Model estimate for 4:00 PM MDT (no recent station report)

Rockport Colony, MT weather

Sunny and 40°4°, 11°6° colder than a typical Oct 24, freeze watch tonight, low 24°−4°.

Mostly agree

Now 40°4°

Sunny · Feels like 37°3°

Wind: 5 mph8 km/h; From the southeast. Up to 5 mph8 km/h through 4 AM
Dew point: 30°−1°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 12–4 PM · peak 4
Air quality: 8Good; 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 tonight 8–1 PM (low 24°−4°)
Low 24°−4° tomorrow at 8 AM
Hard freeze tomorrow night 7 PM–11 AM (low 23°−5°)

This afternoonNear 40°4° · Clear
TonightDown to 27°−3° by 5 AM · freezing, low 27°−3° · Mostly cloudy
Tomorrow morningNear 29°−2° · freezing, low 24°−4° · Mostly cloudy
Tomorrow afternoonUp to 36°2° by 3 PM · freezing, low 32°0° · Cloudy
Tomorrow nightDown to 25°−4° by 3 AM · freezing, low 25°−4° · Cloudy
Monday morningUp to 33°1° by 11 AM · freezing, low 23°−5° · Mostly cloudy
Monday afternoonUp to 41°5° by 3 PM · 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 4p	Sunny	40°4° (likely 40°4° to 44°7°)	37°3°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	67%	2%	1
Sat 5p	Sunny	40°4° (likely 40°4° to 43°6°)	37°3°	0%	5 mph8 km/h from ESE, gusts 8 mph13 km/h	67%	8%	1
Sat 6p	Clear	38°3° (likely 37°3° to 41°5°)	36°2°	0%	3 mph5 km/h from ESE, gusts 8 mph13 km/h	77%	11%	0
Sat 7p	Mostly cloudy	35°2° (likely 33°1° to 38°3°)	32°0°	0%	3 mph5 km/h from ESE, gusts 8 mph12 km/h	84%	45%	0
Sat 8p	Cloudy	32°0° (likely 30°−1° to 36°2°)	32°0°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	88%	75%	0
Sat 9p	Cloudy	31°−1° (likely 30°−1° to 34°1°)	31°−1°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	89%	81%	0
Sat 10p	Cloudy	30°−1° (likely 30°−1° to 34°1°)	30°−1°	0%	2 mph3 km/h from ESE, gusts 6 mph9 km/h	89%	86%	0
Sat 11p	Cloudy	30°−1° (likely 30°−1° to 33°1°)	30°−1°	0%	2 mph3 km/h from NE, gusts 5 mph8 km/h	87%	92%	0
Sun 12a	Cloudy	30°−1° (likely 30°−1° to 33°1°)	30°−1°	0%	2 mph3 km/h from NE, gusts 5 mph7 km/h	89%	94%	0
Sun 1a	Mostly cloudy	29°−2° (likely 29°−2° to 32°0°)	29°−2°	0%	2 mph3 km/h from NNE, gusts 7 mph11 km/h	89%	93%	0
Sun 2a	Mostly cloudy	29°−2° (likely 29°−2° to 32°0°)	29°−2°	0%	2 mph3 km/h from NNE, gusts 8 mph13 km/h	89%	88%	0
Sun 3a	Partly cloudy	28°−2° (likely 28°−2° to 31°−1°)	24°−4°	0%	3 mph5 km/h from N, gusts 8 mph13 km/h	88%	82%	0
Sun 4a	Cloudy	28°−2° (likely 28°−2° to 31°−1°)	24°−4°	0%	3 mph5 km/h from N, gusts 9 mph14 km/h	87%	77%	0
Sun 5a	Cloudy	27°−3° (likely 27°−3° to 31°−1°)	23°−5°	0%	3 mph5 km/h from N, gusts 9 mph15 km/h	87%	82%	0
Sun 6a	Cloudy	27°−3° (likely 27°−3° to 30°−1°)	23°−5°	0%	3 mph5 km/h from N, gusts 9 mph15 km/h	85%	84%	0
Sun 7a	Cloudy	25°−4° (likely 25°−4° to 30°−1°)	21°−6°	0%	3 mph5 km/h from N, gusts 9 mph14 km/h	83%	79%	0
Sun 8a	Cloudy	24°−4° (likely 24°−4° to 30°−1°)	20°−7°	0%	3 mph5 km/h from N, gusts 9 mph15 km/h	81%	86%	0
Sun 9a	Cloudy	26°−3° (likely 26°−3° to 29°−2°)	20°−7°	0%	5 mph8 km/h from N, gusts 8 mph12 km/h	84%	86%	0
Sun 10a	Cloudy	29°−2° (likely 28°−2° to 29°−2°)	24°−4°	0%	5 mph8 km/h from NNE, gusts 8 mph13 km/h	80%	85%	1
Sun 11a	Cloudy	30°−1° (likely 29°−2° to 30°−1°)	25°−4°	0%	5 mph8 km/h from NNE, gusts 8 mph13 km/h	75%	87%	2
Sun 12p	Cloudy	32°0° (likely 30°−1° to 32°0°)	26°−3°	0%	6 mph10 km/h from NNE, gusts 7 mph11 km/h	71%	90%	3
Sun 1p	Cloudy	34°1° (likely 30°−1° to 34°1°)	29°−2°	0%	6 mph10 km/h from NE, gusts 7 mph11 km/h	67%	92%	3
Sun 2p	Cloudy	35°2° (likely 31°−1° to 35°2°)	30°−1°	0%	6 mph10 km/h from ENE, gusts 7 mph11 km/h	66%	93%	4
Sun 3p	Cloudy	36°2° (likely 31°−1° to 36°2°)	31°−1°	0%	6 mph10 km/h from ENE, gusts 7 mph11 km/h	65%	93%	3
Sun 4p	Cloudy	36°2° (likely 31°−1° to 36°2°)	31°−1°	0%	6 mph10 km/h from E, gusts 9 mph15 km/h	65%	94%	2
Sun 5p	Cloudy	36°2° (likely 31°−1° to 36°2°)	31°−1°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	65%	93%	1
Sun 6p	Cloudy	33°1° (likely 30°−1° to 34°1°)	30°−1°	0%	3 mph5 km/h from E, gusts 9 mph15 km/h	73%	93%	0
Sun 7p	Cloudy	31°−1° (likely 29°−2° to 33°1°)	28°−2°	0%	3 mph5 km/h from E, gusts 10 mph16 km/h	78%	94%	0
Sun 8p	Cloudy	30°−1° (likely 29°−2° to 32°0°)	26°−3°	0%	3 mph5 km/h from E, gusts 11 mph18 km/h	83%	96%	0
Sun 9p	Cloudy	28°−2° (likely 28°−2° to 31°−1°)	28°−2°	0%	1 mph2 km/h from SE, gusts 12 mph19 km/h	85%	96%	0
Sun 10p	Cloudy	27°−3° (likely 27°−3° to 31°−1°)	27°−3°	0%	1 mph2 km/h from SE, gusts 10 mph16 km/h	87%	92%	0
Sun 11p	Cloudy	27°−3° (likely 27°−3° to 31°−1°)	27°−3°	0%	1 mph2 km/h from SE, gusts 9 mph14 km/h	84%	89%	0
Mon 12a	Cloudy	27°−3° (likely 27°−3° to 31°−1°)	27°−3°	0%	0 mph0 km/h, gusts 8 mph12 km/h	87%	94%	0
Mon 1a	Cloudy	27°−3° (likely 27°−3° to 31°−1°)	27°−3°	0%	0 mph0 km/h, gusts 7 mph11 km/h	89%	93%	0
Mon 2a	Cloudy	27°−3° (likely 27°−3° to 31°−1°)	27°−3°	0%	0 mph0 km/h, gusts 6 mph10 km/h	88%	93%	0
Mon 3a	Cloudy	25°−4° (likely 25°−4° to 31°−1°)	25°−4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	89%	95%	0
Mon 4a	Cloudy	25°−4° (likely 25°−4° to 30°−1°)	25°−4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	89%	98%	0
Mon 5a	Cloudy	26°−3° (likely 26°−3° to 30°−1°)	26°−3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	98%	0
Mon 6a	Cloudy	23°−5° (likely 23°−5° to 30°−1°)	23°−5°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	89%	97%	0
Mon 7a	Cloudy	25°−4° (likely 25°−4° to 30°−1°)	25°−4°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	88%	62%	0
Mon 8a	Cloudy	26°−3° (likely 26°−3° to 30°−1°)	26°−3°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	90%	67%	0
Mon 9a	Cloudy	27°−3° (likely 27°−3° to 30°−1°)	27°−3°	0%	2 mph3 km/h from SSE, gusts 6 mph10 km/h	91%	81%	0
Mon 10a	Cloudy	30°−1° (likely 30°−1° to 31°−1°)	30°−1°	0%	2 mph3 km/h from SSE, gusts 8 mph12 km/h	87%	97%	1
Mon 11a	Cloudy	33°1° (likely 31°−1° to 33°1°)	33°1°	0%	2 mph3 km/h from SSE, gusts 9 mph14 km/h	80%	97%	2
Mon 12p	Cloudy	36°2° (likely 33°1° to 36°2°)	31°−1°	0%	6 mph10 km/h from SE, gusts 10 mph16 km/h	74%	78%	3
Mon 1p	Cloudy	38°3° (likely 34°1° to 38°3°)	34°1°	0%	6 mph10 km/h from SE, gusts 10 mph16 km/h	69%	87%	3
Mon 2p	Cloudy	40°4° (likely 35°2° to 40°4°)	36°2°	0%	6 mph10 km/h from SE, gusts 10 mph16 km/h	66%	91%	3
Mon 3p	Cloudy	41°5° (likely 36°2° to 41°5°)	36°2°	0%	7 mph11 km/h from SE, gusts 10 mph16 km/h	65%	95%	3

Days ahead

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

Today, Oct 24. Cloudy. High 40°4°, low 23°−5°. Typical 51°11° / 29°−2°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 40°4°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 32°0°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 27°−3°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 40. Southeast wind around 5 mph.
Tonight: Mostly cloudy. Low around 23, with temperatures rising to around 27 overnight. East northeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
40°4°–44°7°
Low, likely
23°−5°–26°−3°
Typical high / low
51°11° / 29°−2°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
4
Tomorrow, Oct 25. Mostly cloudy. High 36°2°, low 21°−6°. Typical 51°11° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 24°−4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 36°2°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 30°−1°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 25°−4°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 36. Northeast wind around 6 mph.
Night: Mostly cloudy, with a low around 21. Northeast wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
32°0°–36°2°
Low, likely
21°−6°–29°−2°
Typical high / low
51°11° / 28°−2°
Wind
9 mph15 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 41°5°, low 28°−2°. Typical 50°10° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 41°5°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 33°1°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 31°−1°
  20% chance · 0.05 in1.1 mm
Official NWS forecast
Day: Mostly cloudy, with a high near 41. East southeast wind 1 to 7 mph.
Night: A chance of rain and snow. Mostly cloudy, with a low around 28. Southwest wind around 3 mph. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
37°3°–41°5°
Low, likely
26°−3°–29°−2°
Typical high / low
50°10° / 28°−2°
Wind
9 mph14 km/h, gusts 15 mph24 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 45°7°, low 28°−2°. Typical 50°10° / 28°−2°. Rain 0.06 in1.5 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 35°2°
  20% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 45°7°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 45. West wind 2 to 18 mph, with gusts as high as 29 mph.
Night: Mostly cloudy, with a low around 28. West wind 3 to 10 mph, with gusts as high as 20 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
44°7°–47°8°
Low, likely
28°−2°–33°1°
Typical high / low
50°10° / 28°−2°
Wind
21 mph33 km/h, gusts 35 mph56 km/h
UV peak
3
Wednesday, Oct 28. Mostly cloudy. High 42°6°, low 23°−5°. Typical 49°9° / 28°−2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 31°0°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 30°−1°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 42.
Night: A slight chance of snow. Mostly cloudy, with a low around 23.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
42°6°–47°8°
Low, likely
23°−5°–33°1°
Typical high / low
49°9° / 28°−2°
Wind
16 mph25 km/h, gusts 34 mph55 km/h
UV peak
3
Thursday, Oct 29. Snow. High 34°1°, low 22°−6°. Typical 49°9° / 27°−3°. Snow 0–3 in0–8 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 29°−2°
  30% chance · 0.2 in0.4 cm
2. Afternoon
  noon–6 PM
  Cloudy, 33°0°
  30% chance · 0.3 in0.8 cm
3. Evening
  6 PM–midnight
  Snow, 29°−2°
  40% chance · 0.2 in0.5 cm
4. Overnight
  midnight–6 AM
  Snow, 25°−4°
  40% chance · 0.2 in0.5 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow. Mostly cloudy, with a high near 34.
Night: A chance of snow. Mostly cloudy, with a low around 22. Little or no snow accumulation expected.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
32°0°–38°3°
Low, likely
22°−6°–28°−2°
Typical high / low
49°9° / 27°−3°
Wind
11 mph18 km/h, gusts 19 mph30 km/h
UV peak
2
Friday, Oct 30. Snow. High 38°3°, low 23°−5°. Typical 49°9° / 27°−3°. Snow 0–2 in0–5 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 25°−4°
  40% chance · 0.2 in0.4 cm
2. Afternoon
  noon–6 PM
  Cloudy, 34°1°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 29°−1°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 26°−4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow before noon. Mostly cloudy, with a high near 38. Little or no snow accumulation expected.
Night: Mostly cloudy, with a low around 23.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
28°−2°–39°4°
Low, likely
19°−7°–28°−2°
Typical high / low
49°9° / 27°−3°
Wind
8 mph13 km/h, gusts 21 mph33 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 36°2°, low 26°−3°. Typical 48°9° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 25°−4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 35°2°
  Dry
3. Evening
  6 PM–midnight
  Clear, 32°0°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 32°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
34°1°–40°4°
Low, likely
18°−8°–35°2°
Typical high / low
48°9° / 27°−3°
Wind
36 mph58 km/h, gusts 53 mph85 km/h
UV peak
2
Sunday, Nov 1. Cloudy. High 41°5°, low 28°−2°. Typical 48°9° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 40°5°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 35°2°
  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
35°2°–47°8°
Low, likely
25°−4°–30°−1°
Typical high / low
48°9° / 26°−3°
Wind
23 mph37 km/h, gusts 49 mph79 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 43°6°, low 30°−1°. Typical 48°9° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 43°6°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 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
34°1°–52°11°
Low, likely
24°−4°–34°1°
Typical high / low
48°9° / 26°−3°
Wind
20 mph31 km/h, gusts 54 mph86 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 40°, low 23°.
Tomorrow
Dry, high 36°, low 21°, cooling off.
Monday
Dry, high 41°, low 28°, warming up.
Rest of week
Mostly dry, highs 34–45°.

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

Teton River near Choteau below South Fork

14 mi

Below flood stage

Level: 4.3 ft

Reading from Sat 2:45 PM · NWS gauge page

For your home

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

Pipes: watch the cold

Tonight’s low: 24°−4°

Overnight low near 24°F — not yet at drip-the-faucets cold, but worth watching if it's forecast to drop further.

Heating this week

About 63% less heating than a typical week.

This week 68Typical 183

Heating degree days, base 65°F

Heat-pump hours, next 7 days

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

47, 17 and 5°F are the test points heat pumps are rated at. About 15 hours are near freezing and damp, when outdoor units defrost more often.

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?

Bynum 4 Sse · official normals 1991–2020 · records 2011–2026

Oct 24, today vs a typical year

Today’s expected high is 11°6° colder than typical.

Last 7 days vs normal

On average 11°6° warmer than normal (daily mean temperature).

+15°+8°SunOct 18
+5°+3°MonOct 19
+12°+7°TueOct 20
+6°+3°WedOct 21
+15°+8°ThuOct 22
+16°+9°FriOct 23
—SatOct 24

Rockport Colony weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 21 min; Losing 3 min 17 s a day; shortest Dec 21, 2 h 0 min less
Golden hour: 5:40–6:44 PM; Morning 7:43–8:46 AM
Blue hour: 6:44–6:56 PM; Morning 7:31–7:43 AM; first light 7:31 AM

Stars tonight? Poor

Clouds most of the night (about 76% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 6:16 AM · rises 5:25 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Rockport Colony. The highest point on the skyline is about 9,300 ft, 66 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.