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Colonie, New York 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Colonie NY
National Weather Service Forecast for: Colonie NY
Issued by: National Weather Service Albany, NY
Updated: 10:38 am EDT Apr 4, 2025
 
Today

Today: Mostly sunny, with a high near 59. Northwest wind 10 to 13 mph.
Mostly Sunny

Tonight

Tonight: Mostly cloudy, with a low around 38. North wind around 6 mph.
Mostly Cloudy

Saturday

Saturday: Rain.  High near 46. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 28 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Rain

Saturday
Night
Saturday Night: Rain before 2am, then showers after 2am.  Low around 40. South wind 5 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain

Sunday

Sunday: Showers, mainly before 2pm.  High near 52. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Showers

Sunday
Night
Sunday Night: A chance of rain showers before 5am, then a chance of rain and snow showers.  Mostly cloudy, with a low around 33. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Chance
Rain/Snow
Monday

Monday: A chance of snow showers before 8am.  Partly sunny, with a high near 48. Chance of precipitation is 30%.
Chance Snow
Showers then
Partly Sunny
Monday
Night
Monday Night: A chance of rain showers between 8pm and 2am, then a chance of snow showers after 2am.  Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Chance
Showers then
Chance
Rain/Snow
Tuesday

Tuesday: A chance of snow showers before 2pm.  Partly sunny, with a high near 39. Chance of precipitation is 30%.
Chance Snow
Showers

Hi 59 °F Lo 38 °F Hi 46 °F Lo 40 °F Hi 52 °F Lo 33 °F Hi 48 °F Lo 31 °F Hi 39 °F

 

Today
 
Mostly sunny, with a high near 59. Northwest wind 10 to 13 mph.
Tonight
 
Mostly cloudy, with a low around 38. North wind around 6 mph.
Saturday
 
Rain. High near 46. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
 
Rain before 2am, then showers after 2am. Low around 40. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
 
Showers, mainly before 2pm. High near 52. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
 
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
 
A chance of snow showers before 8am. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Monday Night
 
A chance of rain showers between 8pm and 2am, then a chance of snow showers after 2am. Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Tuesday
 
A chance of snow showers before 2pm. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Tuesday Night
 
Partly cloudy, with a low around 25.
Wednesday
 
Mostly sunny, with a high near 46.
Wednesday Night
 
Partly cloudy, with a low around 29.
Thursday
 
Mostly sunny, with a high near 54.

 

Forecast from NOAA-NWS for Colonie NY.

Weather Forecast Discussion
617
FXUS61 KALY 041043
AFDALY

AREA FORECAST DISCUSSION
National Weather Service Albany NY
643 AM EDT Fri Apr 4 2025

.SYNOPSIS...
Regionwide dry conditions return to today with
seasonably warm temperatures. A wet weekend ensues with widespread
rainfall expected late tonight through at least Sunday morning.
Additional chances for precipitation, along with below normal
temperatures, return early next week before high pressure builds in
and reinforces dry weather through the middle of the work week.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
Key Message:

- Dry, pleasant day today with seasonably warm temperatures.

Discussion:
.UPDATE...As of 645 AM EDT...Few changes needed with this
update as the forecast remains in good shape. Minor adjustments
were made to temperatures to reflect latest obs and trends and
PoPs within the southern portion of our CWA were lowered due to
the latest trend of the weak disturbance passing farther to our
south. All else remains unchanged with additional details in the
previous discussion below.

.PREVIOUS DISCUSSION...
Cold air is slowly advecting south and eastward in the wake of a
cold front that completed its passage through the region earlier
this morning pairing with extensive cloud coverage and
sufficient low-level mixing to create a fairly sharp, northwest
to southeast temperature gradient across eastern New York and
western New England. The coldest spots can be found in the
Southwest Adirondacks where temperatures have finally fallen
into the upper 30s with the warmest in the lower Mid-Hudson
Valley where values remain in the low to mid 60s.

With a surface anticyclone building eastward and ridging tagging
along aloft, ongoing dry conditions will be allowed to continue
throughout the day today with temperatures reaching seasonably
warm levels. Forecast soundings indicate fairly deep mixing by
this afternoon and with clouds eroding to partial coverage,
erred on the warmer side of guidance to reflect the expectation
that values will widely reach the mid 50s to mid 60s and upper
40s to low 50s in the Southwest Adirondacks.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY NIGHT/...
Key Messages:

- Widespread rainfall begins late tonight with a low to medium
  (20 to 60%) probability of 0.01" of freezing rain at the
  highest elevations of the Southwest Adirondacks and Southern
  Greens through tomorrow morning.

- Periods of rain continue through at least Sunday morning
  before tapering off Sunday afternoon, yielding a weekend total
  of 0.5" to 1" of rainfall regionwide.

Discussion:

By this evening, the aforementioned surface high and upper-level
ridge will slide overhead before beginning their departure to
the east. Clouds will begin to increase ahead of an incoming
surface wave and upper-level shortwave with low temperatures
falling to the 30s and 40s.

Rain will begin to overspread the region late tonight/early
Saturday morning from west to east as the surface wave deepens
into an area of low pressure and warm air advection and
isentropic lift increase ahead of its attendant warm front. Some
wet snow will likely mix in at the higher elevations of the
Southwest Adirondacks and Southern Greens at onset with surface
temperatures at or near freezing and small pockets of dry air
near the surface providing a wetbulb effect. However, as warm
air advection continues to increase, a low to mid-level warm
nose will develop and snow could transition to freezing rain.
There is a bit of uncertainty in this element of the forecast,
however. With the aforementioned high sitting just off to our
east by precipitation onset early Saturday morning, southeast
winds will help to dam cold air up against southeastward-facing
slopes of the Southwest Adirondacks and Southern Greens. While
this seems probable with probabilities of temperatures falling
to 32F or lower ranging from 50 to 90% in these areas, forecast
soundings are not completely in agreement in their depiction of
the depth of the warm nose. Timing wise, the window of potential
freezing rain looks to fall between 6 AM and 10 AM with the
highest probability potentially falling between the hours of 8
AM to 10 AM such that the warm nose has time to grow deep enough
to support this precipitation type. Therefore, to convey the
uncertainty of the forecast, at the highest peaks of the
Southwest Adirondacks and Southern Greens where temperatures
will remain at or just below freezing during this time, input
snow with a slight chance of freezing rain from 6 AM to 8 AM and
snow with a chance of freezing rain from 8 AM to 10 AM.
Advisories may be needed in the near future for portions of
these areas given the 20 to 60% probabilities for at least 0.01"
of ice accretion, but after discussion with neighboring offices,
we decided that there was too much uncertainty to consider their
issuance at this time.

After 10 AM, any lingering mixed precipitation should transition
to plain rain and periods of such, becoming moderate at times,
will continue throughout the day Saturday as the aforementioned
warm front nears the region. High temperatures will be cooler
than today with widespread 40s and upper 30s at higher
elevations. By Saturday night, the primary surface low moves
overhead, allowing the warm front to pass through and rain to
continue as lows will generally be above freezing, ranging
widely from the mid 30s to low 40s. Some wet snowflakes could
mix in at the highest elevations of the Southwest Adirondacks
and Southern Greens where temperatures near freezing but
accumulations will be minimal. Rain continues into Sunday as the
low moves east from overhead and its attendant cold front moves
through the region. Widespread rain will become more scattered
and showery in nature by Sunday afternoon before dry conditions
are reinforced Sunday night. Highs Sunday will range widely from
the 40s to 50s with pockets of upper 30s in the Southwest
Adirondacks before low temperatures fall to the 20s and 30s in
the wake of the departing front.

&&

.LONG TERM /MONDAY THROUGH THURSDAY/...
Key Messages:

- High confidence in below normal temperatures beginning next
Tuesday. 30-60% chance of one inch of snow in mountain areas
Monday night into Tuesday. Winds become strong/gusty on Tuesday.

Discussion:

On Mon, a front will be positioned to our south and east and moving
farther away during the day. A few rain/snow showers could linger
into the morning, but otherwise most of the day looks dry with near
normal temperatures. Mon night into Tue a vigorous upper level
trough approaching from the upper Great Lakes is forecast to become
negatively tilted as it tracks into the lower Great Lakes by early
Tue morning. This will result in rapid cyclogenesis, with guidance
indicating the primary cyclone developing just north of our area and
eventually tracking east into northern New England on Tue. So the
main forcing looks to occur from a trailing cold front, with mainly
scattered valley rain/snow and mountain snow showers. NBM probs
indicate a 30-60% chance of > 1" snow in mountain areas. Some valley
areas could see a dusting. As the cyclone deepens, northwest winds
will become quite gusty on Tue as well. Temperatures will be at
least 10 degrees below normal.

Cold/breezy and dry conditions expected Tue night into Wed, although
winds don`t look quite as strong as the system pulls farther away.
Both high/low temperatures should be around 10 degrees below normal.
High pressure then moves east across the area Wed afternoon into Wed
night bringing continued dry but cool conditions. Some moderation
should occur on Thu, as the high shifts east off the coast and a
warmer southerly flow develops.

&&

.AVIATION /12Z FRIDAY THROUGH TUESDAY/...
Through 12z Saturday...VFR conditions are expected to prevail
through the 24 hour TAF period. BKN mid level clouds will be around
for a few more hours this morning, then just BKN high level cirrus
clouds expected through around 06z-08z. Mid level clouds will then
increase ahead of the next system approaching from the west but
remain at VFR levels. Winds today will become north-northwest later
this morning and increase to 10-15 kt with gusts of 15-25 kt
developing. Winds will gradually subside to less than 5 kt tonight.

Outlook...

Saturday Night: High Operational Impact. Breezy. Definite SHRA...RA.
Sunday: High Operational Impact. Likely SHRA.
Sunday Night: Moderate Operational Impact. Chance of SHRA...SHSN.
Monday: Low Operational Impact. Slight Chance of SHRA...SHSN.
Monday Night: Moderate Operational Impact. Breezy. Chance of SHRA...SHSN.
Tuesday: Moderate Operational Impact. Breezy. Chance of SHSN.
Tuesday Night: Low Operational Impact. Breezy. NO SIG WX.
Wednesday: Low Operational Impact. Breezy. NO SIG WX.

&&

.FIRE WEATHER...
While RH values today are expected to drop to 30- 40% in the
Hudson Valley, wind gusts will generally remain in the 15- 20
mph range or lower, except for around the Capital District where
more frequent gusts to around 20 to 25 mph are possible
this afternoon. Nevertheless, given the limited overlap of
stronger winds and lower RH values, combined with the recent
precipitation, the potential for fire spread today does not look
to be high enough to warrant SPS issuance at this time.
Widespread rain is expected late tonight into the weekend, which
should further mitigate any fire weather concerns through early
next week.

&&

.ALY WATCHES/WARNINGS/ADVISORIES...
CT...None.
NY...None.
MA...None.
VT...None.

&&

$$

SYNOPSIS...Gant
NEAR TERM...Gant
SHORT TERM...Gant
LONG TERM...JPV
AVIATION...JPV
FIRE WEATHER...Gant/Main
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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