Model estimate for 7:00 AM MDT (no recent station report)

Hamilton, MT weather

Clear and 28°−2°.

Mostly agree

Now 28°−2°

Clear · Feels like 24°−4°

Wind: 3 mph5 km/h; From the south-southeast. Up to 6 mph10 km/h through 7 PM
Dew point: 28°−2°; Dry · up to 37°3° by 11 AM (comfortable)
Humidity: 100%; Air 28°−2°, dew point 28°−2° · frost likely
UV index: 0Low; Moderate 2–3 PM · peak 3
Air quality: 0Good; Main pollutant: PM2.5 (fine particles)

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Hard freeze until 10 AM (low 28°−2°)
Above 40°4° today by noon
Hard freeze tonight 1–10 AM (low 26°−3°)
Fog tomorrow 7–11 AM
Below freezing tomorrow night from 3 AM (low 29°−2°)

This morningUp to 37°3° by 11 AM · freezing, low 28°−2° · Clear
This afternoonUp to 51°11° by 5 PM · Partly cloudy
TonightDown to 28°−2° by 5 AM · freezing, low 28°−2° · Partly cloudy
Tomorrow morningUp to 37°3° by 11 AM · Partly cloudy · freezing, low 26°−3°
Tomorrow afternoonUp to 51°11° by 5 PM · Mostly cloudy
Tomorrow nightDown to 30°−1° by 5 AM · freezing, low 30°−1° · 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 7a	Clear	28°−2° (likely 28°−2° to 38°3°)	24°−4°	0%	3 mph5 km/h from SSE, gusts 6 mph10 km/h	100%	11%	0
Sat 8a	Sunny	28°−2° (likely 28°−2° to 37°3°)	24°−4°	0%	3 mph5 km/h from SSE, gusts 4 mph7 km/h	100%	12%	0
Sat 9a	Partly sunny	29°−2° (likely 29°−2° to 37°3°)	24°−4°	0%	5 mph8 km/h from SSE, gusts 5 mph8 km/h	100%	13%	0
Sat 10a	Sunny	34°1° (likely 34°1° to 40°4°)	30°−1°	0%	5 mph8 km/h from SSE, gusts 4 mph7 km/h	100%	14%	0
Sat 11a	Partly sunny	37°3° (likely 37°3° to 45°7°)	33°1°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	100%	23%	1
Sat 12p	Sunny	41°5° (likely 41°5° to 49°9°)	37°3°	0%	6 mph10 km/h from SSE, gusts 12 mph20 km/h	89%	25%	2
Sat 1p	Sunny	45°7° (likely 45°7° to 52°11°)	43°6°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	77%	20%	2
Sat 2p	Partly sunny	49°9° (likely 49°9° to 55°13°)	48°9°	0%	3 mph5 km/h from SSE, gusts 10 mph16 km/h	69%	19%	3
Sat 3p	Partly sunny	50°10° (likely 50°10° to 56°13°)	49°9°	0%	3 mph5 km/h from SSE, gusts 8 mph13 km/h	63%	59%	2
Sat 4p	Cloudy	50°10° (likely 50°10° to 57°14°)	49°9°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	61%	68%	1
Sat 5p	Cloudy	51°11° (likely 51°11° to 56°13°)	51°11°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	61%	75%	1
Sat 6p	Cloudy	49°9° (likely 48°9° to 54°12°)	49°9°	0%	2 mph3 km/h from N, gusts 7 mph12 km/h	66%	78%	1
Sat 7p	Cloudy	43°6° (likely 43°6° to 50°10°)	43°6°	0%	2 mph3 km/h from NNE, gusts 7 mph11 km/h	80%	75%	0
Sat 8p	Cloudy	41°5° (likely 41°5° to 47°8°)	41°5°	0%	2 mph3 km/h from SW, gusts 4 mph7 km/h	92%	64%	0
Sat 9p	Partly cloudy	37°3° (likely 37°3° to 44°7°)	33°1°	0%	5 mph8 km/h from S, gusts 2 mph4 km/h	92%	37%	0
Sat 10p	Partly cloudy	36°2° (likely 36°2° to 43°6°)	33°1°	0%	3 mph5 km/h from S, gusts 2 mph4 km/h	92%	30%	0
Sat 11p	Partly cloudy	34°1° (likely 34°1° to 43°6°)	31°−1°	0%	3 mph5 km/h from S, gusts 3 mph5 km/h	94%	40%	0
Sun 12a	Partly cloudy	33°1° (likely 33°1° to 42°6°)	30°−1°	0%	3 mph5 km/h from S, gusts 3 mph5 km/h	94%	45%	0
Sun 1a	Clear	32°0° (likely 32°0° to 41°5°)	29°−2°	0%	3 mph5 km/h from S, gusts 2 mph4 km/h	94%	18%	0
Sun 2a	Mostly clear	32°0° (likely 32°0° to 40°4°)	29°−2°	0%	3 mph5 km/h from S, gusts 2 mph4 km/h	96%	12%	0
Sun 3a	Clear	30°−1° (likely 30°−1° to 40°4°)	30°−1°	0%	2 mph3 km/h from SSE, gusts 3 mph4 km/h	99%	27%	0
Sun 4a	Clear	29°−2° (likely 29°−2° to 39°4°)	29°−2°	0%	2 mph3 km/h from SSE, gusts 3 mph4 km/h	100%	7%	0
Sun 5a	Mostly clear	28°−2° (likely 28°−2° to 39°4°)	28°−2°	0%	2 mph3 km/h from S, gusts 2 mph3 km/h	100%	12%	0
Sun 6a	Clear	27°−3° (likely 27°−3° to 38°3°)	27°−3°	0%	2 mph3 km/h from S, gusts 2 mph3 km/h	100%	16%	0
Sun 7a	Fog	27°−3° (likely 27°−3° to 38°3°)	27°−3°	0%	2 mph3 km/h from S, gusts 2 mph3 km/h	100%	25%	0
Sun 8a	Fog	26°−3° (likely 26°−3° to 38°3°)	26°−3°	0%	2 mph3 km/h from S, gusts 2 mph2 km/h	100%	29%	0
Sun 9a	Fog	28°−2° (likely 28°−2° to 39°4°)	28°−2°	0%	2 mph3 km/h from SE, gusts 2 mph3 km/h	100%	57%	0
Sun 10a	Fog	33°1° (likely 33°1° to 43°6°)	33°1°	0%	2 mph3 km/h from SE, gusts 2 mph3 km/h	99%	52%	1
Sun 11a	Partly sunny	37°3° (likely 37°3° to 47°8°)	37°3°	0%	2 mph3 km/h from SE, gusts 3 mph4 km/h	89%	45%	2
Sun 12p	Partly sunny	42°6° (likely 42°6° to 50°10°)	42°6°	0%	2 mph3 km/h from NNE, gusts 4 mph7 km/h	79%	51%	3
Sun 1p	Partly sunny	46°8° (likely 46°8° to 53°12°)	46°8°	0%	2 mph3 km/h from NNE, gusts 5 mph8 km/h	72%	55%	4
Sun 2p	Partly sunny	49°9° (likely 49°9° to 54°12°)	49°9°	0%	2 mph3 km/h from NNE, gusts 5 mph8 km/h	66%	63%	4
Sun 3p	Cloudy	50°10° (likely 50°10° to 55°13°)	49°9°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	63%	72%	3
Sun 4p	Cloudy	50°10° (likely 50°10° to 56°13°)	49°9°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	64%	72%	2
Sun 5p	Cloudy	51°11° (likely 51°11° to 55°13°)	51°11°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	65%	74%	1
Sun 6p	Cloudy	48°9° (likely 48°9° to 52°11°)	48°9°	0%	2 mph3 km/h from N, gusts 4 mph6 km/h	74%	74%	1
Sun 7p	Cloudy	44°7° (likely 44°7° to 49°9°)	44°7°	0%	2 mph3 km/h from N, gusts 2 mph4 km/h	86%	75%	0
Sun 8p	Cloudy	40°4° (likely 40°4° to 47°8°)	40°4°	0%	2 mph3 km/h from N, gusts 3 mph5 km/h	93%	77%	0
Sun 9p	Cloudy	37°3° (likely 37°3° to 46°8°)	34°1°	0%	3 mph5 km/h from E, gusts 3 mph6 km/h	96%	78%	0
Sun 10p	Cloudy	35°2° (likely 35°2° to 45°7°)	32°0°	0%	3 mph5 km/h from E, gusts 3 mph5 km/h	98%	81%	0
Sun 11p	Cloudy	34°1° (likely 34°1° to 45°7°)	31°−1°	0%	3 mph5 km/h from E, gusts 3 mph4 km/h	99%	84%	0
Mon 12a	Cloudy	34°1° (likely 34°1° to 44°7°)	34°1°	0%	2 mph3 km/h from SE, gusts 2 mph4 km/h	99%	85%	0
Mon 1a	Cloudy	33°1° (likely 30°−1° to 43°6°)	33°1°	0%	2 mph3 km/h from SE, gusts 2 mph2 km/h	100%	79%	0
Mon 2a	Cloudy	33°1° (likely 29°−2° to 42°6°)	33°1°	0%	2 mph3 km/h from SE, gusts 1 mph2 km/h	100%	82%	0
Mon 3a	Cloudy	32°0° (likely 28°−2° to 42°6°)	32°0°	0%	2 mph3 km/h from SSE, gusts 2 mph2 km/h	100%	76%	0
Mon 4a	Partly cloudy	31°−1° (likely 26°−3° to 41°5°)	31°−1°	0%	2 mph3 km/h from SSE, gusts 2 mph3 km/h	100%	61%	0
Mon 5a	Partly cloudy	30°−1° (likely 25°−4° to 41°5°)	30°−1°	0%	2 mph3 km/h from SSE, gusts 2 mph3 km/h	100%	78%	0
Mon 6a	Mostly cloudy	29°−2° (likely 25°−4° to 41°5°)	29°−2°	0%	1 mph2 km/h from SSE, gusts 2 mph3 km/h	100%	79%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Cloudy. High 52°11°, low 25°−4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 51°11°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 28°−2°
  Dry
Official NWS forecast
Today: Patchy fog before 9am. Mostly sunny, with a high near 52. Southeast wind 2 to 6 mph.
Tonight: Partly cloudy, with a low around 25. South wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–57°14°
Low, likely
25°−4°–37°3°
Wind
7 mph12 km/h, gusts 14 mph23 km/h
UV peak
4
Tomorrow, Oct 25. Fog. High 52°11°, low 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 51°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 40°4°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 30°−1°
  Dry
Official NWS forecast
Day: Patchy fog before 11am. Mostly sunny, with a high near 52. East wind around 3 mph.
Night: Mostly cloudy, with a low around 27. East southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–56°13°
Low, likely
27°−3°–38°3°
Wind
5 mph7 km/h, gusts 10 mph16 km/h
UV peak
4
Monday, Oct 26. Rain. High 54°12°, low 29°−2°. Rain 0.19 in4.8 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  30% chance · 0.03 in0.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 45°7°
  70% chance · 0.18 in4.4 mm
4. Overnight
  midnight–6 AM
  Rain, 40°4°
  60% chance · 0.08 in2 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after noon. Partly sunny, with a high near 54. South southeast wind around 3 mph. Chance of precipitation is 20%.
Night: Rain likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–57°14°
Low, likely
28°−2°–40°4°
Wind
6 mph9 km/h, gusts 19 mph30 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 46°8°, low 25°−4°. Rain 0.09 in2.3 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 38°4°
  50% chance
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  40% chance
3. Evening
  6 PM–midnight
  Drizzle, 41°5°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 46. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain. Mostly cloudy, with a low around 25.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
46°8°–50°10°
Low, likely
25°−4°–40°4°
Wind
8 mph13 km/h, gusts 23 mph37 km/h
UV peak
3
Wednesday, Oct 28. Rain. High 49°9°, low 23°−5°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 42°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 34°1°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Partly sunny, with a high near 49.
Night: A slight chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 23.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
48°9°–53°12°
Low, likely
23°−5°–37°3°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
3
Thursday, Oct 29. Snow. High 48°9°, low 24°−4°. Snow 0.05 in1.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  20% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 43°6°
  30% chance · 0.2 in0.4 cm
4. Overnight
  midnight–6 AM
  Cloudy, 38°3°
  30% chance · 0.1 in0.3 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain and snow. Mostly sunny, with a high near 48.
Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 24.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–53°12°
Low, likely
24°−4°–35°2°
Wind
5 mph8 km/h, gusts 21 mph34 km/h
UV peak
3
Friday, Oct 30. Snow. High 48°9°, low 24°−4°. Snow 0–3 in0–8 cm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Snow, 38°3°
  30% chance · 0.5 in1.3 cm
2. Afternoon
  noon–6 PM
  Snow, 43°6°
  30% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 40°4°
  20% chance · 0.1 in0.3 cm
4. Overnight
  midnight–6 AM
  Drizzle, 33°1°
  20% chance · 0.03 in0.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow before 3pm, then a slight chance of rain. 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 24.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
41°5°–48°9°
Low, likely
24°−4°–38°3°
Wind
5 mph8 km/h, gusts 16 mph26 km/h
Saturday, Oct 31. Snow. High 42°6°, low 28°−2°. Snow < 1 in< 2 cm, 20% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 42°6°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 34°1°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 26°−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 agreeIndependent forecasts are close; the range is narrow.
High, likely
40°4°–43°6°
Low, likely
26°−3°–32°0°
Wind
5 mph8 km/h, gusts 14 mph23 km/h
UV peak
3
Sunday, Nov 1. Mostly sunny. High 44°7°, low 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 44°7°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 36°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°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
42°6°–49°9°
Low, likely
24°−4°–28°−2°
Wind
7 mph11 km/h, gusts 15 mph24 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 47°8°, low 31°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 49°10°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 38°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°–56°13°
Low, likely
30°−1°–32°0°
Wind
5 mph7 km/h, gusts 10 mph16 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 52°, low 25°.
Tomorrow
Dry, high 52°, low 27°.
Monday
Dry, high 54°, low 29°.
Rest of week
Highs 42–49°; 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

Bitterroot River at Bell Crossing near Victor

13 mi

Below flood stage

Level: 4.7 ft
Flow: 494 cfs

Forecast peak 4.7 ft Sat 12 PM

Reading from Sat 6:30 AM · NWS gauge page

Bitterroot River near Darby

19 mi

Below flood stage

Level: 2.0 ft
Flow: 336 cfs

Forecast peak 1.7 ft Sat 12 PM

Reading from Sat 6:15 AM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 28 min; Losing 3 min 3 s a day; shortest Dec 21, 1 h 51 min less
Golden hour: 5:52–6:53 PM; Morning 7:47–8:48 AM
Blue hour: 6:53–7:05 PM; Morning 7:35–7:47 AM; first light 7:35 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:21 AM · rises 5:35 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Hamilton. The highest point on the skyline is about 9,900 ft, 26 mi away.Skyline from USGS elevation data, heights drawn up to 2× taller. Sky, sun and moon as they are now.