Observed 11:25 AM EDT at KPBG

Lyon Mountain, NY weather

Sunny and 46°8°.

Mostly agree

Now 46°8°

Sunny

Wind: 5 mph7 km/h; From the east-southeast. Up to 10 mph16 km/h through 11 PM
Dew point: 36°2°; Comfortable · down to 22°−6° by 12 PM (dry)
UV index: 2Low; Moderate 1–2 PM · peak 3
Pressure: 30.57 inHg1035 hPa; Falling slowly · −0.03 inHg−1.2 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (47°8° then, 45°7° now)

Good hours for

High 48°9° today at 4 PM
Below 40°4° tonight after 8 PM
Below freezing tomorrow 6–8 AM (low 31°−1°)
Above 40°4° tomorrow by 10 AM
Gusts to 28 mph45 km/h tomorrow night 11 PM–10 AM

This afternoonUp to 48°9° by 4 PM · Clear
TonightDown to 33°1° by 4 AM · Clear
Tomorrow morningUp to 46°8° by 11 AM · freezing, low 31°−1° · Clear
Tomorrow afternoonUp to 54°12° by 4 PM · Clear
Tomorrow nightDown to 42°6° by 5 AM · gusts to 28 mph45 km/h · Mostly cloudy
Monday morningNear 43°6° · rain chance 10% · gusts to 26 mph42 km/h · Mostly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 11a	Sunny	39°4° (likely 39°4° to 47°8°)	36°2°	0%	5 mph8 km/h from W, gusts 5 mph8 km/h	48%	4%	2
Sat 12p	Sunny	42°6° (likely 42°6° to 49°9°)	42°6°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	44%	1%	2
Sat 1p	Sunny	45°7° (likely 45°7° to 51°11°)	45°7°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	40%	0%	3
Sat 2p	Sunny	46°8° (likely 46°8° to 52°11°)	46°8°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	37%	0%	2
Sat 3p	Sunny	47°8° (likely 47°8° to 52°11°)	47°8°	0%	1 mph2 km/h from SW, gusts 6 mph10 km/h	37%	0%	2
Sat 4p	Sunny	48°9° (likely 48°9° to 50°10°)	48°9°	0%	2 mph3 km/h from SW, gusts 7 mph12 km/h	35%	0%	1
Sat 5p	Sunny	46°8° (likely 45°7° to 49°9°)	44°7°	0%	5 mph8 km/h from SW, gusts 6 mph9 km/h	42%	0%	0
Sat 6p	Clear	43°6° (likely 41°5° to 43°6°)	38°3°	0%	8 mph13 km/h from W, gusts 4 mph6 km/h	47%	0%	0
Sat 7p	Clear	41°5° (likely 38°3° to 41°5°)	35°2°	0%	10 mph16 km/h from W, gusts 4 mph6 km/h	50%	0%	0
Sat 8p	Clear	39°4° (likely 36°2° to 40°4°)	33°1°	0%	8 mph13 km/h from W, gusts 6 mph9 km/h	52%	0%	0
Sat 9p	Clear	38°3° (likely 35°2° to 41°5°)	32°0°	0%	8 mph13 km/h from W, gusts 8 mph12 km/h	54%	0%	0
Sat 10p	Clear	37°3° (likely 35°2° to 42°6°)	31°−1°	0%	8 mph13 km/h from W, gusts 9 mph15 km/h	54%	0%	0
Sat 11p	Clear	36°2° (likely 34°1° to 42°6°)	30°−1°	0%	8 mph13 km/h from W, gusts 10 mph17 km/h	54%	0%	0
Sun 12a	Clear	35°2° (likely 32°0° to 42°6°)	28°−2°	0%	8 mph13 km/h from W, gusts 11 mph18 km/h	54%	0%	0
Sun 1a	Clear	34°1° (likely 32°0° to 42°6°)	27°−3°	0%	9 mph14 km/h from W, gusts 11 mph18 km/h	54%	0%	0
Sun 2a	Clear	34°1° (likely 32°0° to 43°6°)	27°−3°	0%	9 mph14 km/h from W, gusts 11 mph18 km/h	54%	0%	0
Sun 3a	Clear	34°1° (likely 32°0° to 44°7°)	27°−3°	0%	8 mph13 km/h from W, gusts 12 mph19 km/h	54%	0%	0
Sun 4a	Clear	33°1° (likely 32°0° to 44°7°)	24°−4°	0%	12 mph19 km/h from W, gusts 11 mph18 km/h	58%	0%	0
Sun 5a	Clear	33°1° (likely 32°0° to 43°6°)	24°−4°	0%	13 mph21 km/h from W, gusts 14 mph23 km/h	58%	0%	0
Sun 6a	Clear	32°0° (likely 31°−1° to 41°5°)	21°−6°	0%	16 mph26 km/h from W, gusts 15 mph24 km/h	58%	0%	0
Sun 7a	Sunny	31°−1° (likely 31°−1° to 41°5°)	20°−7°	0%	16 mph26 km/h from W, gusts 15 mph24 km/h	63%	0%	0
Sun 8a	Sunny	34°1° (likely 32°0° to 41°5°)	25°−4°	0%	14 mph23 km/h from W, gusts 15 mph24 km/h	58%	0%	0
Sun 9a	Sunny	38°3° (likely 36°2° to 45°7°)	29°−2°	0%	15 mph24 km/h from W, gusts 16 mph25 km/h	54%	0%	1
Sun 10a	Sunny	42°6° (likely 42°6° to 49°9°)	34°1°	0%	16 mph26 km/h from W, gusts 18 mph29 km/h	53%	0%	2
Sun 11a	Sunny	46°8° (likely 46°8° to 53°12°)	39°4°	0%	17 mph27 km/h from W, gusts 19 mph30 km/h	51%	0%	3
Sun 12p	Sunny	48°9° (likely 48°9° to 55°13°)	42°6°	0%	15 mph24 km/h from W, gusts 18 mph30 km/h	49%	0%	3
Sun 1p	Sunny	51°11° (likely 51°11° to 57°14°)	51°11°	0%	13 mph21 km/h from W, gusts 16 mph26 km/h	44%	0%	4
Sun 2p	Sunny	51°11° (likely 51°11° to 58°14°)	51°11°	0%	12 mph19 km/h from SW, gusts 16 mph26 km/h	46%	0%	4
Sun 3p	Sunny	52°11° (likely 52°11° to 58°14°)	52°11°	0%	13 mph21 km/h from SW, gusts 16 mph25 km/h	44%	2%	3
Sun 4p	Sunny	54°12° (likely 53°12° to 57°14°)	54°12°	0%	15 mph24 km/h from SW, gusts 16 mph25 km/h	41%	40%	2
Sun 5p	Sunny	52°11° (likely 51°11° to 54°12°)	52°11°	0%	17 mph27 km/h from SW, gusts 15 mph23 km/h	46%	40%	1
Sun 6p	Clear	50°10° (likely 46°8° to 50°10°)	43°6°	0%	21 mph34 km/h from W, gusts 14 mph22 km/h	48%	44%	0
Sun 7p	Mostly clear	49°9° (likely 43°6° to 49°9°)	42°6°	0%	24 mph39 km/h from W, gusts 15 mph24 km/h	48%	66%	0
Sun 8p	Cloudy	47°8° (likely 41°5° to 48°9°)	38°3°	0%	28 mph45 km/h from W, gusts 18 mph29 km/h	49%	73%	0
Sun 9p	Cloudy	46°8° (likely 41°5° to 48°9°)	36°2°	0%	31 mph50 km/h from W, gusts 21 mph33 km/h	51%	58%	0
Sun 10p	Cloudy	46°8° (likely 41°5° to 48°9°)	36°2°	0%	31 mph50 km/h from W, gusts 24 mph38 km/h	51%	79%	0
Sun 11p	Cloudy	45°7° (likely 42°6° to 47°8°)	35°2°	0%	31 mph50 km/h from W, gusts 26 mph42 km/h	53%	80%	0
Mon 12a	Cloudy	44°7° (likely 41°5° to 47°8°)	34°1°	0%	32 mph51 km/h from W, gusts 26 mph41 km/h	55%	80%	0
Mon 1a	Cloudy	44°7° (likely 41°5° to 47°8°)	33°1°	0%	33 mph53 km/h from W, gusts 25 mph41 km/h	57%	93%	0
Mon 2a	Cloudy	44°7° (likely 42°6° to 47°8°)	33°1°	0%	33 mph53 km/h from W, gusts 28 mph45 km/h	60%	76%	0
Mon 3a	Cloudy	43°6° (likely 42°6° to 46°8°)	32°0°	0%	35 mph56 km/h from W, gusts 26 mph43 km/h	65%	65%	0
Mon 4a	Cloudy	43°6° (likely 43°6° to 47°8°)	32°0°	0%	37 mph60 km/h from W, gusts 27 mph43 km/h	70%	72%	0
Mon 5a	Cloudy	42°6° (likely 42°6° to 46°8°)	30°−1°	0%	37 mph60 km/h from W, gusts 28 mph45 km/h	76%	78%	0
Mon 6a	Cloudy	42°6° (likely 42°6° to 46°8°)	30°−1°	0%	38 mph61 km/h from W, gusts 26 mph42 km/h	82%	80%	0
Mon 7a	Partly sunny	41°5° (likely 41°5° to 46°8°)	29°−2°	0%	37 mph60 km/h from W, gusts 25 mph41 km/h	92%	71%	0
Mon 8a	Partly sunny	42°6° (likely 41°5° to 46°8°)	30°−1°	10%	35 mph56 km/h from W, gusts 25 mph40 km/h	96%	70%	0
Mon 9a	Partly sunny	43°6° (likely 42°6° to 47°8°)	34°1°	10%	23 mph37 km/h from W, gusts 26 mph42 km/h	96%	87%	1
Mon 10a	Cloudy	44°7° (likely 44°7° to 48°9°)	36°2°	10%	17 mph27 km/h from W, gusts 22 mph35 km/h	96%	88%	2

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Sunny. High 48°9°, low 31°−1°. Typical 54°12° / 36°2°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
2. Evening
  6 PM–midnight
  Clear, 39°4°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 33°1°
  Dry
Official NWS forecast
Today: Sunny, with a high near 48. West wind 1 to 5 mph.
Tonight: Clear, with a low around 31. West wind 8 to 13 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
48°9°–52°11°
Low, likely
27°−3°–31°−1°
Typical high / low
54°12° / 36°2°
Wind
10 mph15 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 54°12°, low 41°5°. Typical 54°12° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°6°
  Dry
Official NWS forecast
Day: Sunny, with a high near 54. West wind 12 to 17 mph.
Night: Partly cloudy, with a low around 41. West wind 21 to 37 mph, with gusts as high as 48 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–58°14°
Low, likely
30°−1°–41°5°
Typical high / low
54°12° / 36°2°
Wind
21 mph34 km/h, gusts 33 mph53 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 48°9°, low 24°−4°. Typical 53°12° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 25°−4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 48. West wind 15 to 38 mph, with gusts as high as 49 mph.
Night: Partly cloudy, with a low around 24. Northwest wind 9 to 17 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
48°9°–51°11°
Low, likely
24°−4°–34°1°
Typical high / low
53°12° / 35°2°
Wind
19 mph31 km/h, gusts 34 mph54 km/h
UV peak
3
Tuesday, Oct 27. Mostly sunny. High 35°2°, low 25°−4°. Typical 53°12° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 23°−5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 36°2°
  Dry
3. Evening
  6 PM–midnight
  Clear, 26°−3°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 23°−5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 35. Northwest wind 6 to 9 mph.
Night: Mostly clear, with a low around 25. West wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
34°1°–39°4°
Low, likely
21°−6°–26°−3°
Typical high / low
53°12° / 35°2°
Wind
8 mph13 km/h, gusts 22 mph35 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 43°6°, low 34°1°. Typical 52°11° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 25°−4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 35°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 43. Southeast wind around 5 mph.
Night: Partly cloudy, with a low around 34. South wind 3 to 13 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–50°10°
Low, likely
21°−6°–34°1°
Typical high / low
52°11° / 34°1°
Wind
9 mph14 km/h, gusts 17 mph28 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 52°11°, low 43°6°. Typical 52°11° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 2pm. Mostly sunny, with a high near 52. Southwest wind around 13 mph, with gusts as high as 24 mph.
Night: A slight chance of rain showers before 2am. Partly cloudy, with a low around 43. Southwest wind 15 to 22 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–61°16°
Low, likely
34°1°–43°6°
Typical high / low
52°11° / 34°1°
Wind
14 mph23 km/h, gusts 38 mph61 km/h
UV peak
3
Friday, Oct 30. Mostly cloudy. High 48°9°, low 36°2°. Typical 51°11° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 44°6°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 48. West wind 13 to 18 mph.
Night: A slight chance of rain showers after 2am. Mostly cloudy, with a low around 36. West wind 9 to 14 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–58°14°
Low, likely
33°1°–47°8°
Typical high / low
51°11° / 34°1°
Wind
14 mph22 km/h, gusts 36 mph58 km/h
Saturday, Oct 31. Partly sunny. High 54°12°, low 37°3°. Typical 51°11° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 39°4°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–63°17°
Low, likely
24°−4°–47°8°
Typical high / low
51°11° / 33°1°
Wind
8 mph13 km/h, gusts 15 mph23 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 59°15°, low 42°6°. Typical 51°11° / 33°1°. Rain 0.02 in0.5 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  20% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 58°14°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  40% chance
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  50% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–63°17°
Low, likely
28°−2°–52°11°
Typical high / low
51°11° / 33°1°
Wind
10 mph17 km/h, gusts 22 mph36 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 51°11°, low 40°4°. Typical 50°10° / 33°1°. Rain 0.11 in2.8 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  50% chance
2. Afternoon
  noon–6 PM
  Cloudy, 53°12°
  50% chance
3. Evening
  6 PM–midnight
  Cloudy, 38°3°
  50% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–58°14°
Low, likely
29°−2°–48°9°
Typical high / low
50°10° / 33°1°
Wind
11 mph17 km/h, gusts 21 mph34 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 48°, low 31°.
Tomorrow
Dry, high 54°, low 41°, warming up.
Monday
Dry, high 48°, low 24°, cooling off.
Rest of week
Mostly dry, highs 35–59°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (BTV) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Saranac River at Plattsburgh

20 mi

Below flood stage

Level: 3.9 ft
Flow: 858 cfs

Forecast peak 3.7 ft Sat 2 PM

Reading from Sat 10:30 AM · NWS gauge page

East Branch of the Ausable River at Au Sable Forks

21 mi

Below flood stage

Level: 1.3 ft
Flow: 93 cfs

Forecast peak 1.3 ft Sat 2 PM

Reading from Sat 10:15 AM · NWS gauge page

Salmon River at South Plattsburgh

19 mi

Level: 0.8 ft
Flow: 23 cfs

Reading from Sat 10:15 AM · NWS gauge page

Little Ausable River near Laphams Mills

20 mi

Level: 1.2 ft
Flow: 18 cfs

Reading from Sat 10:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 70% less heating than a typical week.

This week 44Typical 149

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 38
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 3 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Dannemora · official normals 1991–2020 · records 1906–2026

Oct 24, today vs a typical year

Today’s expected high is 6°3° colder than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Lyon Mountain weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 33 min; Losing 2 min 58 s a day; shortest Dec 21, 1 h 45 min less
Golden hour: 5:15–6:14 PM; Morning 7:04–8:03 AM
Blue hour: 6:14–6:25 PM; Morning 6:52–7:04 AM; first light 6:52 AM

Stars tonight? Fair

Clear 6:25 PM–6:54 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:30 AM · rises 4:53 PM
Full moon: Oct 26
New moon: Nov 9

Looking south from Lyon Mountain. The highest point on the skyline is about 3,800 ft, 1 mi away.Skyline from USGS elevation data. Sky, sun and moon as they are now.

Lyon Mountain, NY weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Saranac River at Plattsburgh

East Branch of the Ausable River at Au Sable Forks

Salmon River at South Plattsburgh

Little Ausable River near Laphams Mills

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon