Observed 3:55 AM MDT at KBIL

Acton, MT weather

Mostly clear and 34°1°.

Forecasts agree

Now 34°1°

Mostly clear · Feels like 29°−2°

Feels like: 29°−2°; Wind chill from 6 mph9 km/h wind · air 34°1°
Wind: 6 mph9 km/h; From the west. 58–10 mph16 km/h through 4 PM
Dew point: 25°−4°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 12–4 PM · peak 4
Air quality: 19Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.33 inHg1027 hPa; Rising · +0.06 inHg+2.0 hPa in 3 h

Light snow now, through the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below freezing today 5–10 AM (low 29°−2°)
Above 40°4° today by noon
High 48°9° today at 4 PM
Below 40°4° tonight after 8 PM
Hard freeze tonight 2–10 AM (low 27°−3°)

TonightNear 33°1° · freezing, low 31°−1° · Clear
This morningUp to 39°4° by 11 AM · freezing, low 29°−2° · Clear
This afternoonUp to 48°9° by 4 PM · Clear
TonightDown to 29°−2° by 5 AM · freezing, low 29°−2° · Clear
Tomorrow morningUp to 37°3° by 11 AM · freezing, low 27°−3° · Clear
Tomorrow afternoonUp to 45°7° by 4 PM · Clear
Tomorrow nightDown to 33°1° by 2 AM · rain chance 10% · Partly 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 4a	Clear	34°1° (likely 31°−1° to 35°2°)	25°−4°	0%	13 mph21 km/h from WNW, gusts 11 mph19 km/h	77%	26%	0
Sat 5a	Clear	31°−1° (likely 31°−1° to 34°1°)	23°−5°	0%	10 mph16 km/h from W, gusts 10 mph17 km/h	79%	4%	0
Sat 6a	Clear	30°−1° (likely 30°−1° to 32°0°)	23°−5°	0%	8 mph13 km/h from W, gusts 8 mph13 km/h	80%	0%	0
Sat 7a	Clear	30°−1° (likely 29°−2° to 31°−1°)	23°−5°	0%	7 mph11 km/h from W, gusts 7 mph11 km/h	80%	0%	0
Sat 8a	Sunny	29°−2° (likely 28°−2° to 32°0°)	24°−4°	0%	5 mph8 km/h from W, gusts 6 mph9 km/h	84%	0%	0
Sat 9a	Sunny	31°−1° (likely 30°−1° to 33°1°)	26°−3°	0%	5 mph8 km/h from WSW, gusts 7 mph11 km/h	85%	0%	0
Sat 10a	Sunny	36°2° (likely 35°2° to 37°3°)	32°0°	0%	5 mph8 km/h from SW, gusts 7 mph11 km/h	72%	0%	1
Sat 11a	Sunny	39°4° (likely 39°4° to 41°5°)	35°2°	0%	6 mph10 km/h from S, gusts 7 mph11 km/h	63%	0%	1
Sat 12p	Sunny	42°6° (likely 42°6° to 44°7°)	38°3°	0%	7 mph11 km/h from S, gusts 9 mph14 km/h	51%	0%	2
Sat 1p	Sunny	45°7° (likely 44°7° to 46°8°)	40°4°	0%	8 mph13 km/h from S, gusts 10 mph16 km/h	44%	0%	2
Sat 2p	Sunny	46°8° (likely 45°7° to 48°9°)	42°6°	0%	8 mph13 km/h from SSE, gusts 11 mph18 km/h	39%	0%	2
Sat 3p	Sunny	47°8° (likely 46°8° to 49°9°)	43°6°	0%	9 mph14 km/h from SSE, gusts 11 mph18 km/h	35%	0%	1
Sat 4p	Sunny	48°9° (likely 47°8° to 49°9°)	44°7°	0%	8 mph13 km/h from SE, gusts 12 mph20 km/h	37%	0%	1
Sat 5p	Sunny	46°8° (likely 46°8° to 49°9°)	42°6°	0%	8 mph13 km/h from ESE, gusts 12 mph19 km/h	41%	0%	0
Sat 6p	Clear	44°7° (likely 43°6° to 46°8°)	40°4°	0%	7 mph11 km/h from ESE, gusts 12 mph19 km/h	48%	0%	0
Sat 7p	Clear	42°6° (likely 39°4° to 43°6°)	38°3°	0%	6 mph10 km/h from E, gusts 9 mph15 km/h	53%	0%	0
Sat 8p	Clear	38°3° (likely 38°3° to 41°5°)	34°1°	0%	6 mph10 km/h from E, gusts 10 mph16 km/h	52%	0%	0
Sat 9p	Clear	37°3° (likely 37°3° to 39°4°)	33°1°	0%	5 mph8 km/h from ENE, gusts 9 mph14 km/h	52%	0%	0
Sat 10p	Clear	36°2° (likely 35°2° to 38°3°)	32°0°	0%	5 mph8 km/h from ENE, gusts 8 mph14 km/h	55%	0%	0
Sat 11p	Clear	35°2° (likely 33°1° to 37°3°)	31°−1°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	56%	0%	0
Sun 12a	Clear	34°1° (likely 32°0° to 36°2°)	30°−1°	0%	5 mph8 km/h from NE, gusts 5 mph9 km/h	57%	0%	0
Sun 1a	Clear	33°1° (likely 31°−1° to 36°2°)	29°−2°	0%	5 mph8 km/h from NNE, gusts 5 mph8 km/h	58%	0%	0
Sun 2a	Clear	32°0° (likely 30°−1° to 35°2°)	27°−3°	0%	5 mph8 km/h from N, gusts 4 mph7 km/h	61%	0%	0
Sun 3a	Clear	31°−1° (likely 28°−2° to 35°2°)	26°−3°	0%	5 mph8 km/h from NNW, gusts 5 mph7 km/h	63%	0%	0
Sun 4a	Clear	30°−1° (likely 27°−3° to 34°1°)	25°−4°	0%	5 mph8 km/h from NNW, gusts 5 mph8 km/h	66%	0%	0
Sun 5a	Clear	29°−2° (likely 26°−3° to 33°1°)	23°−5°	0%	6 mph10 km/h from NNW, gusts 5 mph9 km/h	68%	0%	0
Sun 6a	Clear	29°−2° (likely 26°−3° to 32°0°)	23°−5°	0%	6 mph10 km/h from NNW, gusts 7 mph10 km/h	71%	0%	0
Sun 7a	Clear	28°−2° (likely 26°−3° to 31°−1°)	22°−6°	0%	6 mph10 km/h from NNW, gusts 6 mph10 km/h	73%	0%	0
Sun 8a	Sunny	27°−3° (likely 26°−3° to 31°−1°)	20°−7°	0%	6 mph10 km/h from NNW, gusts 7 mph12 km/h	76%	0%	0
Sun 9a	Sunny	29°−2° (likely 28°−2° to 33°1°)	22°−6°	0%	7 mph11 km/h from N, gusts 8 mph12 km/h	76%	0%	0
Sun 10a	Sunny	34°1° (likely 33°1° to 37°3°)	28°−2°	0%	7 mph11 km/h from N, gusts 7 mph11 km/h	67%	0%	1
Sun 11a	Sunny	37°3° (likely 37°3° to 42°6°)	32°0°	0%	7 mph11 km/h from N, gusts 9 mph14 km/h	60%	0%	2
Sun 12p	Sunny	40°4° (likely 40°4° to 45°7°)	34°1°	0%	9 mph14 km/h from NE, gusts 10 mph16 km/h	52%	0%	3
Sun 1p	Sunny	43°6° (likely 42°6° to 48°9°)	38°3°	0%	9 mph14 km/h from NE, gusts 12 mph19 km/h	50%	0%	4
Sun 2p	Sunny	44°7° (likely 43°6° to 49°9°)	39°4°	0%	9 mph14 km/h from NE, gusts 13 mph22 km/h	48%	0%	4
Sun 3p	Sunny	44°7° (likely 44°7° to 49°9°)	39°4°	0%	10 mph16 km/h from ENE, gusts 15 mph24 km/h	46%	0%	3
Sun 4p	Sunny	45°7° (likely 44°7° to 50°10°)	39°4°	0%	10 mph16 km/h from ENE, gusts 16 mph26 km/h	48%	20%	2
Sun 5p	Sunny	44°7° (likely 43°6° to 49°9°)	39°4°	0%	10 mph16 km/h from ENE, gusts 18 mph28 km/h	50%	21%	1
Sun 6p	Clear	42°6° (likely 41°5° to 45°7°)	37°3°	0%	7 mph11 km/h from NE, gusts 11 mph18 km/h	57%	22%	0
Sun 7p	Clear	39°4° (likely 39°4° to 42°6°)	34°1°	0%	7 mph11 km/h from NE, gusts 8 mph12 km/h	62%	23%	0
Sun 8p	Clear	37°3° (likely 37°3° to 41°5°)	32°0°	0%	7 mph11 km/h from NE, gusts 13 mph20 km/h	63%	26%	0
Sun 9p	Clear	37°3° (likely 36°2° to 40°4°)	32°0°	0%	7 mph11 km/h from NNE, gusts 13 mph21 km/h	65%	23%	0
Sun 10p	Clear	36°2° (likely 35°2° to 39°4°)	30°−1°	0%	7 mph11 km/h from NNE, gusts 11 mph18 km/h	73%	26%	0
Sun 11p	Clear	35°2° (likely 35°2° to 38°3°)	29°−2°	0%	7 mph11 km/h from NNE, gusts 10 mph16 km/h	77%	22%	0
Mon 12a	Clear	35°2° (likely 35°2° to 37°3°)	30°−1°	10%	6 mph10 km/h from NE, gusts 9 mph14 km/h	81%	23%	0
Mon 1a	Mostly clear	34°1° (likely 34°1° to 37°3°)	29°−2°	10%	6 mph10 km/h from NE, gusts 6 mph9 km/h	84%	31%	0
Mon 2a	Mostly clear	33°1° (likely 33°1° to 36°2°)	28°−2°	10%	6 mph10 km/h from NE, gusts 6 mph10 km/h	87%	44%	0
Mon 3a	Partly cloudy	33°1° (likely 33°1° to 36°2°)	28°−2°	10%	5 mph8 km/h from NNE, gusts 6 mph9 km/h	90%	44%	0

Days ahead

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

Today, Oct 24. Mostly sunny. High 48°9°, low 29°−2°. Typical 55°13° / 34°1°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 29°−2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 29°−2°
  Dry
Official NWS forecast
Today: Sunny. High near 48, with temperatures falling to around 46 in the afternoon. South southwest wind 5 to 9 mph.
Tonight: Mostly cloudy. Low around 29, with temperatures rising to around 31 overnight. West northwest wind around 13 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
47°8°–49°9°
Low, likely
28°−2°–31°−1°
Typical high / low
55°13° / 34°1°
Wind
19 mph30 km/h, gusts 33 mph53 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 45°7°, low 31°−1°. Typical 54°12° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 33°0°
  Dry
Official NWS forecast
Day: Sunny, with a high near 45. North northeast wind 6 to 10 mph.
Night: Partly cloudy, with a low around 31. Northeast wind around 7 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
44°7°–50°10°
Low, likely
26°−3°–31°−1°
Typical high / low
54°12° / 33°1°
Wind
12 mph20 km/h, gusts 21 mph34 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 47°8°, low 31°−1°. Typical 54°12° / 33°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 31°0°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 33°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny. High near 47, with temperatures falling to around 45 in the afternoon. Northeast wind 3 to 8 mph.
Night: Partly cloudy, with a low around 31. Northeast wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
46°8°–51°11°
Low, likely
29°−2°–33°1°
Typical high / low
54°12° / 33°1°
Wind
11 mph17 km/h, gusts 18 mph29 km/h
UV peak
4
Tuesday, Oct 27. Showers. High 50°10°, low 34°1°. Typical 54°12° / 33°1°. Rain 0.17 in4.3 mm, 40% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  30% chance · 0.12 in3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  30% chance · 0.04 in0.9 mm
3. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly cloudy. High near 50, with temperatures falling to around 48 in the afternoon. West wind 5 to 15 mph. Chance of precipitation is 40%.
Night: A chance of rain showers. Mostly cloudy, with a low around 34. West northwest wind around 10 mph. Chance of precipitation is 40%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
50°10°–53°12°
Low, likely
31°−1°–35°2°
Typical high / low
54°12° / 33°1°
Wind
19 mph31 km/h, gusts 36 mph58 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 51°11°, low 29°−2°. Typical 53°12° / 32°0°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny. High near 51, with temperatures falling to around 48 in the afternoon. West northwest wind 8 to 12 mph.
Night: Partly cloudy, with a low around 29. Northeast wind around 7 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
51°11°–55°13°
Low, likely
28°−2°–38°3°
Typical high / low
53°12° / 32°0°
Wind
15 mph24 km/h, gusts 40 mph64 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 46°8°, low 30°−1°. Typical 53°12° / 32°0°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 33°0°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 47°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny. High near 46, with temperatures falling to around 43 in the afternoon. Northeast wind around 7 mph.
Night: Mostly cloudy, with a low around 30. North northeast wind around 6 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–53°12°
Low, likely
28°−2°–36°2°
Typical high / low
53°12° / 32°0°
Wind
10 mph16 km/h, gusts 19 mph30 km/h
UV peak
3
Friday, Oct 30. Mostly cloudy. High 48°9°, low 35°2°. Typical 52°11° / 32°0°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 44°6°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 40°4°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 36°2°
  20% chance · 0.4 in0.9 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny. High near 48, with temperatures falling to around 45 in the afternoon. North northwest wind around 6 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
40°4°–49°9°
Low, likely
31°−1°–39°4°
Typical high / low
52°11° / 32°0°
Wind
9 mph14 km/h, gusts 19 mph30 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 44°7°, low 34°1°. Typical 52°11° / 31°−1°. Rain 0.1 in2.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  20% chance · 0.1 in0.3 cm
2. Afternoon
  noon–6 PM
  Sunny, 44°7°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 36°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
36°2°–58°14°
Low, likely
27°−3°–42°6°
Typical high / low
52°11° / 31°−1°
Wind
9 mph15 km/h, gusts 18 mph29 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 45°7°, low 31°−1°. Typical 52°11° / 31°−1°. Rain 0.02 in0.5 mm, 10% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 44°6°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 36°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 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
41°5°–48°9°
Low, likely
24°−4°–35°2°
Typical high / low
52°11° / 31°−1°
Wind
22 mph35 km/h, gusts 37 mph59 km/h
UV peak
3
Monday, Nov 2. Sunny. High 45°7°, low 33°1°. Typical 51°11° / 31°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 47°8°
  Dry
3. Evening
  6 PM–midnight
  Clear, 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°–51°11°
Low, likely
31°−1°–35°2°
Typical high / low
51°11° / 31°−1°
Wind
12 mph19 km/h, gusts 19 mph31 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 48°, low 29°.
Tomorrow
Dry, high 45°, low 31°, cooling off.
Monday
Dry, high 47°, low 31°.
Rest of week
Highs 44–51°; chance of precipitation on Tuesday.

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

Yellowstone River at Billings

14 mi

Below flood stage

Level: 2.9 ft
Flow: 3,010 cfs

Reading from Sat 3 AM · NWS gauge page

Canyon Creek at Billings (Zoo Montana)

14 mi

Below flood stage

Level: 2.5 ft

Reading from Sat 3 AM · NWS gauge page

Yellowstone River at Huntley Diversion Dam

18 mi

Level: 0.5 ft

Reading from Sat 3:15 AM · NWS gauge page

Pryor Creek near Huntley

22 mi

Level: 3.7 ft

Reading from Sat 3 AM · NWS gauge page

For your home

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

Heating this week

About 64% less heating than a typical week.

This week 55Typical 153

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 46
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 8 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 25°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?

Billings International Airport · official normals 1991–2020 · records 1934–2026

Oct 24, today vs a typical year

Today’s expected high is 7°4° colder than typical.

Last 7 days vs normal

On average 8°4° warmer than normal (daily mean temperature).

+7°+4°SunOct 18
+5°+3°MonOct 19
+6°+3°TueOct 20
+8°+4°WedOct 21
+13°+7°ThuOct 22
—FriOct 23
—SatOct 24

Acton weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 29 min; Losing 3 min 3 s a day; shortest Dec 21, 1 h 50 min less
Golden hour: 5:31–6:31 PM; Morning 7:25–8:26 AM
Blue hour: 6:31–6:43 PM; Morning 7:13–7:25 AM; first light 7:13 AM

Stars tonight? Good

Clear 5–7:13 AM; moon 96% lit, sets 5:58 AM.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:58 AM · rises 5:13 PM
Full moon: Oct 25
New moon: Nov 9

Looking southwest from Acton. The highest point on the skyline is about 12,500 ft, 76 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Acton, MT weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Yellowstone River at Billings

Canyon Creek at Billings (Zoo Montana)

Yellowstone River at Huntley Diversion Dam

Pryor Creek near Huntley

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? Good

Moon