Observed 3:00 AM MDT at KBIL

Rockvale, MT weather

Partly cloudy and 36°2°.

Forecasts agree

Now 36°2°

Partly cloudy · Feels like 29°−2°

Feels like: 29°−2°; Wind chill from 9 mph15 km/h wind · air 36°2°
Wind: 9 mph15 km/h; From the west-northwest. 35–10 mph16 km/h through 3 PM
Dew point: 27°−3°; Dry, static shocks likely
UV index: 0Low; Moderate 12–4 PM · peak 4
Pressure: 30.32 inHg1027 hPa; Rising slowly · +0.04 inHg+1.4 hPa in 3 h

Light rain now, through the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Fog until 4 AM
Hard freeze today 5–10 AM (low 28°−2°)
Above 40°4° today by noon
Hard freeze tonight 1–10 AM (low 25°−4°)
Below freezing tomorrow night from midnight (low 29°−2°)

TonightDown to 29°−2° by 5 AM · freezing, low 29°−2° · Partly cloudy
This morningUp to 39°4° by 11 AM · freezing, low 28°−2° · Clear
This afternoonUp to 52°11° by 4 PM · Clear
TonightDown to 26°−3° by 5 AM · freezing, low 26°−3° · Clear
Tomorrow morningUp to 37°3° by 11 AM · freezing, low 25°−4° · Clear
Tomorrow afternoonUp to 48°9° by 4 PM · Clear
Tomorrow nightDown to 29°−2° by 2 AM · freezing, low 29°−2° · 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 3a	Fog	35°2° (likely 35°2° to 37°3°)	31°−1°	0%	5 mph8 km/h from NW, gusts 10 mph16 km/h	89%	62%	0
Sat 4a	Clear	33°1° (likely 33°1° to 36°2°)	28°−2°	0%	5 mph8 km/h from NNW, gusts 5 mph8 km/h	93%	32%	0
Sat 5a	Clear	29°−2° (likely 29°−2° to 35°2°)	26°−3°	0%	3 mph5 km/h from N, gusts 4 mph7 km/h	98%	25%	0
Sat 6a	Clear	29°−2° (likely 29°−2° to 34°1°)	25°−4°	0%	3 mph5 km/h from NNE, gusts 5 mph8 km/h	99%	21%	0
Sat 7a	Clear	28°−2° (likely 28°−2° to 34°1°)	24°−4°	0%	3 mph5 km/h from ENE, gusts 4 mph7 km/h	100%	8%	0
Sat 8a	Sunny	28°−2° (likely 28°−2° to 33°1°)	23°−5°	0%	5 mph8 km/h from SSE, gusts 5 mph8 km/h	100%	5%	0
Sat 9a	Sunny	30°−1° (likely 30°−1° to 35°2°)	25°−4°	0%	5 mph8 km/h from SSW, gusts 7 mph11 km/h	97%	7%	0
Sat 10a	Sunny	35°2° (likely 35°2° to 39°4°)	31°−1°	0%	5 mph8 km/h from S, gusts 6 mph10 km/h	79%	0%	1
Sat 11a	Sunny	39°4° (likely 39°4° to 43°6°)	36°2°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	65%	0%	2
Sat 12p	Sunny	43°6° (likely 43°6° to 47°8°)	39°4°	0%	6 mph10 km/h from SSE, gusts 14 mph23 km/h	49%	1%	3
Sat 1p	Sunny	48°9° (likely 47°8° to 50°10°)	45°7°	0%	7 mph11 km/h from SSE, gusts 13 mph21 km/h	42%	2%	4
Sat 2p	Sunny	50°10° (likely 50°10° to 52°11°)	46°8°	0%	8 mph13 km/h from SSE, gusts 13 mph20 km/h	38%	1%	4
Sat 3p	Sunny	50°10° (likely 50°10° to 53°12°)	46°8°	0%	10 mph16 km/h from SSE, gusts 13 mph21 km/h	35%	0%	3
Sat 4p	Sunny	52°11° (likely 51°11° to 53°12°)	52°11°	0%	10 mph16 km/h from SE, gusts 13 mph20 km/h	37%	0%	2
Sat 5p	Sunny	50°10° (likely 50°10° to 52°11°)	47°8°	0%	9 mph14 km/h from SE, gusts 11 mph17 km/h	40%	0%	1
Sat 6p	Clear	48°9° (likely 46°8° to 49°9°)	46°8°	0%	6 mph10 km/h from ESE, gusts 9 mph14 km/h	48%	0%	0
Sat 7p	Clear	45°7° (likely 42°6° to 45°7°)	42°6°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	58%	0%	0
Sat 8p	Clear	41°5° (likely 40°4° to 42°6°)	38°3°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	63%	0%	0
Sat 9p	Clear	39°4° (likely 38°3° to 41°5°)	37°3°	0%	3 mph5 km/h from NNE, gusts 6 mph9 km/h	67%	0%	0
Sat 10p	Clear	36°2° (likely 36°2° to 40°4°)	36°2°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	72%	0%	0
Sat 11p	Clear	35°2° (likely 35°2° to 39°4°)	35°2°	0%	2 mph3 km/h from NNW, gusts 6 mph10 km/h	74%	0%	0
Sun 12a	Clear	33°1° (likely 33°1° to 38°3°)	33°1°	0%	2 mph3 km/h from NW, gusts 6 mph9 km/h	78%	0%	0
Sun 1a	Clear	32°0° (likely 32°0° to 37°3°)	32°0°	0%	2 mph3 km/h from NNW, gusts 5 mph8 km/h	82%	0%	0
Sun 2a	Clear	30°−1° (likely 30°−1° to 36°2°)	30°−1°	0%	2 mph3 km/h from NNW, gusts 5 mph9 km/h	84%	0%	0
Sun 3a	Clear	29°−2° (likely 29°−2° to 35°2°)	29°−2°	0%	2 mph3 km/h from NNW, gusts 6 mph9 km/h	85%	0%	0
Sun 4a	Clear	28°−2° (likely 28°−2° to 35°2°)	28°−2°	0%	2 mph3 km/h from NNW, gusts 5 mph8 km/h	90%	0%	0
Sun 5a	Clear	26°−3° (likely 26°−3° to 34°1°)	26°−3°	0%	2 mph3 km/h from NNW, gusts 5 mph7 km/h	93%	0%	0
Sun 6a	Clear	26°−3° (likely 26°−3° to 33°1°)	26°−3°	0%	2 mph3 km/h from NW, gusts 4 mph7 km/h	91%	0%	0
Sun 7a	Clear	25°−4° (likely 25°−4° to 33°1°)	25°−4°	0%	2 mph3 km/h from NW, gusts 4 mph7 km/h	96%	0%	0
Sun 8a	Sunny	25°−4° (likely 25°−4° to 33°1°)	25°−4°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	93%	0%	0
Sun 9a	Sunny	27°−3° (likely 27°−3° to 35°2°)	22°−6°	0%	5 mph8 km/h from NNW, gusts 5 mph7 km/h	88%	0%	0
Sun 10a	Sunny	33°1° (likely 33°1° to 39°4°)	29°−2°	0%	5 mph8 km/h from NNW, gusts 6 mph10 km/h	75%	0%	1
Sun 11a	Sunny	37°3° (likely 37°3° to 42°6°)	33°1°	0%	5 mph8 km/h from NNW, gusts 8 mph13 km/h	66%	0%	2
Sun 12p	Sunny	41°5° (likely 41°5° to 45°7°)	36°2°	0%	7 mph11 km/h from NNE, gusts 11 mph17 km/h	57%	0%	3
Sun 1p	Sunny	45°7° (likely 44°7° to 47°8°)	41°5°	0%	7 mph11 km/h from NNE, gusts 12 mph20 km/h	53%	0%	4
Sun 2p	Sunny	46°8° (likely 45°7° to 49°9°)	42°6°	0%	7 mph11 km/h from NNE, gusts 14 mph22 km/h	52%	2%	4
Sun 3p	Sunny	46°8° (likely 46°8° to 50°10°)	41°5°	0%	9 mph14 km/h from NE, gusts 15 mph24 km/h	50%	20%	3
Sun 4p	Sunny	48°9° (likely 46°8° to 50°10°)	44°7°	0%	9 mph14 km/h from NE, gusts 15 mph25 km/h	51%	20%	2
Sun 5p	Sunny	46°8° (likely 45°7° to 48°9°)	41°5°	0%	9 mph14 km/h from NE, gusts 14 mph23 km/h	52%	21%	1
Sun 6p	Clear	44°7° (likely 42°6° to 46°8°)	41°5°	0%	6 mph10 km/h from N, gusts 12 mph19 km/h	58%	22%	0
Sun 7p	Mostly clear	42°6° (likely 40°4° to 44°7°)	38°3°	0%	6 mph10 km/h from N, gusts 9 mph14 km/h	66%	25%	0
Sun 8p	Clear	39°4° (likely 38°3° to 42°6°)	35°2°	0%	6 mph10 km/h from N, gusts 7 mph12 km/h	70%	21%	0
Sun 9p	Clear	37°3° (likely 35°2° to 40°4°)	34°1°	0%	3 mph5 km/h from NNW, gusts 7 mph12 km/h	72%	20%	0
Sun 10p	Clear	35°2° (likely 33°1° to 39°4°)	32°0°	0%	3 mph5 km/h from NNW, gusts 7 mph12 km/h	76%	25%	0
Sun 11p	Clear	34°1° (likely 32°0° to 39°4°)	31°−1°	0%	3 mph5 km/h from NNW, gusts 6 mph10 km/h	80%	29%	0
Mon 12a	Mostly clear	32°0° (likely 32°0° to 38°3°)	32°0°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	84%	35%	0
Mon 1a	Mostly clear	30°−1° (likely 30°−1° to 37°3°)	30°−1°	0%	2 mph3 km/h from W, gusts 3 mph4 km/h	87%	38%	0
Mon 2a	Mostly clear	29°−2° (likely 29°−2° to 37°3°)	29°−2°	0%	2 mph3 km/h from W, gusts 2 mph4 km/h	89%	39%	0

Days ahead

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

Today, Oct 24. Drizzle. High 52°11°, low 28°−2°. Typical 56°13° / 29°−2°. Rain 0.01 in0.3 mm, 0% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 26°−3°
  Dry
Official NWS forecast
Today: Patchy fog before 9am. Sunny. High near 52, with temperatures falling to around 50 in the afternoon. Southeast wind 3 to 10 mph.
Tonight: Patchy fog. Mostly cloudy, with a low around 28. North northwest wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
51°11°–53°12°
Low, likely
28°−2°–33°1°
Typical high / low
56°13° / 29°−2°
Wind
10 mph16 km/h, gusts 22 mph35 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 48°9°, low 24°−4°. Typical 55°13° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 25°−4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 29°−2°
  Dry
Official NWS forecast
Day: Patchy fog before 9am. Sunny. High near 48, with temperatures falling to around 46 in the afternoon. North wind 2 to 9 mph.
Night: Mostly clear, with a low around 24. Northwest wind 2 to 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
46°8°–50°10°
Low, likely
24°−4°–33°1°
Typical high / low
55°13° / 28°−2°
Wind
12 mph19 km/h, gusts 20 mph32 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 53°12°, low 28°−2°. Typical 55°13° / 28°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny. High near 53, with temperatures falling to around 51 in the afternoon. North northwest wind 1 to 7 mph.
Night: Partly cloudy, with a low around 28. North northwest wind 2 to 6 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–55°13°
Low, likely
28°−2°–33°1°
Typical high / low
55°13° / 28°−2°
Wind
10 mph17 km/h, gusts 18 mph28 km/h
UV peak
4
Tuesday, Oct 27. Showers. High 55°13°, low 30°−1°. Typical 54°12° / 28°−2°. Rain 0.09 in2.3 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 35°2°
  40% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  40% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny. High near 55, with temperatures falling to around 52 in the afternoon. West southwest wind 3 to 9 mph. Chance of precipitation is 30%.
Night: A chance of rain showers. Mostly cloudy, with a low around 30. West wind 6 to 9 mph. Chance of precipitation is 40%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–55°13°
Low, likely
30°−1°–37°3°
Typical high / low
54°12° / 28°−2°
Wind
23 mph37 km/h, gusts 40 mph64 km/h
UV peak
2
Wednesday, Oct 28. Partly sunny. High 55°13°, low 26°−3°. Typical 54°12° / 28°−2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°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 55, with temperatures falling to around 52 in the afternoon. South southwest wind around 10 mph.
Night: Partly cloudy. Low around 26, with temperatures rising to around 28 overnight. Southeast wind around 9 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
55°13°–57°14°
Low, likely
26°−3°–39°4°
Typical high / low
54°12° / 28°−2°
Wind
16 mph26 km/h, gusts 29 mph46 km/h
UV peak
3
Thursday, Oct 29. Cloudy. High 50°10°, low 27°−3°. Typical 54°12° / 27°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 33°0°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 36°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny. High near 50, with temperatures falling to around 48 in the afternoon. South wind around 7 mph.
Night: Mostly cloudy, with a low around 27. North northwest wind around 7 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
43°6°–56°13°
Low, likely
27°−3°–36°2°
Typical high / low
54°12° / 27°−3°
Wind
11 mph17 km/h, gusts 16 mph26 km/h
UV peak
3
Friday, Oct 30. Cloudy. High 52°11°, low 36°2°. Typical 53°12° / 27°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  20% chance · 0.5 in1.2 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny. High near 52, with temperatures falling to around 50 in the afternoon. North northwest wind around 6 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–52°11°
Low, likely
31°−1°–41°5°
Typical high / low
53°12° / 27°−3°
Wind
13 mph21 km/h, gusts 21 mph34 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 46°8°, low 34°1°. Typical 53°12° / 27°−3°. Rain 0.11 in2.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 38°3°
  20% chance · 0.01 in0.4 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 47°8°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°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
38°3°–60°16°
Low, likely
24°−4°–40°4°
Typical high / low
53°12° / 27°−3°
Wind
11 mph18 km/h, gusts 23 mph37 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 47°8°, low 31°−1°. Typical 52°11° / 26°−3°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  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
42°6°–51°11°
Low, likely
20°−7°–37°3°
Typical high / low
52°11° / 26°−3°
Wind
17 mph28 km/h, gusts 28 mph44 km/h
UV peak
3
Monday, Nov 2. Mostly sunny. High 46°8°, low 33°1°. Typical 52°11° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 35°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 47°8°
  Dry
3. Evening
  6 PM–midnight
  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
37°3°–53°12°
Low, likely
32°0°–34°1°
Typical high / low
52°11° / 26°−3°
Wind
10 mph17 km/h, gusts 20 mph31 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 52°, low 28°.
Tomorrow
Dry, high 48°, low 24°, cooling off.
Monday
Dry, high 53°, low 28°, warming up.
Rest of week
Mostly dry, highs 46–55°.

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

Clarks Fork of the Yellowstone at Edgar

3.9 mi

Below flood stage

Level: 1.9 ft
Flow: 467 cfs

Reading from Sat 1:30 AM · NWS gauge page

Willow Creek near Boyd

19 mi

Level: 2.7 ft
Flow: 20 cfs

Reading from Sat 1:30 AM · NWS gauge page

Canyon Creek at Billings (Zoo Montana)

19 mi

Below flood stage

Level: 2.5 ft

Reading from Sat 2 AM · NWS gauge page

Red Lodge Creek above Cooney Reservoir near Boyd

19 mi

Level: 2.0 ft
Flow: 53 cfs

Reading from Sat 1:15 AM · NWS gauge page

For your home

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

Heating this week

About 67% less heating than a typical week.

This week 55Typical 167

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 40
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 14 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 27°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?

Bridger 2 N · official normals 1991–2020 · records 1900–2026

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).

+9°+5°SunOct 18
+3°+1°MonOct 19
+8°+4°TueOct 20
+5°+3°WedOct 21
+11°+6°ThuOct 22
—FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 30 min; Losing 2 min 53 s a day; shortest Dec 21, 1 h 48 min less
Golden hour: 5:32–6:33 PM; Morning 7:25–8:25 AM
Blue hour: 6:33–6:44 PM; Morning 7:13–7:25 AM; first light 7:13 AM

Stars tonight? Good

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

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:58 AM · rises 5:14 PM
Full moon: Oct 25
New moon: Nov 9

Looking southwest from Rockvale. The highest point on the skyline is about 12,500 ft, 47 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Rockvale, MT weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Clarks Fork of the Yellowstone at Edgar

Willow Creek near Boyd

Canyon Creek at Billings (Zoo Montana)

Red Lodge Creek above Cooney Reservoir near Boyd

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