs around 78 degrees. Lows near 59 degrees.

F_P1_PM_1(199).png
F_P2_PM_1(132).png
MH_Marine(56).png
LI_10DAY_PM_MASTER(132).png

More Stories

More From News12

App StoreGoogle Play Store

info

Newsletter

Send Photos/Videos

Contact

About Us

News Team

News 12 New York

follow us

Twitter

Facebook

Instagram

more resources

Optimum Corporate

Optimum Service

Advertise on News 12

Careers

Content Removal Policy

© 2026 N12N, LLC

Privacy Policy

Terms of Service

Ad Choices