Observed 10:25 PM MDT at KCTB

Big Sky Colony, MT weather

Overcast and 34°1°.

Mostly agree

Now 34°1°

Cloudy · Feels like 28°−2°

Feels like: 28°−2°; Wind chill from 7 mph11 km/h wind · air 34°1°
Wind: 7 mph11 km/h; From the east-northeast. 58–8 mph13 km/h through 10 AM
Dew point: 30°−1°; Dry · down to 22°−6° by 12 AM
UV tomorrow: 3Moderate; Moderate 1–4 PM · peak 3
Air quality: 23Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.25 inHg1024 hPa; Rising · +0.07 inHg+2.2 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Hard freeze until noon tomorrow (low 22°−6°)
Above 30°−1° tomorrow by 11 AM
High 39°4° tomorrow at 3 PM
Hard freeze tomorrow night 8 PM–noon (low 20°−7°)
Below 30°−1° tomorrow night after 9 PM

TonightDown to 24°−4° by 5 AM · freezing, low 24°−4° · Cloudy
Tomorrow morningUp to 32°0° by 11 AM · freezing, low 22°−6° · Cloudy
Tomorrow afternoonUp to 39°4° by 3 PM · Cloudy
Tomorrow nightDown to 22°−6° by 5 AM · freezing, low 22°−6° · Cloudy
Monday morningUp to 32°0° by 11 AM · freezing, low 20°−7° · Cloudy
Monday afternoonUp to 42°6° by 3 PM · Mostly cloudy
Monday nightDown to 31°−1° by 9 PM · freezing, low 31°−1° · 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 10p	Cloudy	30°−1° (likely 30°−1° to 33°1°)	23°−5°	0%	7 mph11 km/h from NE, gusts 8 mph14 km/h	78%	93%	0
Sat 11p	Cloudy	29°−2° (likely 29°−2° to 32°0°)	22°−6°	0%	7 mph11 km/h from NE, gusts 9 mph14 km/h	77%	92%	0
Sun 12a	Cloudy	28°−2° (likely 28°−2° to 32°0°)	20°−7°	5%	8 mph13 km/h from NE, gusts 10 mph17 km/h	79%	92%	0
Sun 1a	Cloudy	27°−3° (likely 27°−3° to 31°−1°)	20°−7°	5%	7 mph11 km/h from NE, gusts 12 mph20 km/h	82%	94%	0
Sun 2a	Cloudy	26°−3° (likely 26°−3° to 31°−1°)	18°−8°	5%	7 mph11 km/h from NNE, gusts 14 mph22 km/h	85%	96%	0
Sun 3a	Cloudy	26°−3° (likely 26°−3° to 31°−1°)	18°−8°	5%	7 mph11 km/h from NNE, gusts 14 mph23 km/h	85%	97%	0
Sun 4a	Mostly cloudy	25°−4° (likely 25°−4° to 30°−1°)	17°−8°	0%	7 mph11 km/h from NNE, gusts 11 mph18 km/h	85%	69%	0
Sun 5a	Cloudy	24°−4° (likely 24°−4° to 30°−1°)	16°−9°	0%	7 mph11 km/h from NNE, gusts 11 mph17 km/h	85%	90%	0
Sun 6a	Partly cloudy	24°−4° (likely 24°−4° to 29°−2°)	17°−8°	0%	6 mph10 km/h from NE, gusts 11 mph17 km/h	85%	74%	0
Sun 7a	Cloudy	23°−5° (likely 23°−5° to 29°−2°)	17°−8°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	85%	84%	0
Sun 8a	Cloudy	22°−6° (likely 22°−6° to 28°−2°)	16°−9°	0%	5 mph8 km/h from ENE, gusts 10 mph16 km/h	85%	89%	0
Sun 9a	Cloudy	24°−4° (likely 24°−4° to 28°−2°)	18°−8°	0%	5 mph8 km/h from ENE, gusts 10 mph16 km/h	82%	91%	0
Sun 10a	Cloudy	29°−2° (likely 28°−2° to 29°−2°)	24°−4°	0%	5 mph8 km/h from E, gusts 12 mph20 km/h	72%	93%	1
Sun 11a	Cloudy	32°0° (likely 30°−1° to 32°0°)	26°−3°	0%	7 mph11 km/h from E, gusts 15 mph24 km/h	61%	97%	1
Sun 12p	Cloudy	34°1° (likely 30°−1° to 34°1°)	27°−3°	0%	9 mph14 km/h from ESE, gusts 16 mph25 km/h	52%	94%	2
Sun 1p	Cloudy	36°2° (likely 32°0° to 36°2°)	29°−2°	0%	10 mph16 km/h from ESE, gusts 16 mph25 km/h	50%	88%	3
Sun 2p	Cloudy	38°3° (likely 32°0° to 38°3°)	31°−1°	0%	10 mph16 km/h from ESE, gusts 14 mph22 km/h	47%	90%	3
Sun 3p	Cloudy	39°4° (likely 33°1° to 39°4°)	32°0°	0%	10 mph16 km/h from ESE, gusts 13 mph21 km/h	46%	85%	3
Sun 4p	Cloudy	39°4° (likely 33°1° to 39°4°)	32°0°	0%	12 mph19 km/h from ESE, gusts 13 mph21 km/h	46%	83%	2
Sun 5p	Cloudy	39°4° (likely 33°1° to 39°4°)	32°0°	0%	10 mph16 km/h from ESE, gusts 13 mph21 km/h	49%	87%	1
Sun 6p	Cloudy	36°2° (likely 32°0° to 36°2°)	30°−1°	0%	8 mph13 km/h from ESE, gusts 13 mph21 km/h	57%	89%	0
Sun 7p	Cloudy	33°1° (likely 31°−1° to 33°1°)	26°−3°	0%	8 mph13 km/h from ESE, gusts 13 mph21 km/h	66%	91%	0
Sun 8p	Cloudy	32°0° (likely 30°−1° to 32°0°)	25°−4°	0%	8 mph13 km/h from ESE, gusts 13 mph21 km/h	70%	92%	0
Sun 9p	Cloudy	29°−2° (likely 29°−2° to 31°−1°)	23°−5°	0%	6 mph10 km/h from ESE, gusts 13 mph22 km/h	76%	94%	0
Sun 10p	Cloudy	28°−2° (likely 28°−2° to 31°−1°)	22°−6°	0%	6 mph10 km/h from ESE, gusts 14 mph23 km/h	80%	95%	0
Sun 11p	Cloudy	27°−3° (likely 27°−3° to 31°−1°)	20°−7°	0%	6 mph10 km/h from ESE, gusts 15 mph24 km/h	82%	94%	0
Mon 12a	Cloudy	26°−3° (likely 26°−3° to 31°−1°)	22°−6°	0%	3 mph5 km/h from ESE, gusts 14 mph22 km/h	85%	93%	0
Mon 1a	Cloudy	25°−4° (likely 25°−4° to 30°−1°)	21°−6°	0%	3 mph5 km/h from ESE, gusts 12 mph19 km/h	89%	94%	0
Mon 2a	Cloudy	24°−4° (likely 24°−4° to 29°−2°)	20°−7°	0%	3 mph5 km/h from ESE, gusts 9 mph14 km/h	92%	98%	0
Mon 3a	Cloudy	23°−5° (likely 23°−5° to 29°−2°)	23°−5°	0%	2 mph3 km/h from ESE, gusts 6 mph10 km/h	93%	99%	0
Mon 4a	Cloudy	23°−5° (likely 23°−5° to 29°−2°)	23°−5°	0%	2 mph3 km/h from ESE, gusts 7 mph11 km/h	93%	99%	0
Mon 5a	Cloudy	22°−6° (likely 22°−6° to 29°−2°)	22°−6°	0%	2 mph3 km/h from ESE, gusts 7 mph11 km/h	93%	98%	0
Mon 6a	Cloudy	20°−7° (likely 20°−7° to 29°−2°)	20°−7°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	92%	98%	0
Mon 7a	Cloudy	22°−6° (likely 22°−6° to 29°−2°)	22°−6°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	93%	99%	0
Mon 8a	Cloudy	23°−5° (likely 21°−6° to 29°−2°)	23°−5°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	93%	98%	0
Mon 9a	Cloudy	24°−4° (likely 22°−6° to 29°−2°)	18°−8°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	91%	99%	0
Mon 10a	Cloudy	27°−3° (likely 27°−3° to 30°−1°)	22°−6°	0%	5 mph8 km/h from SSE, gusts 13 mph22 km/h	82%	99%	1
Mon 11a	Cloudy	32°0° (likely 30°−1° to 32°0°)	27°−3°	0%	5 mph8 km/h from SSE, gusts 15 mph25 km/h	70%	98%	1
Mon 12p	Cloudy	36°2° (likely 31°−1° to 36°2°)	29°−2°	0%	9 mph14 km/h from SSE, gusts 15 mph24 km/h	59%	98%	2
Mon 1p	Cloudy	39°4° (likely 32°0° to 39°4°)	33°1°	0%	9 mph14 km/h from SSE, gusts 14 mph23 km/h	54%	64%	2
Mon 2p	Cloudy	41°5° (likely 33°1° to 41°5°)	35°2°	0%	9 mph14 km/h from SSE, gusts 15 mph24 km/h	52%	66%	3
Mon 3p	Cloudy	42°6° (likely 35°2° to 42°6°)	36°2°	0%	10 mph16 km/h from SSE, gusts 15 mph23 km/h	53%	66%	2
Mon 4p	Cloudy	42°6° (likely 36°2° to 42°6°)	36°2°	0%	10 mph16 km/h from SSE, gusts 15 mph24 km/h	55%	67%	1
Mon 5p	Cloudy	41°5° (likely 36°2° to 41°5°)	35°2°	0%	10 mph16 km/h from SSE, gusts 14 mph23 km/h	59%	91%	1
Mon 6p	Cloudy	39°4° (likely 35°2° to 39°4°)	34°1°	5%	7 mph11 km/h from SSE, gusts 13 mph21 km/h	65%	98%	0
Mon 7p	Cloudy	36°2° (likely 34°1° to 36°2°)	30°−1°	5%	7 mph11 km/h from SSE, gusts 10 mph16 km/h	72%	98%	0
Mon 8p	Cloudy	33°1° (likely 32°0° to 35°2°)	27°−3°	5%	7 mph11 km/h from SSE, gusts 9 mph15 km/h	79%	96%	0
Mon 9p	Cloudy	31°−1° (likely 31°−1° to 34°1°)	26°−3°	5%	5 mph8 km/h from S, gusts 8 mph13 km/h	85%	96%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Cloudy. High 39°4°, low 21°−6°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Cloudy, 29°−2°
  Dry
2. Overnight
  midnight–6 AM
  Cloudy, 24°−4°
  Dry
Official NWS forecast
Tonight: Mostly cloudy. Low around 21, with temperatures rising to around 24 overnight. Northeast wind around 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
36°2°–41°5°
Low, likely
21°−6°–29°−2°
Wind
10 mph15 km/h, gusts 18 mph29 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 39°4°, low 19°−7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 22°−6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 39°4°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 32°0°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 22°−6°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 39. East northeast wind 5 to 12 mph, with gusts as high as 20 mph.
Night: Cloudy. Low around 19, with temperatures rising to around 22 overnight. East southeast wind 2 to 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
33°1°–39°4°
Low, likely
19°−7°–28°−2°
Wind
13 mph20 km/h, gusts 19 mph30 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 42°6°, low 24°−4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 23°−5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 42°6°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 33°1°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 30°−1°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 42. Southeast wind 2 to 10 mph, with gusts as high as 20 mph.
Night: Mostly cloudy, with a low around 24. South wind 3 to 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
36°2°–42°6°
Low, likely
23°−5°–28°−2°
Wind
12 mph20 km/h, gusts 20 mph31 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 46°8°, low 24°−4°. Rain 0.03 in0.8 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  20% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Cloudy, 45°7°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 31°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after noon. Mostly cloudy, with a high near 46. West southwest wind 3 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Night: A slight chance of rain before 9pm, then a slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around 24. West northwest wind 7 to 12 mph, with gusts as high as 23 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
44°7°–48°9°
Low, likely
24°−4°–32°0°
Wind
18 mph29 km/h, gusts 31 mph50 km/h
UV peak
2
Wednesday, Oct 28. Mostly cloudy. High 40°4°, low 19°−7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 29°−2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Snow, 35°2°
  30% chance
4. Overnight
  midnight–6 AM
  Snow, 27°−3°
  50% chance · 0.3 in0.7 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 40. Northwest wind 5 to 9 mph.
Night: A chance of snow. Mostly cloudy, with a low around 19. Little or no snow accumulation expected.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
38°3°–47°8°
Low, likely
19°−7°–31°−1°
Wind
14 mph22 km/h, gusts 33 mph54 km/h
UV peak
3
Thursday, Oct 29. Snow. High 33°1°, low 18°−8°. Snow 0–2 in0–5 cm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Snow, 25°−4°
  40% chance · 0.3 in0.7 cm
2. Afternoon
  noon–6 PM
  Cloudy, 27°−3°
  30% chance · 0.1 in0.3 cm
3. Evening
  6 PM–midnight
  Cloudy, 24°−5°
  40% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Cloudy, 22°−5°
  40% chance · 0.1 in0.3 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow. Mostly cloudy, with a high near 33. New snow accumulation of less than half an inch possible.
Night: A chance of snow. Mostly cloudy, with a low around 18. New snow accumulation of less than half an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
29°−2°–33°1°
Low, likely
18°−8°–25°−4°
Wind
12 mph20 km/h, gusts 19 mph31 km/h
UV peak
2
Friday, Oct 30. Snow. High 37°3°, low 19°−7°. Snow 0–1 in0–3 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 22°−6°
  40% chance
2. Afternoon
  noon–6 PM
  Cloudy, 35°2°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 30°−1°
  20% chance
4. Overnight
  midnight–6 AM
  Clear, 26°−3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow before noon. Partly sunny, with a high near 37. New snow accumulation of less than half an inch possible.
Night: Mostly cloudy, with a low around 19.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
32°0°–39°4°
Low, likely
18°−8°–27°−3°
Wind
10 mph16 km/h, gusts 18 mph29 km/h
UV peak
3
Saturday, Oct 31. Partly sunny. High 40°4°, low 23°−5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 39°4°
  Dry
3. Evening
  6 PM–midnight
  Clear, 31°0°
  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 40.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
35°2°–43°6°
Low, likely
15°−9°–30°−1°
Wind
15 mph24 km/h, gusts 23 mph37 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 40°4°, low 28°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 40°5°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 35°2°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 34°1°
  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
33°1°–46°8°
Low, likely
24°−4°–32°0°
Wind
21 mph33 km/h, gusts 37 mph59 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 42°6°, low 30°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 42°5°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 35°2°
  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
35°2°–46°8°
Low, likely
22°−6°–35°2°
Wind
29 mph46 km/h, gusts 51 mph81 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 39°, low 21°.
Tomorrow
Dry, high 39°, low 19°.
Monday
Dry, high 42°, low 24°, warming up.
Rest of week
Mostly dry, highs 33–46°.

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

Milk River near Del Bonita nr Cut Bank

15 mi

Level: 2.4 ft
Flow: 25 cfs

Reading from Sat 9:10 PM · NWS gauge page

North Fork Milk River near International boundary near Browning

16 mi

Level: 1.1 ft

Reading from Sat 10 PM · NWS gauge page

North Fork Milk River above St Mary Canal near Browning

16 mi

Level: 1.8 ft
Flow: 15 cfs

Reading from Sat 9:15 PM · NWS gauge page

Cut Bank Creek at Cut Bank

24 mi

Level: 1.9 ft
Flow: 117 cfs

Reading from Sat 9:30 PM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 18 min; Losing 3 min 22 s a day; shortest Dec 21, 2 h 4 min less
Golden hour: 5:39–6:44 PM; Morning 7:45–8:50 AM
Blue hour: 6:44–6:56 PM; Morning 7:33–7:45 AM; first light 7:33 AM

Stars tonight? Poor

Clouds most of the night (about 88% cover).

Moon

Waxing gibbous

99% lit · growing

Today: sets 6:18 AM · rises 5:25 PM
Full moon: Oct 25
New moon: Nov 9

Looking southwest from Big Sky Colony. The highest point on the skyline is about 9,800 ft, 44 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.