Observed 9:35 AM MDT at KGPI

Little Bitterroot Lake, MT weather

Overcast and 37°3°.

Forecasts agree

Now 37°3°

Cloudy

Wind: Calm; Light through 9 PM
Dew point: 36°2°; Comfortable
Humidity: 93%; Air 37°3°, dew point 36°2° · fog or dew likely
UV index: 1Low; Moderate 12–4 PM · peak 3
Pressure: 30.26 inHg1025 hPa; Falling slowly · −0.03 inHg−1.1 hPa in 3 h

None rain now, through the next 2 hours.

From forecast models

Next 48 hours

11°6° cooler than this time yesterday (48°9° then, 37°3° now)

Good hours for

Fog until 11 AM
Above 40°4° today by 11 AM
Hard freeze tomorrow 4–11 AM (low 25°−4°)
Fog tomorrow 8–9 AM
Hard freeze tomorrow night from 1 AM (low 25°−4°)

This morningUp to 40°4° by 11 AM · Partly cloudy · freezing, low 28°−2°
This afternoonUp to 49°9° by 5 PM · Partly cloudy
TonightDown to 31°−1° by 5 AM · freezing, low 31°−1° · Mostly cloudy
Tomorrow morningUp to 37°3° by 11 AM · freezing, low 25°−4° · Mostly cloudy
Tomorrow afternoonUp to 48°9° by 5 PM · Mostly cloudy
Tomorrow nightDown to 29°−2° by 4 AM · freezing, low 29°−2° · Mostly cloudy
Monday morningNear 27°−3° · freezing, low 25°−4° · 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 9a	Fog	28°−2° (likely 28°−2° to 36°2°)	28°−2°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	100%	56%	0
Sat 10a	Fog	34°1° (likely 34°1° to 39°4°)	34°1°	0%	1 mph2 km/h from SSE, gusts 6 mph9 km/h	100%	36%	1
Sat 11a	Mostly sunny	40°4° (likely 40°4° to 42°6°)	40°4°	0%	2 mph3 km/h from S, gusts 8 mph13 km/h	84%	29%	2
Sat 12p	Partly sunny	43°6° (likely 43°6° to 44°7°)	43°6°	0%	2 mph3 km/h from S, gusts 9 mph15 km/h	70%	45%	3
Sat 1p	Partly sunny	45°7° (likely 45°7° to 47°8°)	45°7°	0%	2 mph3 km/h from SSW, gusts 9 mph15 km/h	61%	55%	3
Sat 2p	Sunny	47°8° (likely 47°8° to 49°9°)	47°8°	0%	2 mph3 km/h from SW, gusts 10 mph16 km/h	53%	18%	3
Sat 3p	Partly sunny	48°9° (likely 48°9° to 50°10°)	48°9°	0%	2 mph3 km/h from SW, gusts 9 mph15 km/h	50%	47%	3
Sat 4p	Partly sunny	48°9° (likely 48°9° to 50°10°)	48°9°	0%	2 mph3 km/h from SW, gusts 9 mph14 km/h	48%	44%	2
Sat 5p	Partly sunny	49°9° (likely 47°8° to 50°10°)	49°9°	0%	2 mph3 km/h from SSW, gusts 7 mph12 km/h	47%	54%	1
Sat 6p	Cloudy	46°8° (likely 45°7° to 47°8°)	46°8°	0%	1 mph2 km/h from S, gusts 5 mph7 km/h	55%	58%	0
Sat 7p	Cloudy	43°6° (likely 42°6° to 43°6°)	43°6°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	65%	73%	0
Sat 8p	Cloudy	40°4° (likely 40°4° to 42°6°)	40°4°	0%	1 mph2 km/h from E, gusts 3 mph6 km/h	73%	73%	0
Sat 9p	Cloudy	37°3° (likely 37°3° to 41°5°)	37°3°	0%	1 mph2 km/h from E, gusts 5 mph9 km/h	75%	76%	0
Sat 10p	Cloudy	37°3° (likely 37°3° to 41°5°)	37°3°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	74%	81%	0
Sat 11p	Cloudy	36°2° (likely 36°2° to 40°4°)	36°2°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	75%	84%	0
Sun 12a	Cloudy	36°2° (likely 36°2° to 40°4°)	36°2°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	75%	77%	0
Sun 1a	Cloudy	34°1° (likely 34°1° to 39°4°)	34°1°	0%	2 mph3 km/h from ENE, gusts 8 mph13 km/h	76%	74%	0
Sun 2a	Partly cloudy	34°1° (likely 34°1° to 38°3°)	34°1°	0%	2 mph3 km/h from ENE, gusts 8 mph14 km/h	76%	66%	0
Sun 3a	Mostly cloudy	33°1° (likely 33°1° to 38°3°)	33°1°	0%	2 mph3 km/h from ENE, gusts 10 mph16 km/h	78%	57%	0
Sun 4a	Mostly clear	32°0° (likely 32°0° to 37°3°)	29°−2°	0%	3 mph5 km/h from ENE, gusts 11 mph18 km/h	80%	32%	0
Sun 5a	Partly cloudy	31°−1° (likely 31°−1° to 37°3°)	28°−2°	0%	3 mph5 km/h from ENE, gusts 12 mph19 km/h	79%	51%	0
Sun 6a	Partly cloudy	29°−2° (likely 29°−2° to 36°2°)	25°−4°	0%	3 mph5 km/h from ENE, gusts 13 mph21 km/h	79%	58%	0
Sun 7a	Cloudy	27°−3° (likely 27°−3° to 36°2°)	23°−5°	0%	3 mph5 km/h from ENE, gusts 13 mph22 km/h	86%	64%	0
Sun 8a	Fog	25°−4° (likely 25°−4° to 36°2°)	21°−6°	0%	3 mph5 km/h from ENE, gusts 14 mph22 km/h	87%	58%	0
Sun 9a	Cloudy	25°−4° (likely 25°−4° to 36°2°)	21°−6°	0%	3 mph5 km/h from ENE, gusts 19 mph31 km/h	93%	57%	0
Sun 10a	Cloudy	31°−1° (likely 31°−1° to 43°6°)	28°−2°	0%	3 mph5 km/h from ENE, gusts 21 mph34 km/h	90%	71%	1
Sun 11a	Cloudy	37°3° (likely 37°3° to 47°8°)	34°1°	0%	3 mph5 km/h from ENE, gusts 20 mph32 km/h	76%	72%	1
Sun 12p	Mostly cloudy	40°4° (likely 40°4° to 49°9°)	37°3°	0%	5 mph8 km/h from ENE, gusts 19 mph31 km/h	64%	70%	2
Sun 1p	Mostly cloudy	43°6° (likely 43°6° to 51°11°)	40°4°	0%	5 mph8 km/h from ENE, gusts 18 mph29 km/h	58%	69%	3
Sun 2p	Mostly cloudy	46°8° (likely 44°7° to 53°12°)	44°7°	0%	5 mph8 km/h from ENE, gusts 17 mph27 km/h	53%	68%	3
Sun 3p	Mostly cloudy	47°8° (likely 45°7° to 54°12°)	46°8°	0%	3 mph5 km/h from ENE, gusts 16 mph26 km/h	51%	66%	3
Sun 4p	Mostly cloudy	47°8° (likely 46°8° to 55°13°)	46°8°	0%	3 mph5 km/h from ENE, gusts 16 mph26 km/h	49%	68%	2
Sun 5p	Cloudy	48°9° (likely 45°7° to 55°13°)	47°8°	0%	3 mph5 km/h from ENE, gusts 17 mph27 km/h	49%	73%	1
Sun 6p	Cloudy	45°7° (likely 42°6° to 51°11°)	45°7°	0%	2 mph3 km/h from ENE, gusts 16 mph26 km/h	54%	73%	0
Sun 7p	Cloudy	41°5° (likely 39°4° to 48°9°)	41°5°	0%	2 mph3 km/h from ENE, gusts 16 mph27 km/h	64%	73%	0
Sun 8p	Mostly cloudy	38°3° (likely 37°3° to 46°8°)	38°3°	0%	2 mph3 km/h from ENE, gusts 16 mph25 km/h	70%	72%	0
Sun 9p	Mostly cloudy	35°2° (likely 35°2° to 45°7°)	35°2°	0%	2 mph3 km/h from NE, gusts 15 mph24 km/h	72%	72%	0
Sun 10p	Cloudy	34°1° (likely 34°1° to 44°7°)	34°1°	0%	2 mph3 km/h from NE, gusts 14 mph23 km/h	73%	78%	0
Sun 11p	Cloudy	33°1° (likely 33°1° to 43°6°)	33°1°	0%	2 mph3 km/h from NE, gusts 14 mph23 km/h	72%	79%	0
Mon 12a	Cloudy	33°1° (likely 33°1° to 43°6°)	30°−1°	0%	3 mph5 km/h from NE, gusts 14 mph22 km/h	72%	78%	0
Mon 1a	Partly cloudy	32°0° (likely 32°0° to 42°6°)	29°−2°	0%	3 mph5 km/h from NE, gusts 13 mph21 km/h	73%	55%	0
Mon 2a	Cloudy	31°−1° (likely 31°−1° to 41°5°)	28°−2°	0%	3 mph5 km/h from NE, gusts 11 mph17 km/h	75%	69%	0
Mon 3a	Cloudy	30°−1° (likely 30°−1° to 40°4°)	30°−1°	0%	2 mph3 km/h from NE, gusts 10 mph17 km/h	76%	77%	0
Mon 4a	Mostly cloudy	29°−2° (likely 29°−2° to 39°4°)	29°−2°	0%	2 mph3 km/h from NE, gusts 9 mph15 km/h	75%	69%	0
Mon 5a	Cloudy	29°−2° (likely 29°−2° to 39°4°)	29°−2°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	74%	85%	0
Mon 6a	Mostly cloudy	28°−2° (likely 28°−2° to 38°3°)	28°−2°	0%	1 mph2 km/h from NE, gusts 5 mph7 km/h	74%	84%	0
Mon 7a	Cloudy	26°−3° (likely 26°−3° to 34°1°)	26°−3°	0%	1 mph2 km/h from NE, gusts 4 mph6 km/h	80%	92%	0
Mon 8a	Cloudy	25°−4° (likely 25°−4° to 34°1°)	25°−4°	0%	1 mph2 km/h from NE, gusts 3 mph5 km/h	86%	95%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Cloudy. High 50°10°, low 25°−4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Fog, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 49°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 40°4°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 31°−1°
  Dry
Official NWS forecast
Today: Patchy fog before 11am. Mostly sunny, with a high near 50. South wind around 2 mph.
Tonight: Partly cloudy. Low around 25, with temperatures rising to around 31 overnight. East wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
48°9°–50°10°
Low, likely
25°−4°–34°1°
Wind
7 mph10 km/h, gusts 16 mph25 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 49°9°, low 23°−5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 25°−4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly cloudy, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 29°−2°
  Dry
Official NWS forecast
Day: Patchy fog between 8am and 9am. Mostly cloudy, with a high near 49. East northeast wind around 5 mph.
Night: Mostly cloudy, with a low around 23. Northeast wind around 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
46°8°–55°13°
Low, likely
23°−5°–36°2°
Wind
12 mph20 km/h, gusts 25 mph41 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 51°11°, low 26°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 25°−4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 49°10°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 40°4°
  30% chance · 0.1 in0.3 cm
4. Overnight
  midnight–6 AM
  Cloudy, 36°2°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 51. East northeast wind around 1 mph.
Night: A chance of rain. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
46°8°–51°11°
Low, likely
26°−3°–32°0°
Wind
7 mph12 km/h, gusts 20 mph32 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 47°8°, low 26°−3°. Rain 0.07 in1.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  40% chance · 0.01 in0.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 42°6°
  40% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Drizzle, 38°3°
  30% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 36°2°
  30% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 47.
Night: A chance of rain. Mostly cloudy, with a low around 26.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
41°5°–47°8°
Low, likely
26°−3°–37°3°
Wind
12 mph19 km/h, gusts 29 mph46 km/h
UV peak
2
Wednesday, Oct 28. Snow. High 45°7°, low 21°−6°. Snow 0–2 in0–5 cm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 35°2°
  40% chance · 0.2 in0.4 cm
2. Afternoon
  noon–6 PM
  Snow, 41°5°
  40% chance · 0.2 in0.4 cm
3. Evening
  6 PM–midnight
  Cloudy, 36°2°
  40% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Mostly clear, 31°0°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain and snow likely. Mostly cloudy, with a high near 45.
Night: A chance of rain and snow. Mostly cloudy, with a low around 21.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
39°4°–45°7°
Low, likely
21°−6°–34°1°
Wind
10 mph16 km/h, gusts 25 mph40 km/h
UV peak
2
Thursday, Oct 29. Snow. High 44°7°, low 20°−7°. Snow 0–1 in0–3 cm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 31°0°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 42°5°
  40% chance
3. Evening
  6 PM–midnight
  Cloudy, 35°2°
  40% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Snow, 31°−1°
  30% chance · 0.3 in0.6 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow. Mostly cloudy, with a high near 44. New snow accumulation of less than half an inch possible.
Night: A chance of snow. Mostly cloudy, with a low around 20. Little or no snow accumulation expected.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
38°3°–45°7°
Low, likely
20°−7°–33°1°
Wind
7 mph11 km/h, gusts 20 mph32 km/h
UV peak
2
Friday, Oct 30. Snow. High 46°8°, low 20°−7°. Snow 0–2 in0–5 cm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Snow, 30°−1°
  30% chance · 0.4 in1.1 cm
2. Afternoon
  noon–6 PM
  Cloudy, 38°3°
  30% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Cloudy, 34°1°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 27°−3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of snow. Partly sunny, with a high near 46. Little or no snow accumulation expected.
Night: Mostly cloudy, with a low around 20.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
35°2°–46°8°
Low, likely
20°−7°–31°−1°
Wind
9 mph15 km/h, gusts 24 mph38 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 38°3°, low 25°−4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 38°3°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 32°0°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 28°−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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
35°2°–40°4°
Low, likely
23°−5°–26°−3°
Wind
15 mph23 km/h, gusts 21 mph34 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 39°4°, low 27°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 38°4°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 33°1°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 29°−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
23°−5°–29°−2°
Wind
7 mph11 km/h, gusts 23 mph37 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 43°6°, low 27°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 44°7°
  Dry
3. Evening
  6 PM–midnight
  Partly 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
34°1°–53°12°
Low, likely
21°−6°–30°−1°
Wind
5 mph7 km/h, gusts 10 mph16 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 50°, low 25°.
Tomorrow
Dry, high 49°, low 23°.
Monday
Dry, high 51°, low 26°.
Rest of week
Highs 38–47°; chance of precipitation on Wednesday, Thursday.

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

Stillwater River at Lawrence Park at Kalispell

20 mi

Below flood stage

Level: 2.8 ft
Flow: 81 cfs

Forecast peak 2.8 ft Sat 12 PM

Reading from Sat 7:45 AM · NWS gauge page

Whitefish River near Kalispell

24 mi

Below flood stage

Level: 1.5 ft
Flow: 58 cfs

Forecast peak 1.4 ft Sat 12 PM

Reading from Sat 7:45 AM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 21 min; Losing 3 min 22 s a day; shortest Dec 21, 2 h 0 min less
Golden hour: 5:49–6:52 PM; Morning 7:52–8:56 AM
Blue hour: 6:52–7:05 PM; Morning 7:40–7:52 AM; first light 7:40 AM

Stars tonight? Poor

Clouds most of the night (about 67% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:26 AM · rises 5:34 PM
Full moon: Oct 25
New moon: Nov 9

Looking southwest from Little Bitterroot Lake. The highest point on the skyline is about 5,300 ft, 10 mi away.Skyline from USGS elevation data, heights drawn up to 3× taller. Sky, sun and moon as they are now.