Observed 10:55 PM MDT at K1KM

Springwater Colony, MT weather

Clear and 29°−1°, 9°5° colder than a typical Oct 24, freeze watch tonight, low 23°−5°.

Forecasts agree

Now 29°−1°

Clear · Feels like 22°−5°

Feels like: 22°−5°; Wind chill from 7 mph11 km/h wind · air 29°−1°
Wind: 7 mph11 km/h; From the north-northeast. 58–7 mph11 km/h through 11 AM
Dew point: 24°−4°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 12–4 PM · peak 4
Pressure: 30.22 inHg1023 hPa; Rising slowly · +0.02 inHg+0.7 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Hard freeze until 11 AM tomorrow (low 23°−5°)
Above 30°−1° tomorrow by 10 AM
High 43°6° tomorrow at 3 PM
Hard freeze tomorrow night 8 PM–11 AM (low 24°−4°)
Fog Monday night from 9 PM

TonightNear 26°−3° · freezing, low 24°−4° · Clear
Tomorrow morningUp to 35°2° by 11 AM · freezing, low 23°−5° · Clear
Tomorrow afternoonUp to 43°6° by 3 PM · Clear
Tomorrow nightDown to 25°−4° by 5 AM · freezing, low 25°−4° · Clear
Monday morningUp to 35°2° by 11 AM · freezing, low 24°−4° · Partly cloudy
Monday afternoonUp to 44°7° by 3 PM · Clear
Monday nightDown to 32°0° by 10 PM · rain chance 10% · freezing, low 32°0° · Partly 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 11p	Clear	27°−3° (likely 27°−3° to 33°1°)	23°−5°	0%	3 mph5 km/h from N, gusts 3 mph4 km/h	73%	1%	0
Sun 12a	Clear	26°−3° (likely 26°−3° to 32°0°)	20°−7°	0%	5 mph8 km/h from N, gusts 4 mph6 km/h	75%	1%	0
Sun 1a	Clear	26°−3° (likely 26°−3° to 32°0°)	19°−7°	0%	6 mph10 km/h from NNW, gusts 4 mph7 km/h	76%	1%	0
Sun 2a	Clear	25°−4° (likely 25°−4° to 32°0°)	17°−8°	0%	7 mph11 km/h from NW, gusts 5 mph8 km/h	78%	0%	0
Sun 3a	Clear	25°−4° (likely 25°−4° to 32°0°)	17°−8°	0%	7 mph11 km/h from WNW, gusts 4 mph7 km/h	78%	0%	0
Sun 4a	Clear	25°−4° (likely 25°−4° to 31°−1°)	18°−8°	0%	6 mph10 km/h from WNW, gusts 5 mph8 km/h	77%	0%	0
Sun 5a	Clear	24°−4° (likely 24°−4° to 30°−1°)	17°−8°	0%	6 mph10 km/h from NW, gusts 6 mph9 km/h	79%	0%	0
Sun 6a	Clear	24°−4° (likely 24°−4° to 29°−2°)	17°−8°	0%	6 mph10 km/h from NNW, gusts 11 mph17 km/h	80%	0%	0
Sun 7a	Clear	24°−4° (likely 24°−4° to 31°−1°)	17°−8°	0%	6 mph10 km/h from N, gusts 11 mph18 km/h	83%	0%	0
Sun 8a	Sunny	23°−5° (likely 23°−5° to 31°−1°)	16°−9°	0%	6 mph10 km/h from N, gusts 10 mph16 km/h	81%	0%	0
Sun 9a	Sunny	26°−3° (likely 26°−3° to 33°1°)	18°−8°	0%	7 mph11 km/h from N, gusts 11 mph18 km/h	78%	0%	0
Sun 10a	Sunny	31°−1° (likely 31°−1° to 36°2°)	26°−3°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	71%	0%	1
Sun 11a	Sunny	35°2° (likely 35°2° to 39°4°)	31°−1°	0%	5 mph8 km/h from E, gusts 6 mph10 km/h	61%	3%	2
Sun 12p	Sunny	39°4° (likely 39°4° to 42°6°)	35°2°	0%	6 mph10 km/h from ESE, gusts 7 mph12 km/h	53%	1%	3
Sun 1p	Sunny	41°5° (likely 41°5° to 44°7°)	36°2°	0%	8 mph13 km/h from ESE, gusts 10 mph17 km/h	46%	1%	4
Sun 2p	Sunny	42°6° (likely 42°6° to 45°7°)	36°2°	0%	10 mph16 km/h from ESE, gusts 12 mph19 km/h	43%	0%	4
Sun 3p	Sunny	43°6° (likely 43°6° to 46°8°)	36°2°	0%	13 mph21 km/h from ESE, gusts 13 mph21 km/h	42%	0%	3
Sun 4p	Sunny	42°6° (likely 42°6° to 45°7°)	35°2°	0%	14 mph23 km/h from ESE, gusts 15 mph23 km/h	42%	0%	2
Sun 5p	Sunny	41°5° (likely 41°5° to 44°7°)	33°1°	0%	15 mph24 km/h from ESE, gusts 16 mph26 km/h	44%	0%	1
Sun 6p	Clear	37°3° (likely 37°3° to 40°4°)	31°−1°	0%	8 mph13 km/h from E, gusts 16 mph26 km/h	57%	0%	0
Sun 7p	Clear	33°1° (likely 33°1° to 37°3°)	26°−3°	0%	8 mph13 km/h from E, gusts 12 mph20 km/h	65%	0%	0
Sun 8p	Clear	31°−1° (likely 31°−1° to 35°2°)	24°−4°	0%	8 mph13 km/h from E, gusts 10 mph16 km/h	72%	0%	0
Sun 9p	Clear	30°−1° (likely 30°−1° to 34°1°)	25°−4°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	76%	3%	0
Sun 10p	Clear	29°−2° (likely 29°−2° to 33°1°)	24°−4°	0%	5 mph8 km/h from E, gusts 5 mph9 km/h	76%	0%	0
Sun 11p	Clear	28°−2° (likely 28°−2° to 33°1°)	23°−5°	0%	5 mph8 km/h from E, gusts 4 mph6 km/h	78%	0%	0
Mon 12a	Clear	27°−3° (likely 27°−3° to 33°1°)	23°−5°	5%	3 mph5 km/h from ESE, gusts 8 mph12 km/h	80%	0%	0
Mon 1a	Clear	27°−3° (likely 27°−3° to 32°0°)	23°−5°	5%	3 mph5 km/h from ESE, gusts 7 mph12 km/h	80%	6%	0
Mon 2a	Clear	26°−3° (likely 26°−3° to 32°0°)	22°−6°	5%	3 mph5 km/h from ESE, gusts 8 mph12 km/h	85%	28%	0
Mon 3a	Clear	26°−3° (likely 26°−3° to 31°−1°)	20°−7°	5%	5 mph8 km/h from ESE, gusts 7 mph11 km/h	87%	40%	0
Mon 4a	Clear	26°−3° (likely 26°−3° to 31°−1°)	20°−7°	5%	5 mph8 km/h from ESE, gusts 3 mph5 km/h	87%	39%	0
Mon 5a	Clear	25°−4° (likely 25°−4° to 31°−1°)	19°−7°	5%	5 mph8 km/h from ESE, gusts 2 mph3 km/h	90%	22%	0
Mon 6a	Clear	26°−3° (likely 25°−4° to 31°−1°)	20°−7°	0%	5 mph8 km/h from SE, gusts 2 mph3 km/h	92%	40%	0
Mon 7a	Clear	24°−4° (likely 24°−4° to 30°−1°)	18°−8°	0%	5 mph8 km/h from SE, gusts 3 mph5 km/h	96%	40%	0
Mon 8a	Sunny	25°−4° (likely 24°−4° to 29°−2°)	19°−7°	0%	5 mph8 km/h from SE, gusts 3 mph4 km/h	96%	41%	0
Mon 9a	Sunny	28°−2° (likely 26°−3° to 31°−1°)	23°−5°	0%	5 mph8 km/h from SE, gusts 2 mph4 km/h	93%	41%	0
Mon 10a	Sunny	31°−1° (likely 29°−2° to 34°1°)	26°−3°	0%	5 mph8 km/h from SE, gusts 4 mph7 km/h	88%	41%	1
Mon 11a	Mostly cloudy	35°2° (likely 32°0° to 37°3°)	31°−1°	0%	5 mph8 km/h from SE, gusts 5 mph8 km/h	82%	46%	2
Mon 12p	Sunny	38°3° (likely 35°2° to 40°4°)	34°1°	0%	6 mph10 km/h from SE, gusts 7 mph11 km/h	75%	27%	3
Mon 1p	Sunny	41°5° (likely 38°3° to 42°6°)	37°3°	0%	6 mph10 km/h from SE, gusts 10 mph16 km/h	67%	13%	4
Mon 2p	Mostly sunny	43°6° (likely 41°5° to 44°7°)	39°4°	0%	6 mph10 km/h from SE, gusts 10 mph17 km/h	61%	16%	4
Mon 3p	Mostly sunny	44°7° (likely 42°6° to 45°7°)	38°3°	0%	10 mph16 km/h from SE, gusts 11 mph18 km/h	57%	25%	3
Mon 4p	Mostly sunny	43°6° (likely 42°6° to 46°8°)	37°3°	0%	10 mph16 km/h from SE, gusts 12 mph20 km/h	58%	36%	2
Mon 5p	Sunny	42°6° (likely 41°5° to 47°8°)	36°2°	0%	10 mph16 km/h from SE, gusts 14 mph22 km/h	63%	32%	1
Mon 6p	Clear	40°4° (likely 39°4° to 43°6°)	35°2°	10%	8 mph13 km/h from ESE, gusts 11 mph18 km/h	70%	40%	0
Mon 7p	Partly cloudy	38°3° (likely 35°2° to 42°6°)	32°0°	10%	8 mph13 km/h from ESE, gusts 10 mph16 km/h	78%	72%	0
Mon 8p	Partly cloudy	35°2° (likely 33°1° to 40°4°)	28°−2°	10%	8 mph13 km/h from ESE, gusts 6 mph10 km/h	88%	35%	0
Mon 9p	Fog	33°1° (likely 29°−2° to 39°4°)	29°−2°	10%	5 mph8 km/h from ESE, gusts 3 mph5 km/h	95%	61%	0
Mon 10p	Fog	32°0° (likely 26°−3° to 38°3°)	27°−3°	10%	5 mph8 km/h from ESE, gusts 3 mph5 km/h	99%	63%	0

Days ahead

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

Today, Oct 24. Cloudy. High 44°7°, low 22°−6°. Typical 53°12° / 27°−3°. Rain, 20% chance. Forecasts agree.
1. Overnight
  midnight–6 AM
  Clear, 24°−4°
  Dry
Official NWS forecast
Tonight: Mostly clear. Low around 22, with temperatures rising to around 24 overnight. North northwest wind 3 to 7 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
43°6°–46°8°
Low, likely
22°−6°–29°−2°
Typical high / low
53°12° / 27°−3°
Wind
14 mph23 km/h, gusts 24 mph38 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 43°6°, low 23°−5°. Typical 53°12° / 26°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 23°−5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 43°6°
  Dry
3. Evening
  6 PM–midnight
  Clear, 31°−1°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 25°−4°
  Dry
Official NWS forecast
Day: Sunny. High near 43, with temperatures falling to around 41 in the afternoon. Northeast wind 5 to 15 mph.
Night: Partly cloudy. Low around 23, with temperatures rising to around 25 overnight. East southeast wind 3 to 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
43°6°–46°8°
Low, likely
23°−5°–28°−2°
Typical high / low
53°12° / 26°−3°
Wind
13 mph21 km/h, gusts 20 mph32 km/h
UV peak
4
Monday, Oct 26. Fog. High 44°7°, low 26°−3°. Typical 53°12° / 26°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 25°−4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 44°7°
  Dry
3. Evening
  6 PM–midnight
  Fog, 35°2°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 33°0°
  30% chance
Official NWS forecast
Day: Patchy fog before 9am. Partly sunny. High near 44, with temperatures falling to around 42 in the afternoon. Southeast wind 5 to 10 mph.
Night: Patchy fog between 9pm and midnight, then a slight chance of rain and snow showers between midnight and 3am, then patchy fog and a slight chance of snow showers. Mostly cloudy. Low around 26, with temperatures rising to around 28 overnight. Southeast wind 3 to 8 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
42°6°–47°8°
Low, likely
23°−5°–29°−2°
Typical high / low
53°12° / 26°−3°
Wind
9 mph15 km/h, gusts 17 mph27 km/h
UV peak
4
Tuesday, Oct 27. Snow. High 47°8°, low 26°−3°. Typical 52°11° / 26°−3°. Snow 0.04 in1 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 38°3°
  50% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Sunny, 48°9°
  50% chance
3. Evening
  6 PM–midnight
  Clear, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and snow showers. Mostly cloudy. High near 47, with temperatures falling to around 44 in the afternoon. West southwest wind 6 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 40%.
Night: Partly cloudy. Low around 26, with temperatures rising to around 28 overnight. West wind 13 to 17 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
46°8°–50°10°
Low, likely
26°−3°–36°2°
Typical high / low
52°11° / 26°−3°
Wind
27 mph43 km/h, gusts 42 mph67 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 49°9°, low 24°−4°. Typical 52°11° / 26°−3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 31°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 28°−2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny. High near 49, with temperatures falling to around 45 in the afternoon. West wind 5 to 12 mph.
Night: Partly cloudy. Low around 24, with temperatures rising to around 26 overnight. North wind around 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
49°9°–51°11°
Low, likely
24°−4°–34°1°
Typical high / low
52°11° / 26°−3°
Wind
16 mph26 km/h, gusts 34 mph55 km/h
UV peak
3
Thursday, Oct 29. Cloudy. High 45°7°, low 24°−4°. Typical 51°11° / 25°−4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 37°3°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 31°0°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny. High near 45, with temperatures falling to around 41 in the afternoon. Southeast wind 3 to 7 mph.
Night: A chance of rain and snow showers. Mostly cloudy. Low around 24, with temperatures rising to around 26 overnight. North wind 3 to 8 mph. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
44°7°–50°10°
Low, likely
24°−4°–29°−2°
Typical high / low
51°11° / 25°−4°
Wind
16 mph25 km/h, gusts 23 mph37 km/h
UV peak
3
Friday, Oct 30. Snow. High 44°7°, low 24°−4°. Typical 51°11° / 25°−4°. Snow 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 30°−1°
  30% chance
2. Afternoon
  noon–6 PM
  Mostly sunny, 44°7°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 38°4°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 33°0°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of snow showers before noon. Partly sunny. High near 44, with temperatures falling to around 42 in the afternoon. South southwest wind around 6 mph. Chance of precipitation is 20%.
Night: A slight chance of rain and snow showers. Mostly cloudy. Low around 24, with temperatures rising to around 26 overnight. North northwest wind around 7 mph. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
36°2°–51°11°
Low, likely
24°−4°–34°1°
Typical high / low
51°11° / 25°−4°
Wind
14 mph23 km/h, gusts 25 mph40 km/h
UV peak
3
Saturday, Oct 31. Mostly cloudy. High 45°7°, low 32°0°. Typical 51°11° / 24°−4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  20% chance · 0.04 in1 mm
2. Afternoon
  noon–6 PM
  Sunny, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny. High near 45, with temperatures falling to around 42 in the afternoon. West northwest wind around 7 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
40°4°–53°12°
Low, likely
26°−3°–38°3°
Typical high / low
51°11° / 24°−4°
Wind
17 mph27 km/h, gusts 24 mph39 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 47°8°, low 32°0°. Typical 50°10° / 24°−4°. Rain 0.06 in1.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 42°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  20% chance
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
44°7°–52°11°
Low, likely
27°−3°–36°2°
Typical high / low
50°10° / 24°−4°
Wind
22 mph36 km/h, gusts 42 mph67 km/h
UV peak
2
Monday, Nov 2. Cloudy. High 47°8°, low 34°1°. Typical 50°10° / 24°−4°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 40°5°
  20% chance
2. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 39°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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–54°12°
Low, likely
30°−1°–36°2°
Typical high / low
50°10° / 24°−4°
Wind
29 mph47 km/h, gusts 52 mph84 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 44°, low 22°.
Tomorrow
Dry, high 43°, low 23°.
Monday
Dry, high 44°, low 26°.
Rest of week
Highs 44–49°; chance of precipitation on Tuesday.

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

Musselshell River near Harlowton

4.6 mi

Below flood stage

Level: 2.9 ft

Reading from Sat 10 PM · NWS gauge page

Musselshell River near Shawmut

17 mi

Below flood stage

Level: 2.4 ft

Reading from Sat 10:30 PM · NWS gauge page

Musselshell River near Martinsdale

24 mi

Level: 1.4 ft

Reading from Sat 10:15 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: 23°−5°

Overnight low near 23°F — not yet at drip-the-faucets cold, but worth watching if it's forecast to drop further.

Heating this week

About 65% less heating than a typical week.

This week 65Typical 182

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 6 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 24°F). Indoor air will run dry too — a humidifier keeping indoor relative humidity in the 30–50% range is more comfortable and cuts static shocks, without going so high it fogs cold windows.

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Harlowton · official normals 1991–2020 · records 1948–2026

Oct 24, today vs a typical year

Today’s expected high is 9°5° colder than typical.

Last 7 days vs normal

—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24
—SunOct 25

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

Sun & moon

Sun

Daylight: 10 h 27 min; Losing 3 min 12 s a day; shortest Dec 21, 1 h 52 min less
Golden hour: 5:34–6:35 PM; Morning 7:30–8:31 AM
Blue hour: 6:35–6:47 PM; Morning 7:18–7:30 AM; first light 7:18 AM

Stars tonight? Fair

Clear 11:55 PM–7:19 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

99% lit · growing

Today: sets 6:03 AM · rises 5:17 PM
Full moon: Oct 25
New moon: Nov 9

Looking southwest from Springwater Colony. The highest point on the skyline is about 12,500 ft, 81 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.