Observed 11:30 AM MDT at KMSO

Cyr, MT weather

Partly cloudy and 43°6°.

Forecasts agree

Now 43°6°

Partly sunny · Feels like 35°2°

Feels like: 35°2°; Wind chill from 15 mph24 km/h wind · air 43°6°
Wind: 15 mph24 km/h; From the east-southeast. Easing to 5 mph8 km/h by 12 PM
Dew point: 30°−1°; Dry · up to 39°4° by 1 PM (comfortable)
UV tomorrow: 3Moderate; Moderate 12–4 PM · peak 3
Pressure: 30.27 inHg1025 hPa; Falling · −0.07 inHg−2.5 hPa in 3 h

None rain now, through the next 2 hours.

From forecast models

Next 48 hours

7°4° cooler than this time yesterday (50°10° then, 43°6° now)

Good hours for

High 55°13° today at 5 PM
Below 50°10° tonight after 7 PM
Low 34°1° tomorrow at 8 AM
Above 40°4° tomorrow by 10 AM

This afternoonUp to 55°13° by 5 PM · Partly cloudy
TonightDown to 36°2° by 5 AM · Mostly cloudy
Tomorrow morningUp to 44°7° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 55°13° by 5 PM · Mostly cloudy
Tomorrow nightDown to 37°3° by 5 AM · Mostly cloudy
Monday morningNear 38°3° · 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 11a	Partly sunny	43°6° (likely 40°4° to 44°7°)	40°4°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	76%	46%	1
Sat 12p	Partly sunny	47°8° (likely 43°6° to 47°8°)	45°7°	0%	5 mph8 km/h from E, gusts 9 mph14 km/h	68%	25%	1
Sat 1p	Partly sunny	50°10° (likely 47°8° to 50°10°)	49°9°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	67%	26%	2
Sat 2p	Partly sunny	53°12° (likely 49°9° to 53°12°)	53°12°	0%	3 mph5 km/h from ESE, gusts 7 mph11 km/h	60%	26%	2
Sat 3p	Sunny	54°12° (likely 51°11° to 54°12°)	54°12°	0%	3 mph5 km/h from ESE, gusts 6 mph9 km/h	56%	25%	2
Sat 4p	Sunny	54°12° (likely 52°11° to 54°12°)	54°12°	0%	3 mph5 km/h from ESE, gusts 5 mph8 km/h	53%	27%	1
Sat 5p	Cloudy	55°13° (likely 51°11° to 55°13°)	55°13°	0%	2 mph3 km/h from ESE, gusts 6 mph9 km/h	54%	72%	1
Sat 6p	Cloudy	51°11° (likely 48°9° to 51°11°)	51°11°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	63%	77%	1
Sat 7p	Cloudy	49°9° (likely 45°7° to 49°9°)	49°9°	0%	1 mph2 km/h from E, gusts 7 mph11 km/h	67%	77%	0
Sat 8p	Cloudy	47°8° (likely 42°6° to 47°8°)	47°8°	0%	1 mph2 km/h from E, gusts 6 mph9 km/h	69%	77%	0
Sat 9p	Cloudy	44°7° (likely 40°4° to 44°7°)	44°7°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	70%	77%	0
Sat 10p	Mostly clear	42°6° (likely 39°4° to 44°7°)	42°6°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	70%	48%	0
Sat 11p	Partly cloudy	41°5° (likely 37°3° to 43°6°)	41°5°	0%	1 mph2 km/h from E, gusts 6 mph9 km/h	71%	61%	0
Sun 12a	Partly cloudy	40°4° (likely 35°2° to 43°6°)	40°4°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	72%	58%	0
Sun 1a	Partly cloudy	39°4° (likely 34°1° to 43°6°)	39°4°	0%	1 mph2 km/h from ENE, gusts 6 mph10 km/h	75%	43%	0
Sun 2a	Partly cloudy	38°3° (likely 33°1° to 43°6°)	38°3°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	73%	47%	0
Sun 3a	Partly cloudy	38°3° (likely 33°1° to 42°6°)	38°3°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	72%	50%	0
Sun 4a	Partly cloudy	37°3° (likely 32°0° to 43°6°)	37°3°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	73%	58%	0
Sun 5a	Partly cloudy	36°2° (likely 32°0° to 43°6°)	36°2°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	74%	55%	0
Sun 6a	Mostly clear	36°2° (likely 32°0° to 43°6°)	33°1°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	75%	38%	0
Sun 7a	Mostly clear	35°2° (likely 32°0° to 43°6°)	32°0°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	78%	31%	0
Sun 8a	Mostly sunny	34°1° (likely 32°0° to 42°6°)	31°−1°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	79%	34%	0
Sun 9a	Mostly cloudy	35°2° (likely 33°1° to 43°6°)	30°−1°	0%	6 mph10 km/h from E, gusts 8 mph13 km/h	79%	58%	0
Sun 10a	Mostly sunny	40°4° (likely 38°3° to 46°8°)	36°2°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	72%	33%	1
Sun 11a	Mostly cloudy	44°7° (likely 43°6° to 51°11°)	41°5°	0%	6 mph10 km/h from E, gusts 15 mph25 km/h	66%	49%	2
Sun 12p	Mostly cloudy	47°8° (likely 45°7° to 54°12°)	44°7°	0%	6 mph10 km/h from E, gusts 16 mph25 km/h	60%	53%	3
Sun 1p	Mostly cloudy	50°10° (likely 48°9° to 56°13°)	48°9°	0%	6 mph10 km/h from E, gusts 17 mph27 km/h	61%	53%	3
Sun 2p	Mostly cloudy	52°11° (likely 50°10° to 58°14°)	52°11°	0%	6 mph10 km/h from E, gusts 16 mph27 km/h	55%	67%	3
Sun 3p	Cloudy	54°12° (likely 51°11° to 59°15°)	54°12°	0%	3 mph5 km/h from E, gusts 15 mph25 km/h	53%	71%	3
Sun 4p	Cloudy	54°12° (likely 52°11° to 59°15°)	54°12°	0%	3 mph5 km/h from E, gusts 15 mph24 km/h	51%	72%	2
Sun 5p	Cloudy	55°13° (likely 51°11° to 58°14°)	55°13°	0%	3 mph5 km/h from E, gusts 15 mph24 km/h	53%	71%	1
Sun 6p	Cloudy	51°11° (likely 48°9° to 55°13°)	51°11°	0%	2 mph3 km/h from E, gusts 14 mph22 km/h	60%	71%	1
Sun 7p	Cloudy	49°9° (likely 44°7° to 52°11°)	49°9°	0%	2 mph3 km/h from E, gusts 13 mph20 km/h	65%	73%	0
Sun 8p	Cloudy	46°8° (likely 42°6° to 51°11°)	46°8°	0%	2 mph3 km/h from E, gusts 12 mph19 km/h	68%	75%	0
Sun 9p	Cloudy	44°7° (likely 40°4° to 50°10°)	42°6°	0%	3 mph5 km/h from E, gusts 11 mph18 km/h	69%	77%	0
Sun 10p	Cloudy	43°6° (likely 38°3° to 50°10°)	41°5°	0%	3 mph5 km/h from E, gusts 11 mph18 km/h	70%	77%	0
Sun 11p	Cloudy	42°6° (likely 37°3° to 49°9°)	40°4°	0%	3 mph5 km/h from E, gusts 11 mph17 km/h	71%	77%	0
Mon 12a	Cloudy	41°5° (likely 36°2° to 49°9°)	39°4°	0%	3 mph5 km/h from ESE, gusts 10 mph16 km/h	72%	76%	0
Mon 1a	Mostly cloudy	40°4° (likely 36°2° to 48°9°)	38°3°	0%	3 mph5 km/h from ESE, gusts 9 mph15 km/h	72%	76%	0
Mon 2a	Mostly cloudy	40°4° (likely 35°2° to 47°8°)	38°3°	0%	3 mph5 km/h from ESE, gusts 9 mph15 km/h	72%	75%	0
Mon 3a	Mostly cloudy	39°4° (likely 35°2° to 46°8°)	39°4°	0%	2 mph3 km/h from ESE, gusts 9 mph14 km/h	72%	71%	0
Mon 4a	Mostly cloudy	38°3° (likely 34°1° to 45°7°)	38°3°	0%	2 mph3 km/h from ESE, gusts 7 mph11 km/h	72%	80%	0
Mon 5a	Cloudy	37°3° (likely 33°1° to 44°7°)	37°3°	0%	2 mph3 km/h from ESE, gusts 6 mph9 km/h	73%	82%	0
Mon 6a	Mostly cloudy	37°3° (likely 33°1° to 42°6°)	34°1°	5%	3 mph5 km/h from ESE, gusts 5 mph8 km/h	74%	67%	0
Mon 7a	Mostly cloudy	35°2° (likely 31°−1° to 35°2°)	32°0°	5%	3 mph5 km/h from ESE, gusts 2 mph3 km/h	77%	81%	0
Mon 8a	Mostly cloudy	35°2° (likely 30°−1° to 35°2°)	32°0°	5%	3 mph5 km/h from ESE, gusts 2 mph3 km/h	79%	85%	0
Mon 9a	Mostly cloudy	35°2° (likely 31°−1° to 37°3°)	31°−1°	5%	5 mph8 km/h from ESE, gusts 2 mph3 km/h	79%	86%	0
Mon 10a	Mostly cloudy	39°4° (likely 34°1° to 41°5°)	36°2°	5%	5 mph8 km/h from ESE, gusts 2 mph4 km/h	74%	80%	1

Days ahead

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

Today, Oct 24. Partly sunny. High 55°13°, low 34°1°. Typical 52°11° / 28°−2°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 36°2°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 55. East wind around 5 mph.
Tonight: Partly cloudy, with a low around 34. East wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
52°11°–55°13°
Low, likely
31°−1°–39°4°
Typical high / low
52°11° / 28°−2°
Wind
8 mph13 km/h
UV peak
4
Tomorrow, Oct 25. Mostly cloudy. High 55°13°, low 35°2°. Typical 52°11° / 28°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 37°3°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 55. East wind around 6 mph.
Night: Mostly cloudy, with a low around 35. East southeast wind around 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–59°15°
Low, likely
31°−1°–42°6°
Typical high / low
52°11° / 28°−2°
Wind
14 mph22 km/h, gusts 21 mph34 km/h
UV peak
3
Monday, Oct 26. Partly sunny. High 55°13°, low 37°3°. Typical 51°11° / 28°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly cloudy, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 53°12°
  30% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  70% chance · 0.07 in1.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 42°5°
  60% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 55. East southeast wind around 5 mph.
Night: Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–55°13°
Low, likely
31°−1°–37°3°
Typical high / low
51°11° / 28°−2°
Wind
8 mph13 km/h, gusts 16 mph25 km/h
UV peak
2
Tuesday, Oct 27. Rain. High 50°10°, low 35°2°. Typical 51°11° / 27°−3°. Rain 0.11 in2.8 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 40°5°
  50% chance · 0.06 in1.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 47°8°
  40% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 43°6°
  30% chance · 0.03 in0.7 mm
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  30% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 50. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain. Mostly cloudy, with a low around 35.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
44°7°–50°10°
Low, likely
35°2°–41°5°
Typical high / low
51°11° / 27°−3°
Wind
8 mph13 km/h, gusts 24 mph38 km/h
Wednesday, Oct 28. Snow. High 51°11°, low 32°0°. Typical 50°10° / 27°−3°. Snow 0–1 in0–3 cm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 40°4°
  30% chance · 0.03 in0.7 mm
2. Afternoon
  noon–6 PM
  Drizzle, 47°8°
  40% chance · 0.04 in1.1 mm
3. Evening
  6 PM–midnight
  Snow, 40°5°
  40% chance · 0.2 in0.6 cm
4. Overnight
  midnight–6 AM
  Cloudy, 34°1°
  30% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain before 9am, then a chance of rain and snow. Mostly cloudy, with a high near 51.
Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
44°7°–51°11°
Low, likely
32°0°–38°3°
Typical high / low
50°10° / 27°−3°
Wind
8 mph13 km/h, gusts 25 mph41 km/h
UV peak
3
Thursday, Oct 29. Snow. High 49°9°, low 30°−1°. Typical 49°9° / 27°−3°. Snow 0.05 in1.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  30% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 45°7°
  30% chance · 0.01 in0.4 mm
3. Evening
  6 PM–midnight
  Cloudy, 39°4°
  30% chance
4. Overnight
  midnight–6 AM
  Snow, 36°2°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow before 3pm, then a chance of rain and snow. Partly sunny, with a high near 49.
Night: A 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
43°6°–49°9°
Low, likely
30°−1°–35°2°
Typical high / low
49°9° / 27°−3°
Wind
4 mph7 km/h, gusts 18 mph28 km/h
UV peak
2
Friday, Oct 30. Snow. High 51°11°, low 31°−1°. Typical 49°9° / 27°−3°. Snow 0–1 in0–3 cm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Snow, 36°2°
  30% chance · 0.2 in0.4 cm
2. Afternoon
  noon–6 PM
  Drizzle, 43°6°
  30% chance · 0.03 in0.7 mm
3. Evening
  6 PM–midnight
  Cloudy, 38°3°
  30% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 31°0°
  20% chance
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 51.
Night: A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
41°5°–51°11°
Low, likely
29°−2°–36°2°
Typical high / low
49°9° / 27°−3°
Wind
5 mph8 km/h, gusts 16 mph26 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 42°6°, low 28°−2°. Typical 48°9° / 26°−3°. Rain 0.03 in0.8 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 31°−1°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 42°5°
  20% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Clear, 35°2°
  20% chance
4. Overnight
  midnight–6 AM
  Partly cloudy, 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
39°4°–44°7°
Low, likely
27°−3°–30°−1°
Typical high / low
48°9° / 26°−3°
Wind
12 mph19 km/h, gusts 17 mph27 km/h
UV peak
3
Sunday, Nov 1. Partly sunny. High 43°6°, low 29°−2°. Typical 48°9° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 31°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 44°7°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 37°3°
  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
41°5°–49°9°
Low, likely
26°−3°–30°−1°
Typical high / low
48°9° / 26°−3°
Wind
4 mph7 km/h, gusts 23 mph36 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 45°7°, low 29°−2°. Typical 47°8° / 26°−3°. Rain 0.03 in0.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 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
41°5°–49°9°
Low, likely
28°−2°–30°−1°
Typical high / low
47°8° / 26°−3°
Wind
5 mph7 km/h, gusts 12 mph20 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 55°, low 34°.
Tomorrow
Dry, high 55°, low 35°.
Monday
Dry, high 55°, low 37°.
Rest of week
Highs 42–51°; chance of precipitation on Tuesday, Wednesday.

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

24 mi

Below flood stage

Level: 1.4 ft
Flow: 2,500 cfs

Forecast peak 1.6 ft Sun 6 PM

Reading from Sat 9 AM · NWS gauge page

For your home

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

Heating this week

About 77% less heating than a typical week.

This week 42Typical 182

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 33
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 30°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?

Alberton · official normals 1991–2020 · records 1958–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° warmer than typical.

Last 7 days vs normal

On average 8°4° warmer than normal (daily mean temperature).

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

Cyr 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 55 min less
Golden hour: 5:51–6:53 PM; Morning 7:50–8:52 AM
Blue hour: 6:53–7:05 PM; Morning 7:38–7:50 AM; first light 7:38 AM

Stars tonight? Poor

Clouds most of the night (about 55% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:24 AM · rises 5:35 PM
Full moon: Oct 25
New moon: Nov 9

Looking north from Cyr. The highest point on the skyline is about 5,700 ft, 6 mi away.Skyline from USGS elevation data, heights drawn up to 2× taller. Sky, sun and moon as they are now.