Observed 12:50 PM MDT at KBIL

Pompeys Pillar, MT weather

Sunny and 45°7°.

Forecasts agree

Now 45°7°

Sunny · Feels like 40°5°

Wind: 8 mph13 km/h; From the south. Up to 8 mph13 km/h through 1 AM
Dew point: 25°−4°; Dry, static shocks likely
UV index: 3Moderate; Moderate until 2 PM
Pressure (notable): 30.32 inHg1027 hPa; Falling fast · −0.12 inHg−4.1 hPa in 3 h, change coming

None rain now, through the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 52°11° today at 4 PM
Hard freeze tonight 2–10 AM (low 27°−3°)
Low 27°−3° tomorrow at 7 AM
Above 40°4° tomorrow by noon

This afternoonUp to 52°11° by 4 PM · Clear
TonightDown to 28°−2° by 5 AM · freezing, low 28°−2° · Clear
Tomorrow morningUp to 39°4° by 11 AM · freezing, low 27°−3° · Clear
Tomorrow afternoonUp to 52°11° by 5 PM · Clear
Tomorrow nightDown to 35°2° by 5 AM · rain chance 10% · Mostly cloudy
Monday morningUp to 44°7° by 11 AM · 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 1p	Sunny	48°9° (likely 46°8° to 49°9°)	45°7°	0%	6 mph10 km/h from S, gusts 11 mph17 km/h	36%	0%	3
Sat 2p	Sunny	50°10° (likely 48°9° to 51°11°)	47°8°	0%	7 mph11 km/h from SSE, gusts 12 mph20 km/h	31%	0%	2
Sat 3p	Sunny	51°11° (likely 49°9° to 52°11°)	51°11°	0%	8 mph13 km/h from SSE, gusts 12 mph20 km/h	29%	0%	2
Sat 4p	Sunny	52°11° (likely 50°10° to 52°11°)	52°11°	0%	7 mph11 km/h from SE, gusts 13 mph21 km/h	28%	0%	1
Sat 5p	Sunny	52°11° (likely 49°9° to 52°11°)	52°11°	0%	6 mph10 km/h from SE, gusts 12 mph19 km/h	27%	0%	0
Sat 6p	Clear	48°9° (likely 45°7° to 48°9°)	46°8°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	34%	0%	0
Sat 7p	Clear	46°8° (likely 41°5° to 46°8°)	44°7°	0%	5 mph8 km/h from E, gusts 6 mph10 km/h	37%	0%	0
Sat 8p	Clear	44°7° (likely 39°4° to 44°7°)	42°6°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	37%	0%	0
Sat 9p	Clear	40°4° (likely 37°3° to 41°5°)	38°3°	0%	3 mph5 km/h from E, gusts 8 mph13 km/h	40%	0%	0
Sat 10p	Clear	38°3° (likely 35°2° to 39°4°)	38°3°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	42%	0%	0
Sat 11p	Clear	37°3° (likely 33°1° to 38°3°)	37°3°	0%	2 mph3 km/h from ENE, gusts 7 mph11 km/h	46%	0%	0
Sun 12a	Clear	35°2° (likely 32°0° to 37°3°)	35°2°	0%	1 mph2 km/h from ENE, gusts 6 mph10 km/h	49%	0%	0
Sun 1a	Clear	33°1° (likely 30°−1° to 36°2°)	33°1°	0%	1 mph2 km/h from ENE, gusts 7 mph11 km/h	54%	0%	0
Sun 2a	Clear	32°0° (likely 29°−2° to 35°2°)	32°0°	0%	1 mph2 km/h from ENE, gusts 5 mph8 km/h	57%	0%	0
Sun 3a	Clear	31°−1° (likely 28°−2° to 34°1°)	31°−1°	0%	1 mph2 km/h from NE, gusts 4 mph6 km/h	60%	0%	0
Sun 4a	Clear	30°−1° (likely 26°−3° to 34°1°)	30°−1°	0%	2 mph3 km/h from NNE, gusts 4 mph6 km/h	64%	0%	0
Sun 5a	Clear	28°−2° (likely 25°−4° to 33°1°)	28°−2°	0%	1 mph2 km/h from NNE, gusts 3 mph5 km/h	68%	0%	0
Sun 6a	Clear	28°−2° (likely 24°−4° to 32°0°)	28°−2°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	69%	0%	0
Sun 7a	Clear	27°−3° (likely 24°−4° to 31°−1°)	27°−3°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	71%	0%	0
Sun 8a	Sunny	27°−3° (likely 24°−4° to 32°0°)	27°−3°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	73%	0%	0
Sun 9a	Sunny	29°−2° (likely 27°−3° to 35°2°)	24°−4°	0%	5 mph8 km/h from NNE, gusts 4 mph7 km/h	71%	0%	0
Sun 10a	Sunny	35°2° (likely 34°1° to 38°3°)	30°−1°	0%	6 mph10 km/h from NNE, gusts 9 mph15 km/h	60%	0%	1
Sun 11a	Sunny	39°4° (likely 38°3° to 42°6°)	35°2°	0%	6 mph10 km/h from NNE, gusts 14 mph23 km/h	52%	0%	2
Sun 12p	Sunny	43°6° (likely 41°5° to 46°8°)	39°4°	0%	7 mph11 km/h from NE, gusts 14 mph22 km/h	46%	0%	3
Sun 1p	Sunny	46°8° (likely 44°7° to 49°9°)	42°6°	0%	7 mph11 km/h from ENE, gusts 15 mph24 km/h	44%	0%	4
Sun 2p	Sunny	49°9° (likely 47°8° to 52°11°)	46°8°	0%	8 mph13 km/h from ENE, gusts 17 mph27 km/h	43%	0%	4
Sun 3p	Sunny	50°10° (likely 48°9° to 55°13°)	47°8°	0%	8 mph13 km/h from E, gusts 17 mph28 km/h	41%	2%	3
Sun 4p	Sunny	51°11° (likely 49°9° to 56°13°)	51°11°	0%	8 mph13 km/h from ENE, gusts 17 mph28 km/h	41%	22%	2
Sun 5p	Mostly sunny	52°11° (likely 48°9° to 54°12°)	52°11°	0%	8 mph13 km/h from ENE, gusts 16 mph26 km/h	42%	35%	1
Sun 6p	Partly cloudy	48°9° (likely 45°7° to 51°11°)	44°7°	5%	8 mph13 km/h from ENE, gusts 16 mph25 km/h	48%	30%	0
Sun 7p	Cloudy	46°8° (likely 42°6° to 48°9°)	42°6°	5%	8 mph13 km/h from ENE, gusts 12 mph20 km/h	51%	61%	0
Sun 8p	Cloudy	46°8° (likely 40°4° to 47°8°)	42°6°	5%	8 mph13 km/h from ENE, gusts 16 mph26 km/h	53%	64%	0
Sun 9p	Cloudy	42°6° (likely 39°4° to 46°8°)	37°3°	5%	8 mph13 km/h from E, gusts 15 mph24 km/h	60%	61%	0
Sun 10p	Cloudy	41°5° (likely 38°3° to 44°7°)	36°2°	5%	8 mph13 km/h from E, gusts 14 mph22 km/h	64%	62%	0
Sun 11p	Partly cloudy	40°4° (likely 37°3° to 42°6°)	35°2°	5%	8 mph13 km/h from E, gusts 13 mph20 km/h	70%	41%	0
Mon 12a	Cloudy	39°4° (likely 35°2° to 41°5°)	35°2°	10%	6 mph10 km/h from ENE, gusts 12 mph19 km/h	76%	77%	0
Mon 1a	Cloudy	38°3° (likely 34°1° to 41°5°)	34°1°	10%	6 mph10 km/h from ENE, gusts 11 mph17 km/h	81%	79%	0
Mon 2a	Cloudy	37°3° (likely 33°1° to 40°4°)	32°0°	10%	6 mph10 km/h from ENE, gusts 11 mph17 km/h	85%	68%	0
Mon 3a	Cloudy	36°2° (likely 31°−1° to 39°4°)	32°0°	10%	5 mph8 km/h from ENE, gusts 11 mph17 km/h	88%	78%	0
Mon 4a	Mostly cloudy	36°2° (likely 31°−1° to 39°4°)	32°0°	10%	5 mph8 km/h from ENE, gusts 9 mph14 km/h	90%	75%	0
Mon 5a	Mostly cloudy	35°2° (likely 32°0° to 39°4°)	31°−1°	10%	5 mph8 km/h from ENE, gusts 8 mph12 km/h	93%	64%	0
Mon 6a	Mostly cloudy	35°2° (likely 32°0° to 39°4°)	32°0°	5%	3 mph5 km/h from ENE, gusts 7 mph11 km/h	93%	53%	0
Mon 7a	Mostly cloudy	34°1° (likely 33°1° to 39°4°)	31°−1°	5%	3 mph5 km/h from ENE, gusts 3 mph5 km/h	94%	51%	0
Mon 8a	Mostly cloudy	35°2° (likely 32°0° to 39°4°)	32°0°	5%	3 mph5 km/h from ENE, gusts 3 mph5 km/h	95%	57%	0
Mon 9a	Mostly cloudy	36°2° (likely 34°1° to 42°6°)	36°2°	5%	2 mph3 km/h from E, gusts 2 mph4 km/h	94%	55%	0
Mon 10a	Partly sunny	40°4° (likely 38°3° to 45°7°)	40°4°	5%	2 mph3 km/h from E, gusts 3 mph5 km/h	88%	56%	1
Mon 11a	Mostly cloudy	44°7° (likely 41°5° to 48°9°)	44°7°	5%	2 mph3 km/h from E, gusts 5 mph8 km/h	80%	54%	2
Mon 12p	Mostly cloudy	48°9° (likely 43°6° to 51°11°)	47°8°	0%	3 mph5 km/h from ESE, gusts 7 mph12 km/h	72%	60%	3

Days ahead

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

Today, Oct 24. Sunny. High 52°11°, low 27°−3°. Typical 56°13° / 28°−2°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
2. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 28°−2°
  Dry
Official NWS forecast
Today: Sunny, with a high near 52. South southeast wind around 8 mph.
Tonight: Mostly clear, with a low around 27. East northeast wind 1 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
50°10°–52°11°
Low, likely
27°−3°–33°1°
Typical high / low
56°13° / 28°−2°
Wind
11 mph17 km/h, gusts 22 mph35 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 52°11°, low 34°1°. Typical 56°13° / 27°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Official NWS forecast
Day: Sunny, with a high near 52. Northeast wind 2 to 8 mph.
Night: Partly cloudy, with a low around 34. East northeast wind 5 to 8 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–56°13°
Low, likely
24°−4°–34°1°
Typical high / low
56°13° / 27°−3°
Wind
14 mph23 km/h, gusts 22 mph36 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 55°13°, low 34°1°. Typical 56°13° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Official NWS forecast
Day: Mostly cloudy. High near 55, with temperatures falling to around 53 in the afternoon. East wind 2 to 7 mph.
Night: Partly cloudy, with a low around 34. East northeast wind 2 to 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–57°14°
Low, likely
29°−2°–38°3°
Typical high / low
56°13° / 27°−3°
Wind
14 mph23 km/h, gusts 21 mph34 km/h
UV peak
4
Tuesday, Oct 27. Showers. High 55°13°, low 33°1°. Typical 55°13° / 27°−3°. Rain 0.2 in5.1 mm, 70% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 35°2°
  50% chance · 0.2 in0.5 cm
2. Afternoon
  noon–6 PM
  Drizzle, 54°12°
  50% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Mostly clear, 47°8°
  30% chance
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain showers likely. Mostly cloudy. High near 55, with temperatures falling to around 53 in the afternoon. Northwest wind 2 to 14 mph. Chance of precipitation is 70%.
Night: A slight chance of rain showers before midnight. Partly cloudy, with a low around 33. West wind 5 to 8 mph. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–57°14°
Low, likely
31°−1°–38°3°
Typical high / low
55°13° / 27°−3°
Wind
22 mph36 km/h, gusts 39 mph63 km/h
UV peak
2
Wednesday, Oct 28. Mostly sunny. High 57°14°, low 31°−1°. Typical 55°13° / 26°−3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 33°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny. High near 57, with temperatures falling to around 54 in the afternoon. West wind around 5 mph.
Night: Partly cloudy, with a low around 31. Northeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
56°13°–58°14°
Low, likely
28°−2°–37°3°
Typical high / low
55°13° / 26°−3°
Wind
12 mph20 km/h, gusts 22 mph36 km/h
UV peak
3
Thursday, Oct 29. Cloudy. High 53°12°, low 32°0°. Typical 54°12° / 26°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny. High near 53, with temperatures falling to around 50 in the afternoon. Northeast wind 2 to 6 mph.
Night: Mostly cloudy, with a low around 32. North wind 2 to 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–55°13°
Low, likely
27°−3°–37°3°
Typical high / low
54°12° / 26°−3°
Wind
13 mph20 km/h, gusts 23 mph37 km/h
UV peak
3
Friday, Oct 30. Cloudy. High 51°11°, low 32°0°. Typical 54°12° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 35°1°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 43°6°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny. High near 51, with temperatures falling to around 48 in the afternoon. North wind around 5 mph.
Night: A chance of rain and snow showers. Mostly cloudy, with a low around 32. North northeast wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
38°3°–51°11°
Low, likely
30°−1°–37°3°
Typical high / low
54°12° / 26°−3°
Wind
11 mph18 km/h, gusts 18 mph29 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 45°7°, low 33°1°. Typical 53°12° / 25°−4°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 36°2°
  20% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Sunny, 42°6°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 32°0°
  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
39°4°–51°11°
Low, likely
22°−6°–39°4°
Typical high / low
53°12° / 25°−4°
Wind
23 mph38 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 50°10°, low 30°−1°. Typical 53°12° / 25°−4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 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
44°7°–54°12°
Low, likely
17°−8°–36°2°
Typical high / low
53°12° / 25°−4°
Wind
21 mph34 km/h, gusts 37 mph60 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 53°12°, low 35°2°. Typical 52°11° / 25°−4°. Rain 0.17 in4.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  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°–64°18°
Low, likely
33°1°–38°3°
Typical high / low
52°11° / 25°−4°
Wind
29 mph46 km/h, gusts 54 mph86 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 52°, low 27°.
Tomorrow
Dry, high 52°, low 34°.
Monday
Dry, high 55°, low 34°, warming up.
Rest of week
Highs 45–57°; 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

Pryor Creek near Huntley

15 mi

Level: 3.7 ft

Reading from Sat 11 AM · NWS gauge page

Yellowstone River at Huntley Diversion Dam

19 mi

Level: 0.5 ft

Reading from Sat 11:15 AM · NWS gauge page

Bighorn River near Bighorn

25 mi

Level: 1.3 ft
Flow: 1,910 cfs

Reading from Sat 11 AM · NWS gauge page

For your home

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

Heating this week

About 71% less heating than a typical week.

This week 49Typical 169

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 36
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 10 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?

Huntley Experimental Station · official normals 1991–2020 · records 1911–2026

Oct 24, today vs a typical year

Today’s expected high is 4°2° colder than typical.

Last 7 days vs normal

On average 7°4° warmer than normal (daily mean temperature).

+6°+3°SunOct 18
+4°+2°MonOct 19
+5°+3°TueOct 20
+6°+3°WedOct 21
—ThuOct 22
+15°+8°FriOct 23
+6°+3°SatOct 24

Pompeys Pillar 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: 5:28–6:28 PM; Morning 7:22–8:23 AM
Blue hour: 6:28–6:40 PM; Morning 7:10–7:22 AM; first light 7:10 AM

Stars tonight? Fair

Clear 6:40 PM–7:11 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:55 AM · rises 5:10 PM
Full moon: Oct 25
New moon: Nov 9

Looking south from Pompeys Pillar. The highest point on the skyline is about 3,900 ft, 5 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.