Observed 3:25 PM MDT at KMSO

Arlee, MT weather

Sunny and 50°10°.

Mostly agree

Now 50°10°

Sunny

Wind: Calm; Up to 5 mph8 km/h through 3 AM
Dew point: 34°1°; Dry, static shocks likely
UV index: 2Low; Moderate until 4 PM · peak 4
Air quality: 28Good; Main pollutant: Ozone
Pressure: 30.18 inHg1022 hPa; Falling · −0.07 inHg−2.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 35°2° tomorrow at 8 AM
Above 40°4° tomorrow by 11 AM

This afternoonNear 53°12° · Clear
TonightDown to 37°3° by 5 AM · Partly cloudy
Tomorrow morningUp to 43°6° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 54°12° by 3 PM · Mostly cloudy
Tomorrow nightDown to 36°2° by 4 AM · Mostly cloudy
Monday morningUp to 43°6° by 11 AM · Mostly cloudy
Monday afternoonUp to 54°12° by 2 PM · rain chance 10% · 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 3p	Sunny	53°12° (likely 51°11° to 53°12°)	53°12°	0%	2 mph3 km/h from S, gusts 9 mph15 km/h	48%	7%	3
Sat 4p	Sunny	53°12° (likely 51°11° to 53°12°)	53°12°	0%	2 mph3 km/h from S, gusts 8 mph13 km/h	48%	16%	2
Sat 5p	Mostly cloudy	53°12° (likely 50°10° to 53°12°)	53°12°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	50%	39%	2
Sat 6p	Sunny	50°10° (likely 47°8° to 51°11°)	50°10°	0%	1 mph2 km/h from ENE, gusts 5 mph8 km/h	64%	38%	1
Sat 7p	Cloudy	47°8° (likely 43°6° to 48°9°)	47°8°	0%	2 mph3 km/h from SE, gusts 4 mph7 km/h	73%	76%	0
Sat 8p	Cloudy	44°7° (likely 41°5° to 47°8°)	42°6°	0%	3 mph5 km/h from SSE, gusts 5 mph8 km/h	76%	77%	0
Sat 9p	Partly cloudy	43°6° (likely 40°4° to 46°8°)	40°4°	0%	5 mph8 km/h from SSE, gusts 5 mph8 km/h	77%	56%	0
Sat 10p	Clear	42°6° (likely 39°4° to 45°7°)	39°4°	0%	5 mph8 km/h from SSE, gusts 5 mph9 km/h	77%	25%	0
Sat 11p	Clear	42°6° (likely 39°4° to 44°7°)	39°4°	0%	5 mph8 km/h from SSE, gusts 5 mph8 km/h	77%	27%	0
Sun 12a	Partly cloudy	41°5° (likely 38°3° to 44°7°)	38°3°	0%	5 mph8 km/h from SSE, gusts 5 mph7 km/h	77%	46%	0
Sun 1a	Partly cloudy	40°4° (likely 37°3° to 44°7°)	37°3°	0%	5 mph8 km/h from SSE, gusts 4 mph7 km/h	75%	54%	0
Sun 2a	Partly cloudy	39°4° (likely 37°3° to 43°6°)	36°2°	0%	5 mph8 km/h from SSE, gusts 4 mph6 km/h	75%	52%	0
Sun 3a	Partly cloudy	39°4° (likely 36°2° to 42°6°)	36°2°	0%	5 mph8 km/h from SE, gusts 3 mph6 km/h	74%	44%	0
Sun 4a	Partly cloudy	38°3° (likely 35°2° to 42°6°)	34°1°	0%	5 mph8 km/h from SE, gusts 4 mph6 km/h	74%	45%	0
Sun 5a	Mostly clear	37°3° (likely 34°1° to 41°5°)	33°1°	0%	5 mph8 km/h from ESE, gusts 3 mph5 km/h	73%	49%	0
Sun 6a	Partly cloudy	37°3° (likely 34°1° to 40°4°)	33°1°	0%	5 mph8 km/h from ESE, gusts 3 mph5 km/h	73%	53%	0
Sun 7a	Mostly clear	36°2° (likely 33°1° to 39°4°)	32°0°	0%	5 mph8 km/h from E, gusts 3 mph4 km/h	76%	20%	0
Sun 8a	Sunny	35°2° (likely 32°0° to 40°4°)	31°−1°	0%	5 mph8 km/h from E, gusts 3 mph4 km/h	74%	13%	0
Sun 9a	Mostly sunny	36°2° (likely 34°1° to 41°5°)	31°−1°	0%	6 mph10 km/h from ESE, gusts 4 mph6 km/h	76%	49%	0
Sun 10a	Mostly sunny	39°4° (likely 39°4° to 44°7°)	35°2°	0%	6 mph10 km/h from ENE, gusts 4 mph7 km/h	69%	51%	1
Sun 11a	Partly sunny	43°6° (likely 43°6° to 48°9°)	40°4°	0%	5 mph8 km/h from N, gusts 4 mph6 km/h	65%	55%	2
Sun 12p	Partly sunny	46°8° (likely 46°8° to 51°11°)	44°7°	0%	5 mph8 km/h from NNW, gusts 5 mph9 km/h	58%	65%	3
Sun 1p	Partly sunny	51°11° (likely 49°9° to 54°12°)	51°11°	0%	5 mph8 km/h from NNW, gusts 6 mph9 km/h	54%	65%	3
Sun 2p	Cloudy	53°12° (likely 51°11° to 56°13°)	53°12°	0%	3 mph5 km/h from NW, gusts 6 mph9 km/h	49%	72%	3
Sun 3p	Partly sunny	54°12° (likely 51°11° to 58°14°)	54°12°	0%	3 mph5 km/h from NW, gusts 6 mph10 km/h	48%	72%	3
Sun 4p	Partly sunny	54°12° (likely 51°11° to 58°14°)	54°12°	0%	3 mph5 km/h from NW, gusts 8 mph13 km/h	48%	72%	2
Sun 5p	Partly sunny	52°11° (likely 50°10° to 55°13°)	52°11°	0%	3 mph5 km/h from NW, gusts 11 mph18 km/h	51%	67%	1
Sun 6p	Cloudy	49°9° (likely 47°8° to 52°11°)	47°8°	0%	5 mph8 km/h from E, gusts 12 mph20 km/h	64%	70%	1
Sun 7p	Cloudy	45°7° (likely 43°6° to 50°10°)	43°6°	0%	5 mph8 km/h from E, gusts 13 mph20 km/h	74%	71%	0
Sun 8p	Cloudy	42°6° (likely 40°4° to 50°10°)	39°4°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	75%	73%	0
Sun 9p	Cloudy	42°6° (likely 39°4° to 50°10°)	38°3°	0%	7 mph11 km/h from E, gusts 13 mph20 km/h	75%	74%	0
Sun 10p	Cloudy	41°5° (likely 38°3° to 50°10°)	36°2°	0%	7 mph11 km/h from E, gusts 13 mph21 km/h	75%	75%	0
Sun 11p	Cloudy	41°5° (likely 37°3° to 50°10°)	36°2°	0%	7 mph11 km/h from E, gusts 12 mph20 km/h	74%	76%	0
Mon 12a	Cloudy	40°4° (likely 37°3° to 50°10°)	37°3°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	73%	77%	0
Mon 1a	Cloudy	39°4° (likely 36°2° to 49°9°)	36°2°	0%	5 mph8 km/h from E, gusts 11 mph17 km/h	71%	78%	0
Mon 2a	Cloudy	38°3° (likely 35°2° to 49°9°)	34°1°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	71%	79%	0
Mon 3a	Mostly cloudy	38°3° (likely 35°2° to 48°9°)	36°2°	0%	3 mph5 km/h from ESE, gusts 8 mph13 km/h	69%	65%	0
Mon 4a	Clear	36°2° (likely 34°1° to 48°9°)	33°1°	0%	3 mph5 km/h from ESE, gusts 7 mph12 km/h	70%	36%	0
Mon 5a	Clear	36°2° (likely 33°1° to 48°9°)	33°1°	0%	3 mph5 km/h from ESE, gusts 6 mph10 km/h	70%	36%	0
Mon 6a	Cloudy	36°2° (likely 33°1° to 48°9°)	33°1°	0%	3 mph5 km/h from ESE, gusts 6 mph9 km/h	70%	33%	0
Mon 7a	Cloudy	34°1° (likely 34°1° to 46°8°)	31°−1°	0%	3 mph5 km/h from ESE, gusts 4 mph6 km/h	73%	40%	0
Mon 8a	Cloudy	34°1° (likely 34°1° to 46°8°)	31°−1°	0%	3 mph5 km/h from ESE, gusts 4 mph6 km/h	75%	80%	0
Mon 9a	Cloudy	35°2° (likely 35°2° to 46°8°)	31°−1°	0%	5 mph8 km/h from ESE, gusts 3 mph6 km/h	74%	83%	0
Mon 10a	Mostly cloudy	38°3° (likely 38°3° to 47°8°)	34°1°	0%	5 mph8 km/h from ESE, gusts 4 mph6 km/h	70%	74%	1
Mon 11a	Cloudy	43°6° (likely 43°6° to 52°11°)	40°4°	0%	5 mph8 km/h from ESE, gusts 4 mph6 km/h	63%	81%	2
Mon 12p	Partly sunny	48°9° (likely 45°7° to 55°13°)	48°9°	10%	2 mph3 km/h from SE, gusts 6 mph10 km/h	57%	89%	2
Mon 1p	Partly sunny	52°11° (likely 46°8° to 53°12°)	52°11°	10%	2 mph3 km/h from SE, gusts 5 mph8 km/h	52%	89%	3
Mon 2p	Cloudy	54°12° (likely 47°8° to 54°12°)	54°12°	10%	2 mph3 km/h from SE, gusts 4 mph7 km/h	49%	76%	2

Days ahead

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

Today, Oct 24. Mostly cloudy. High 53°12°, low 35°2°. Typical 55°13° / 32°0°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
2. Evening
  6 PM–midnight
  Partly cloudy, 44°7°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 37°3°
  Dry
Official NWS forecast
Today: Partly sunny, with a high near 53. South wind around 2 mph.
Tonight: Mostly cloudy, with a low around 35. Southeast wind 1 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–54°12°
Low, likely
34°1°–38°3°
Typical high / low
55°13° / 32°0°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
4
Tomorrow, Oct 25. Partly sunny. High 54°12°, low 34°1°. Typical 54°12° / 32°0°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 36°2°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 54. North northeast wind around 6 mph.
Night: Mostly cloudy, with a low around 34. East wind 3 to 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–58°14°
Low, likely
32°0°–39°4°
Typical high / low
54°12° / 32°0°
Wind
17 mph27 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 55°13°, low 37°3°. Typical 54°12° / 31°−1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 43°6°
  70% chance · 0.06 in1.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 41°5°
  80% chance · 0.2 in0.6 cm
Official NWS forecast
Day: Partly sunny, with a high near 55. South southeast wind around 5 mph.
Night: Rain. Cloudy, with a low around 37. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
48°9°–55°13°
Low, likely
32°0°–40°4°
Typical high / low
54°12° / 31°−1°
Wind
16 mph25 km/h
UV peak
3
Tuesday, Oct 27. Snow. High 48°9°, low 35°2°. Typical 53°12° / 31°−1°. Snow 0–2 in0–5 cm, 80% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 40°4°
  80% chance · 0.2 in0.4 cm
2. Afternoon
  noon–6 PM
  Drizzle, 46°8°
  70% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Drizzle, 42°5°
  60% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  40% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain and snow. Cloudy, with a high near 48. New rainfall amounts less than a tenth of an inch possible.
Night: A slight chance of rain. Mostly cloudy, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–49°9°
Low, likely
35°2°–40°4°
Typical high / low
53°12° / 31°−1°
Wind
7 mph12 km/h, gusts 19 mph31 km/h
Wednesday, Oct 28. Snow. High 51°11°, low 34°1°. Typical 53°12° / 31°−1°. Snow 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 48°9°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  40% chance
4. Overnight
  midnight–6 AM
  Cloudy, 36°2°
  40% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and snow. Mostly cloudy, with a high near 51.
Night: A chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 34.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–51°11°
Low, likely
32°0°–38°3°
Typical high / low
53°12° / 31°−1°
Wind
8 mph12 km/h, gusts 13 mph21 km/h
UV peak
3
Thursday, Oct 29. Snow. High 48°9°, low 32°0°. Typical 52°11° / 31°−1°. Snow 0–2 in0–5 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  30% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 47°8°
  30% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 39°4°
  50% chance · 0.1 in0.3 cm
4. Overnight
  midnight–6 AM
  Drizzle, 34°1°
  50% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and snow. Partly sunny, with a high near 48.
Night: A chance of rain before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 32.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
43°6°–51°11°
Low, likely
32°0°–36°2°
Typical high / low
52°11° / 31°−1°
Wind
7 mph12 km/h, gusts 17 mph28 km/h
UV peak
3
Friday, Oct 30. Snow. High 47°8°, low 30°−1°. Typical 52°11° / 30°−1°. Snow < 1 in< 2 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  40% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Fog, 41°5°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 35°2°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 32°0°
  30% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and snow. Partly sunny, with a high near 47.
Night: A slight chance of rain and snow. Mostly cloudy, with a low around 30.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
38°3°–47°8°
Low, likely
28°−2°–34°1°
Typical high / low
52°11° / 30°−1°
Wind
6 mph9 km/h, gusts 16 mph26 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 40°4°, low 30°−1°. Typical 51°11° / 30°−1°. Rain 0.03 in0.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 31°0°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 40°4°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 35°2°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 31°−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
37°3°–44°7°
Low, likely
27°−3°–37°3°
Typical high / low
51°11° / 30°−1°
Wind
11 mph18 km/h
UV peak
2
Sunday, Nov 1. Snow. High 42°6°, low 29°−2°. Typical 51°11° / 30°−1°. Snow 0–3 in0–8 cm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Snow, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 42°6°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  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
38°3°–47°8°
Low, likely
27°−3°–33°1°
Typical high / low
51°11° / 30°−1°
Wind
6 mph9 km/h
UV peak
3
Monday, Nov 2. Snow. High 43°6°, low 32°0°. Typical 50°10° / 30°−1°. Snow < 1 in< 2 cm, 10% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 43°6°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 37°3°
  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
40°4°–47°8°
Low, likely
29°−2°–36°2°
Typical high / low
50°10° / 30°−1°
Wind
6 mph10 km/h, gusts 38 mph62 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 53°, low 35°.
Tomorrow
Dry, high 54°, low 34°.
Monday
Dry, high 55°, low 37°.
Rest of week
Highs 40–51°; chance of precipitation on Tuesday.

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

Clark Fork River below Missoula

21 mi

Below flood stage

Level: 1.4 ft
Flow: 2,650 cfs

Forecast peak 1.6 ft Sun 6 PM

Reading from Sat 2 PM · NWS gauge page

Clark Fork River above Missoula

21 mi

Below flood stage

Level: 3.0 ft
Flow: 1,960 cfs

Forecast peak 3.1 ft Sun 12 PM

Reading from Sat 3 PM · NWS gauge page

Bitterroot River near Missoula

23 mi

Below flood stage

Level: 3.3 ft
Flow: 891 cfs

Forecast peak 3.5 ft Sun 6 PM

Reading from Sat 2 PM · NWS gauge page

Blackfoot River near Bonner

24 mi

Below flood stage

Level: 2.3 ft
Flow: 734 cfs

Forecast peak 2.4 ft Sun 6 AM

Reading from Sat 2:30 PM · NWS gauge page

For your home

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

Heating this week

About 73% less heating than a typical week.

This week 44Typical 160

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 35
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 34°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?

Saint Ignatius · official normals 1991–2020 · records 1896–2026

Oct 24, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 25 min; Losing 3 min 8 s a day; shortest Dec 21, 1 h 56 min less
Golden hour: 5:49–6:51 PM; Morning 7:48–8:50 AM
Blue hour: 6:51–7:03 PM; Morning 7:36–7:48 AM; first light 7:36 AM

Stars tonight? Poor

Clouds most of the night (about 48% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 6:22 AM · rises 5:33 PM
Full moon: Oct 25
New moon: Nov 9

Looking east from Arlee. The highest point on the skyline is about 8,500 ft, 9 mi away.Skyline from USGS elevation data, heights drawn up to 3× taller. Sky, sun and moon as they are now.

Arlee, MT weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Clark Fork River below Missoula

Clark Fork River above Missoula

Bitterroot River near Missoula

Blackfoot River near Bonner

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? Poor

Moon