TWO DAYS OF HEAT, THEN A RETREAT...

PREDICTABILITY OF FORECAST PERIOD THROUGH THURSDAY: HIGH
PREDICTABILITY OF FORECAST PERIOD FRIDAY THROUGH SUNDAY--LOW 

1. Temps start coming up Tuesday, but crescendo comes Wednesday/Thursday. Truly hot temps, with urban areas touching mid/upper 90s for highs. 80s (wednesday) then some isolated 90s (Thursday) even on Long Island. Warmest day is Thursday. Risk of a thunderstorm Thursday north and west of NYC.

2. Lows in the mid to upper 70s. Uncomfortable sleeping Wednesday/thursday nights.

intellicast Temps:

2. As the mercury climbs this week, humidity levels drop in the mid-afternoon! WInd direction not conducive to super muggy air mass. Still though, caution should be used during peak afternoon sun.

HEAT INDEX CHART, which shows how it "feels" on your body.  It says to use "extreme caution" for Wednesday, Thursday.

3. Front comes barreling in Friday, with the possibility of heavy rain/storms. Temps lower due to cloud cover and ensuing precip in the early afternoon/early evening. Highs in the lower/mid 80s. Humidity spikes Friday before front sweeps through.

4. Risk of a shower or storm for the weekend, as temps come back to near-normal levels. Week of the 24th looking very cool overall, with some unsettled periods of showers and storms (details to come)

5. Tropics could become active in the gulf this week, possibly affecting deep south Texas. Strong typhoon will hit Mainland Japan on Tuesday.

From NOAA:

"weather overview" terms to help kick the point-and-click:

PREDICTABILITY OF FORECAST PERIODS

HIGH- most credible sources are in excellent agreement

MEDIUM: most credible sources are in fairly good agreement, with some differences

LOW: widespread differences in forecasts, AND overall low confidence from NWS Upton office

Risk of a shower/thunderstorm-probability of a shower is low. Most of the forecast period will be dry.

Numerous (heavy can be inserted) Showers/thunderstorms- probability of showers is high, and could happen multiple times during the given forecast period. Constant rain is not expected

Rainy conditions-intermittent precip; rain can vary in duration, but usually will last more than an hour. Light to moderate intensity. Less than an inch expected during the forecast period.

Heavy Rain-soaking, constant rainfall for at least an hour (duration can be much longer); amounts over a half an inch. 

Light snow-very light snowfall. Little to no accumulation. Duration depends. 

Snowy conditions-intermittent snow can last more than an hour at a time, but generally average less than 3 inches total.

Heavy Snow-heavy snowfall. Snowfall of at least 3 hours in duration. Totals can be added in

Drizzle-constant drizzle

Occasional Drizzle-intermittent drizzle