Observed 2:50 PM MDT at KGPI

Lake Mary Ronan, MT weather

Sunny and 50°10°.

Mostly agree

Now 50°10°

Sunny · Feels like 46°8°

Wind: 12 mph19 km/h; From the south-southeast. Up to 12 mph19 km/h through 3 AM
Dew point: 32°0°; Dry, static shocks likely
UV tomorrow: 3Moderate; Moderate 1–3 PM · peak 3
Pressure: 30.17 inHg1022 hPa; Falling · −0.07 inHg−2.4 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 48°9° today at 4 PM
Below 40°4° tonight after 8 PM
Below freezing tomorrow 7–10 AM (low 32°0°)
Above 40°4° tomorrow by noon
Below freezing Monday 4–10 AM (low 31°−1°)

This afternoonNear 47°8° · Clear
TonightDown to 33°1° by 5 AM · Mostly cloudy
Tomorrow morningUp to 39°4° by 11 AM · freezing, low 32°0° · Partly cloudy
Tomorrow afternoonUp to 48°9° by 4 PM · Mostly cloudy
Tomorrow nightDown to 32°0° by 4 AM · freezing, low 32°0° · Mostly cloudy
Monday morningUp to 40°4° by 11 AM · freezing, low 31°−1° · Cloudy
Monday afternoonNear 47°8° · 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	47°8° (likely 47°8° to 49°9°)	45°7°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	59%	8%	2
Sat 4p	Sunny	48°9° (likely 47°8° to 50°10°)	47°8°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	59%	4%	1
Sat 5p	Sunny	47°8° (likely 46°8° to 50°10°)	46°8°	0%	3 mph5 km/h from SSE, gusts 7 mph11 km/h	59%	15%	1
Sat 6p	Mostly cloudy	45°7° (likely 44°7° to 47°8°)	45°7°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	66%	64%	1
Sat 7p	Partly cloudy	42°6° (likely 41°5° to 45°7°)	42°6°	0%	1 mph2 km/h from ENE, gusts 4 mph6 km/h	73%	61%	0
Sat 8p	Cloudy	39°4° (likely 39°4° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 4 mph6 km/h	78%	76%	0
Sat 9p	Cloudy	39°4° (likely 39°4° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	79%	85%	0
Sat 10p	Cloudy	39°4° (likely 39°4° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	81%	84%	0
Sat 11p	Cloudy	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 5 mph7 km/h	82%	81%	0
Sun 12a	Cloudy	37°3° (likely 37°3° to 42°6°)	37°3°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	85%	73%	0
Sun 1a	Partly cloudy	37°3° (likely 37°3° to 41°5°)	37°3°	0%	1 mph2 km/h from N, gusts 5 mph9 km/h	85%	65%	0
Sun 2a	Partly cloudy	36°2° (likely 36°2° to 40°4°)	36°2°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	85%	54%	0
Sun 3a	Partly cloudy	35°2° (likely 35°2° to 40°4°)	35°2°	0%	2 mph3 km/h from N, gusts 5 mph9 km/h	86%	49%	0
Sun 4a	Mostly clear	34°1° (likely 34°1° to 40°4°)	31°−1°	0%	3 mph5 km/h from N, gusts 7 mph11 km/h	88%	25%	0
Sun 5a	Partly cloudy	33°1° (likely 33°1° to 40°4°)	30°−1°	0%	3 mph5 km/h from N, gusts 7 mph11 km/h	90%	49%	0
Sun 6a	Partly cloudy	33°1° (likely 32°0° to 40°4°)	30°−1°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	90%	47%	0
Sun 7a	Clear	32°0° (likely 31°−1° to 39°4°)	27°−3°	0%	5 mph8 km/h from N, gusts 11 mph17 km/h	88%	21%	0
Sun 8a	Mostly cloudy	32°0° (likely 31°−1° to 39°4°)	29°−2°	0%	3 mph5 km/h from N, gusts 11 mph18 km/h	87%	55%	0
Sun 9a	Cloudy	32°0° (likely 32°0° to 39°4°)	27°−3°	0%	5 mph8 km/h from N, gusts 12 mph19 km/h	88%	60%	0
Sun 10a	Partly sunny	35°2° (likely 35°2° to 42°6°)	32°0°	0%	3 mph5 km/h from N, gusts 16 mph25 km/h	82%	62%	1
Sun 11a	Mostly cloudy	39°4° (likely 38°3° to 48°9°)	36°2°	0%	5 mph8 km/h from NNE, gusts 15 mph24 km/h	71%	68%	1
Sun 12p	Mostly cloudy	43°6° (likely 41°5° to 50°10°)	40°4°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	63%	65%	2
Sun 1p	Mostly cloudy	45°7° (likely 44°7° to 53°12°)	43°6°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	59%	64%	3
Sun 2p	Cloudy	46°8° (likely 46°8° to 56°13°)	44°7°	0%	5 mph8 km/h from ENE, gusts 12 mph19 km/h	56%	66%	3
Sun 3p	Cloudy	47°8° (likely 47°8° to 56°13°)	45°7°	0%	5 mph8 km/h from ENE, gusts 11 mph18 km/h	54%	66%	2
Sun 4p	Cloudy	48°9° (likely 47°8° to 57°14°)	46°8°	0%	5 mph8 km/h from ENE, gusts 11 mph17 km/h	53%	67%	2
Sun 5p	Partly sunny	47°8° (likely 45°7° to 56°13°)	46°8°	0%	3 mph5 km/h from NE, gusts 10 mph17 km/h	54%	67%	1
Sun 6p	Mostly cloudy	45°7° (likely 43°6° to 52°11°)	45°7°	0%	2 mph3 km/h from NNE, gusts 10 mph16 km/h	61%	65%	0
Sun 7p	Cloudy	42°6° (likely 40°4° to 47°8°)	42°6°	0%	2 mph3 km/h from NNE, gusts 11 mph18 km/h	69%	72%	0
Sun 8p	Cloudy	38°3° (likely 37°3° to 45°7°)	38°3°	0%	2 mph3 km/h from NNE, gusts 11 mph18 km/h	77%	74%	0
Sun 9p	Cloudy	37°3° (likely 35°2° to 44°7°)	33°1°	0%	5 mph8 km/h from N, gusts 11 mph18 km/h	79%	75%	0
Sun 10p	Cloudy	36°2° (likely 34°1° to 44°7°)	32°0°	0%	5 mph8 km/h from N, gusts 11 mph18 km/h	80%	77%	0
Sun 11p	Partly cloudy	35°2° (likely 33°1° to 43°6°)	31°−1°	0%	5 mph8 km/h from N, gusts 11 mph17 km/h	80%	66%	0
Mon 12a	Cloudy	34°1° (likely 32°0° to 43°6°)	31°−1°	0%	3 mph5 km/h from N, gusts 10 mph16 km/h	81%	75%	0
Mon 1a	Cloudy	34°1° (likely 32°0° to 43°6°)	31°−1°	0%	3 mph5 km/h from N, gusts 9 mph14 km/h	80%	78%	0
Mon 2a	Cloudy	33°1° (likely 32°0° to 43°6°)	30°−1°	0%	3 mph5 km/h from N, gusts 7 mph12 km/h	78%	78%	0
Mon 3a	Clear	33°1° (likely 31°−1° to 44°7°)	33°1°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	80%	40%	0
Mon 4a	Clear	32°0° (likely 31°−1° to 43°6°)	32°0°	0%	2 mph3 km/h from N, gusts 6 mph9 km/h	82%	44%	0
Mon 5a	Clear	32°0° (likely 32°0° to 43°6°)	32°0°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	84%	48%	0
Mon 6a	Cloudy	32°0° (likely 32°0° to 43°6°)	32°0°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	84%	62%	0
Mon 7a	Cloudy	31°−1° (likely 31°−1° to 42°6°)	31°−1°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	82%	90%	0
Mon 8a	Cloudy	31°−1° (likely 31°−1° to 41°5°)	31°−1°	0%	1 mph2 km/h from N, gusts 4 mph6 km/h	83%	96%	0
Mon 9a	Cloudy	32°0° (likely 32°0° to 42°6°)	32°0°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	83%	85%	0
Mon 10a	Cloudy	35°2° (likely 35°2° to 43°6°)	35°2°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	77%	95%	1
Mon 11a	Cloudy	40°4° (likely 39°4° to 48°9°)	40°4°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	69%	97%	1
Mon 12p	Cloudy	45°7° (likely 42°6° to 51°11°)	45°7°	5%	1 mph2 km/h from NNE, gusts 6 mph9 km/h	62%	97%	2
Mon 1p	Cloudy	47°8° (likely 42°6° to 48°9°)	47°8°	5%	1 mph2 km/h from NNE, gusts 3 mph6 km/h	59%	89%	3
Mon 2p	Cloudy	48°9° (likely 44°7° to 49°9°)	48°9°	5%	1 mph2 km/h from NNE, gusts 3 mph5 km/h	59%	76%	3

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Cloudy. High 48°9°, low 32°0°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 39°4°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 33°1°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 48. South southeast wind around 5 mph.
Tonight: Mostly cloudy, with a low around 32. North northeast wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–50°10°
Low, likely
32°0°–36°2°
Wind
6 mph10 km/h, gusts 14 mph23 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 48°9°, low 30°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 32°0°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 48. North northeast wind around 5 mph.
Night: Mostly cloudy, with a low around 30. North northeast wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–57°14°
Low, likely
30°−1°–38°3°
Wind
9 mph15 km/h, gusts 17 mph28 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 48°9°, low 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  50% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  60% chance · 0.2 in0.4 cm
Official NWS forecast
Day: Partly sunny, with a high near 48. North northeast wind around 2 mph.
Night: Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
45°7°–50°10°
Low, likely
31°−1°–37°3°
Wind
8 mph12 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 44°7°, low 33°1°. Rain 0.16 in4.1 mm, 70% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  60% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 43°6°
  50% chance · 0.05 in1.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 39°4°
  40% chance · 0.04 in1.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 36°2°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 44. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain. Mostly cloudy, with a low around 33.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
41°5°–45°7°
Low, likely
33°1°–38°3°
Wind
15 mph24 km/h, gusts 28 mph45 km/h
UV peak
1
Wednesday, Oct 28. Snow. High 44°7°, low 30°−1°. Snow 0–2 in0–5 cm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 35°2°
  30% chance
2. Afternoon
  noon–6 PM
  Drizzle, 43°6°
  30% chance · 0.3 in0.7 cm
3. Evening
  6 PM–midnight
  Drizzle, 38°3°
  40% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 35°2°
  40% chance · 0.08 in2.1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain before 9am, then a chance of rain and snow. Mostly cloudy, with a high near 44.
Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 30.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
41°5°–45°7°
Low, likely
30°−1°–37°3°
Wind
20 mph31 km/h, gusts 34 mph54 km/h
UV peak
3
Thursday, Oct 29. Snow. High 42°6°, low 28°−2°. Snow 0.16 in4.1 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 34°1°
  40% chance · 0.05 in1.2 mm
2. Afternoon
  noon–6 PM
  Cloudy, 41°5°
  40% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Cloudy, 35°2°
  40% chance
4. Overnight
  midnight–6 AM
  Cloudy, 30°−1°
  40% 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 42.
Night: A chance of rain and snow. Mostly cloudy, with a low around 28.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
38°3°–43°6°
Low, likely
28°−2°–35°2°
Wind
6 mph10 km/h, gusts 15 mph24 km/h
Friday, Oct 30. Snow. High 41°5°, low 27°−3°. Snow 0–1 in0–3 cm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Snow, 30°−1°
  30% chance · 0.3 in0.8 cm
2. Afternoon
  noon–6 PM
  Snow, 35°2°
  30% chance · 0.1 in0.3 cm
3. Evening
  6 PM–midnight
  Cloudy, 31°0°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 26°−3°
  Dry
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 and snow. Mostly cloudy, with a high near 41.
Night: Mostly cloudy, with a low around 27.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
34°1°–41°5°
Low, likely
26°−3°–30°−1°
Wind
9 mph15 km/h, gusts 18 mph28 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 37°3°, low 25°−4°. Rain 0.03 in0.8 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 37°3°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 31°−1°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 25°−4°
  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
36°2°–39°4°
Low, likely
23°−5°–28°−2°
Wind
10 mph17 km/h, gusts 22 mph35 km/h
UV peak
2
Sunday, Nov 1. Cloudy. High 39°4°, low 26°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 38°3°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 32°0°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 30°−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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
36°2°–40°4°
Low, likely
21°−6°–30°−1°
Wind
5 mph8 km/h, gusts 12 mph20 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 39°4°, low 28°−2°. Rain 0.05 in1.3 mm, 10% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 33°0°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 39°4°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
36°2°–41°5°
Low, likely
24°−4°–36°2°
Wind
10 mph15 km/h, gusts 36 mph58 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 48°, low 32°.
Tomorrow
Dry, high 48°, low 30°.
Monday
Dry, high 48°, low 34°.
Rest of week
Highs 37–44°; 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

Sun & moon

Sun

Daylight: 10 h 22 min; Losing 3 min 22 s a day; shortest Dec 21, 1 h 59 min less
Golden hour: 5:48–6:51 PM; Morning 7:50–8:54 AM
Blue hour: 6:51–7:04 PM; Morning 7:38–7:50 AM; first light 7:38 AM

Stars tonight? Poor

Clouds most of the night (about 59% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 6:24 AM · rises 5:33 PM
Full moon: Oct 25
New moon: Nov 9

Looking northeast from Lake Mary Ronan. The highest point on the skyline is about 11,500 ft, 34 mi away.Skyline from USGS elevation data, heights drawn up to 4× taller. Sky, sun and moon as they are now.

Lake Mary Ronan, MT weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Sun & moon

Sun

Stars tonight? Poor

Moon