Observed 11:40 AM MDT at KJAC

Alpine Northeast, WY weather

Overcast and 41°5°.

Forecasts agree

Now 41°5°

Cloudy · Feels like 37°3°

Wind: 6 mph9 km/h; From the north. Up to 8 mph13 km/h through 12 AM
Dew point: 34°1°; Dry, static shocks likely
UV index: 3Moderate; Moderate until 3 PM
Air quality: 18Good; Main pollutant: Ozone
Pressure: 30.28 inHg1025 hPa; Falling · −0.08 inHg−2.6 hPa in 3 h

Light snow now, through the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 46°8° today at 3 PM
Below 40°4° tonight after 8 PM
Below freezing tonight 2–10 AM (low 29°−2°)
Low 29°−2° tomorrow at 7 AM
Above 40°4° tomorrow by noon

This afternoonUp to 46°8° by 3 PM · Partly cloudy
TonightDown to 30°−1° by 4 AM · freezing, low 30°−1° · Clear
Tomorrow morningUp to 39°4° by 11 AM · freezing, low 29°−2° · Clear
Tomorrow afternoonUp to 49°9° by 3 PM · Partly cloudy
Tomorrow nightDown to 34°1° by 4 AM · Partly cloudy
Monday morningUp to 40°4° by 11 AM · 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 12p	Sunny	41°5° (likely 41°5° to 45°7°)	39°4°	0%	3 mph5 km/h from E, gusts 9 mph15 km/h	74%	26%	3
Sat 1p	Partly sunny	43°6° (likely 43°6° to 47°8°)	41°5°	0%	3 mph5 km/h from E, gusts 8 mph13 km/h	68%	35%	3
Sat 2p	Partly sunny	45°7° (likely 45°7° to 49°9°)	44°7°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	60%	44%	3
Sat 3p	Mostly sunny	46°8° (likely 46°8° to 50°10°)	46°8°	0%	2 mph3 km/h from SSE, gusts 6 mph10 km/h	54%	42%	2
Sat 4p	Sunny	46°8° (likely 46°8° to 50°10°)	46°8°	0%	2 mph3 km/h from SW, gusts 5 mph8 km/h	50%	32%	1
Sat 5p	Mostly sunny	46°8° (likely 46°8° to 49°9°)	46°8°	0%	2 mph3 km/h from N, gusts 4 mph6 km/h	50%	13%	1
Sat 6p	Clear	42°6° (likely 42°6° to 47°8°)	40°4°	0%	3 mph5 km/h from NNE, gusts 4 mph6 km/h	61%	2%	1
Sat 7p	Clear	40°4° (likely 40°4° to 44°7°)	36°2°	0%	6 mph10 km/h from NE, gusts 6 mph10 km/h	67%	2%	0
Sat 8p	Clear	37°3° (likely 37°3° to 42°6°)	32°0°	0%	7 mph11 km/h from ENE, gusts 7 mph12 km/h	71%	3%	0
Sat 9p	Clear	36°2° (likely 36°2° to 41°5°)	30°−1°	0%	8 mph13 km/h from ENE, gusts 8 mph12 km/h	72%	1%	0
Sat 10p	Clear	35°2° (likely 35°2° to 40°4°)	28°−2°	0%	8 mph13 km/h from ENE, gusts 9 mph15 km/h	75%	1%	0
Sat 11p	Clear	35°2° (likely 35°2° to 40°4°)	29°−2°	0%	7 mph11 km/h from ENE, gusts 8 mph13 km/h	71%	2%	0
Sun 12a	Clear	34°1° (likely 33°1° to 40°4°)	28°−2°	0%	7 mph11 km/h from ENE, gusts 7 mph11 km/h	73%	3%	0
Sun 1a	Clear	33°1° (likely 33°1° to 40°4°)	27°−3°	0%	7 mph11 km/h from ENE, gusts 7 mph11 km/h	76%	3%	0
Sun 2a	Clear	32°0° (likely 32°0° to 40°4°)	26°−3°	0%	6 mph10 km/h from ENE, gusts 5 mph8 km/h	75%	3%	0
Sun 3a	Clear	32°0° (likely 32°0° to 38°3°)	26°−3°	0%	7 mph11 km/h from ENE, gusts 4 mph6 km/h	74%	3%	0
Sun 4a	Clear	30°−1° (likely 30°−1° to 38°3°)	24°−4°	0%	6 mph10 km/h from ENE, gusts 7 mph12 km/h	73%	8%	0
Sun 5a	Clear	30°−1° (likely 30°−1° to 39°4°)	24°−4°	0%	6 mph10 km/h from ENE, gusts 6 mph9 km/h	73%	6%	0
Sun 6a	Clear	30°−1° (likely 30°−1° to 39°4°)	25°−4°	0%	5 mph8 km/h from NE, gusts 5 mph8 km/h	74%	16%	0
Sun 7a	Clear	29°−2° (likely 29°−2° to 38°3°)	23°−5°	0%	6 mph10 km/h from ENE, gusts 6 mph10 km/h	77%	21%	0
Sun 8a	Sunny	30°−1° (likely 30°−1° to 38°3°)	24°−4°	0%	6 mph10 km/h from ENE, gusts 6 mph10 km/h	77%	24%	0
Sun 9a	Sunny	32°0° (likely 32°0° to 40°4°)	26°−3°	0%	6 mph10 km/h from E, gusts 8 mph13 km/h	71%	23%	0
Sun 10a	Sunny	37°3° (likely 37°3° to 44°7°)	33°1°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	67%	24%	1
Sun 11a	Mostly sunny	39°4° (likely 39°4° to 46°8°)	37°3°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	66%	32%	2
Sun 12p	Cloudy	42°6° (likely 42°6° to 49°9°)	39°4°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	61%	59%	3
Sun 1p	Partly sunny	46°8° (likely 46°8° to 51°11°)	45°7°	5%	3 mph5 km/h from SSW, gusts 6 mph9 km/h	57%	55%	4
Sun 2p	Mostly sunny	47°8° (likely 47°8° to 53°12°)	46°8°	5%	3 mph5 km/h from SSW, gusts 6 mph10 km/h	52%	38%	4
Sun 3p	Sunny	49°9° (likely 49°9° to 54°12°)	48°9°	5%	3 mph5 km/h from SW, gusts 5 mph9 km/h	49%	31%	4
Sun 4p	Partly sunny	49°9° (likely 49°9° to 53°12°)	48°9°	5%	3 mph5 km/h from SW, gusts 6 mph10 km/h	47%	41%	2
Sun 5p	Partly sunny	48°9° (likely 48°9° to 52°11°)	46°8°	5%	5 mph8 km/h from W, gusts 7 mph12 km/h	49%	46%	1
Sun 6p	Partly cloudy	44°7° (likely 44°7° to 49°9°)	42°6°	5%	3 mph5 km/h from W, gusts 8 mph12 km/h	61%	51%	0
Sun 7p	Mostly cloudy	43°6° (likely 43°6° to 46°8°)	41°5°	0%	3 mph5 km/h from N, gusts 7 mph11 km/h	68%	55%	0
Sun 8p	Partly cloudy	40°4° (likely 40°4° to 45°7°)	38°3°	0%	3 mph5 km/h from NE, gusts 6 mph9 km/h	70%	82%	0
Sun 9p	Mostly clear	39°4° (likely 39°4° to 43°6°)	37°3°	0%	3 mph5 km/h from ESE, gusts 5 mph8 km/h	72%	64%	0
Sun 10p	Mostly clear	38°3° (likely 37°3° to 42°6°)	36°2°	0%	3 mph5 km/h from ESE, gusts 5 mph8 km/h	76%	41%	0
Sun 11p	Clear	38°3° (likely 36°2° to 42°6°)	34°1°	0%	5 mph8 km/h from ESE, gusts 7 mph11 km/h	73%	28%	0
Mon 12a	Mostly clear	37°3° (likely 36°2° to 42°6°)	33°1°	0%	5 mph8 km/h from ESE, gusts 7 mph11 km/h	74%	34%	0
Mon 1a	Mostly clear	37°3° (likely 37°3° to 42°6°)	33°1°	5%	5 mph8 km/h from ESE, gusts 7 mph11 km/h	77%	36%	0
Mon 2a	Cloudy	36°2° (likely 36°2° to 41°5°)	32°0°	5%	5 mph8 km/h from ESE, gusts 6 mph10 km/h	77%	67%	0
Mon 3a	Partly cloudy	35°2° (likely 35°2° to 40°4°)	31°−1°	0%	5 mph8 km/h from ESE, gusts 6 mph9 km/h	76%	69%	0
Mon 4a	Cloudy	34°1° (likely 34°1° to 40°4°)	31°−1°	0%	3 mph5 km/h from E, gusts 5 mph8 km/h	77%	74%	0
Mon 5a	Mostly cloudy	34°1° (likely 34°1° to 39°4°)	31°−1°	0%	3 mph5 km/h from ESE, gusts 4 mph6 km/h	78%	75%	0
Mon 6a	Partly cloudy	33°1° (likely 33°1° to 39°4°)	30°−1°	0%	3 mph5 km/h from ESE, gusts 4 mph6 km/h	79%	70%	0
Mon 7a	Mostly cloudy	33°1° (likely 29°−2° to 38°3°)	30°−1°	0%	3 mph5 km/h from ESE, gusts 4 mph6 km/h	83%	73%	0
Mon 8a	Mostly cloudy	33°1° (likely 28°−2° to 38°3°)	29°−2°	0%	5 mph8 km/h from ESE, gusts 4 mph6 km/h	82%	63%	0
Mon 9a	Partly sunny	34°1° (likely 29°−2° to 39°4°)	30°−1°	0%	5 mph8 km/h from ESE, gusts 4 mph7 km/h	79%	63%	0
Mon 10a	Partly sunny	37°3° (likely 34°1° to 44°7°)	34°1°	0%	3 mph5 km/h from SE, gusts 6 mph9 km/h	76%	52%	1
Mon 11a	Partly sunny	40°4° (likely 39°4° to 48°9°)	40°4°	0%	3 mph5 km/h from SSE, gusts 7 mph10 km/h	73%	48%	3

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Mostly sunny. High 46°8°, low 28°−2°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Mostly sunny, 46°8°
  Dry
2. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 30°−1°
  Dry
Official NWS forecast
Today: Sunny, with a high near 46. East southeast wind around 3 mph.
Tonight: Mostly clear, with a low around 28. Northeast wind 3 to 8 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
46°8°–50°10°
Low, likely
28°−2°–35°2°
Wind
9 mph15 km/h
UV peak
4
Tomorrow, Oct 25. Partly sunny. High 49°9°, low 32°0°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 49°9°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 40°4°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 34°1°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 49. South southeast wind around 6 mph.
Night: Partly cloudy, with a low around 32. East wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–54°12°
Low, likely
30°−1°–38°3°
Wind
9 mph15 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 49°9°, low 29°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 42°5°
  40% chance · 0.2 in0.5 cm
4. Overnight
  midnight–6 AM
  Snow, 33°0°
  70% chance · 0.6 in1.5 cm
Official NWS forecast
Day: Mostly sunny, with a high near 49. South southeast wind 2 to 6 mph.
Night: A chance of rain showers before 9pm, then rain and snow showers. Mostly cloudy, with a low around 29. South southeast wind 3 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–54°12°
Low, likely
29°−2°–35°2°
Wind
9 mph15 km/h, gusts 26 mph42 km/h
UV peak
4
Tuesday, Oct 27. Snow. High 36°2°, low 25°−4°. Snow 0–3 in0–8 cm, 60% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Snow, 32°0°
  70% chance · 0.2 in0.6 cm
2. Afternoon
  noon–6 PM
  Snow, 38°3°
  70% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 34°1°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Cloudy, 28°−2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Snow showers likely. Mostly cloudy, with a high near 36. Southwest wind 8 to 13 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Night: A slight chance of snow showers before midnight. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
36°2°–40°4°
Low, likely
25°−4°–32°0°
Wind
12 mph20 km/h, gusts 30 mph47 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 45°7°, low 29°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 44°7°
  Dry
3. Evening
  6 PM–midnight
  Clear, 34°1°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 30°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 45.
Night: Partly cloudy, with a low around 29.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
41°5°–46°8°
Low, likely
24°−4°–32°0°
Wind
8 mph13 km/h, gusts 23 mph37 km/h
UV peak
4
Thursday, Oct 29. Snow. High 46°8°, low 33°1°. Snow 0.04 in1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 40°4°
  30% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Rain, 35°2°
  40% chance · 0.07 in1.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of snow showers before noon, then a slight chance of rain and snow showers. Partly sunny, with a high near 46.
Night: A chance of rain and snow showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 33.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
45°7°–51°11°
Low, likely
27°−3°–33°1°
Wind
9 mph14 km/h, gusts 27 mph44 km/h
UV peak
3
Friday, Oct 30. Snow. High 44°7°, low 31°−1°. Snow 0–2 in0–5 cm, 70% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Snow, 35°2°
  40% chance · 0.2 in0.5 cm
2. Afternoon
  noon–6 PM
  Snow, 42°6°
  60% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 36°2°
  60% chance · 0.07 in1.7 mm
4. Overnight
  midnight–6 AM
  Snow, 33°1°
  50% chance · 0.1 in0.3 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain and snow showers likely. Mostly cloudy, with a high near 44.
Night: Rain and snow showers likely. Mostly cloudy, with a low around 31. New snow accumulation of less than half an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
39°4°–45°7°
Low, likely
30°−1°–34°1°
Wind
10 mph15 km/h, gusts 21 mph33 km/h
UV peak
2
Saturday, Oct 31. Snow. High 37°3°, low 24°−4°. Snow 0–1 in0–3 cm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Snow, 32°0°
  50% chance · 0.1 in0.3 cm
2. Afternoon
  noon–6 PM
  Snow, 35°2°
  50% chance · 0.2 in0.5 cm
3. Evening
  6 PM–midnight
  Clear, 27°−3°
  40% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Mostly clear, 23°−5°
  30% 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
33°1°–41°5°
Low, likely
17°−8°–34°1°
Wind
5 mph9 km/h, gusts 21 mph33 km/h
UV peak
3
Sunday, Nov 1. Mostly sunny. High 37°3°, low 22°−6°. Rain 0.03 in0.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 25°−4°
  30% chance
2. Afternoon
  noon–6 PM
  Sunny, 37°3°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 29°−2°
  30% chance
4. Overnight
  midnight–6 AM
  Clear, 23°−5°
  20% chance · 0.3 in0.8 cm
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
32°0°–42°6°
Low, likely
14°−10°–34°1°
Wind
5 mph9 km/h, gusts 13 mph22 km/h
UV peak
4
Monday, Nov 2. Rain. High 39°4°, low 22°−6°. Rain 0.22 in5.6 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 26°−4°
  30% chance · 0.4 in1.1 cm
2. Afternoon
  noon–6 PM
  Drizzle, 37°3°
  30% chance · 0.4 in0.9 cm
3. Evening
  6 PM–midnight
  Rain, 32°0°
  20% chance · 0.1 in0.3 cm
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
34°1°–43°6°
Low, likely
15°−9°–27°−3°
Wind
6 mph9 km/h, gusts 21 mph34 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 46°, low 28°.
Tomorrow
Dry, high 49°, low 32°, warming up.
Monday
Dry, high 49°, low 29°.
Rest of week
Highs 36–46°; chance of precipitation on Tuesday, Friday, Saturday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (RIW) (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

Salt River (WY) near Etna

8.0 mi

Below flood stage

Level: 1.9 ft
Flow: 471 cfs

Forecast peak 1.9 ft Sat 12 PM

Reading from Sat 10:30 AM · NWS gauge page

Eastern Idaho Reservoirs at Palisades

14 mi

Below flood stage

Level: 5517 ft

Forecast peak 5521 ft Tue 5 AM

Reading from Sat 10:30 AM · NWS gauge page

Snake River near Irwin

15 mi

Below flood stage

Level: 4.8 ft
Flow: 1,400 cfs

Forecast peak 4.8 ft Sat 12 PM

Reading from Sat 10:30 AM · NWS gauge page

Snake River near Jackson

18 mi

Below flood stage

Level: 1.3 ft
Flow: 1,560 cfs

Forecast peak 1.3 ft Sat 12 PM

Reading from Sat 10:30 AM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 38 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 39 min less
Golden hour: 5:47–6:44 PM; Morning 7:31–8:28 AM
Blue hour: 6:44–6:55 PM; Morning 7:19–7:31 AM; first light 7:19 AM

Stars tonight? Fair

Clear 6:55 PM–7:21 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:05 AM · rises 5:26 PM
Full moon: Oct 25
New moon: Nov 9

Looking northeast from Alpine Northeast. The highest point on the skyline is about 9,400 ft, 2 mi away.Skyline from USGS elevation data. Sky, sun and moon as they are now.

Alpine Northeast, WY weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Salt River (WY) near Etna

Eastern Idaho Reservoirs at Palisades

Snake River near Irwin

Snake River near Jackson

Sun & moon

Sun

Stars tonight? Fair

Moon