Observed 2:50 PM MDT at KHLN

Jefferson City, MT weather

Sunny and 41°5°, 10°6° colder than a typical Oct 24, freeze watch tonight, low 25°−4°.

Mostly agree

Now 41°5°

Sunny

Wind: Calm; Up to 5 mph8 km/h through 3 AM
Dew point: 28°−2°; Dry · down to 20°−7° by 2 AM
UV tomorrow: 4Moderate; Moderate 1–5 PM · peak 4
Air quality: 52Moderate; 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 PM–noon (low 25°−4°)
Low 25°−4° tomorrow at 8 AM
Above 30°−1° tomorrow by 11 AM
Hard freeze tomorrow night 8 PM–10 AM (low 26°−3°)

This afternoonNear 43°6° · Clear
TonightDown to 27°−3° by 5 AM · freezing, low 27°−3° · Clear
Tomorrow morningUp to 32°0° by 11 AM · freezing, low 25°−4° · Partly cloudy
Tomorrow afternoonUp to 41°5° by 3 PM · Cloudy
Tomorrow nightDown to 27°−3° by 3 AM · freezing, low 27°−3° · Mostly cloudy
Monday morningUp to 39°4° by 11 AM · freezing, low 26°−3° · Mostly cloudy
Monday afternoonUp to 49°9° by 2 PM · 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 3p	Sunny	43°6° (likely 37°3° to 43°6°)	40°4°	0%	5 mph8 km/h from SSW, gusts 18 mph28 km/h	54%	9%	2
Sat 4p	Sunny	43°6° (likely 38°3° to 43°6°)	40°4°	0%	5 mph8 km/h from SSW, gusts 16 mph25 km/h	54%	7%	1
Sat 5p	Sunny	43°6° (likely 36°2° to 43°6°)	41°5°	0%	3 mph5 km/h from S, gusts 16 mph25 km/h	54%	5%	1
Sat 6p	Clear	38°3° (likely 32°0° to 38°3°)	36°2°	0%	3 mph5 km/h from S, gusts 13 mph20 km/h	71%	6%	1
Sat 7p	Clear	35°2° (likely 29°−2° to 35°2°)	35°2°	0%	2 mph3 km/h from S, gusts 8 mph12 km/h	76%	10%	0
Sat 8p	Clear	31°−1° (likely 27°−3° to 34°1°)	28°−2°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	77%	11%	0
Sat 9p	Clear	30°−1° (likely 25°−4° to 34°1°)	25°−4°	0%	5 mph8 km/h from SSW, gusts 7 mph12 km/h	76%	15%	0
Sat 10p	Mostly clear	31°−1° (likely 24°−4° to 33°1°)	26°−3°	0%	5 mph8 km/h from SSW, gusts 9 mph15 km/h	72%	21%	0
Sat 11p	Clear	30°−1° (likely 24°−4° to 33°1°)	25°−4°	0%	5 mph8 km/h from SSW, gusts 8 mph13 km/h	72%	23%	0
Sun 12a	Clear	30°−1° (likely 24°−4° to 33°1°)	26°−3°	0%	3 mph5 km/h from SSW, gusts 7 mph11 km/h	71%	7%	0
Sun 1a	Clear	29°−2° (likely 24°−4° to 33°1°)	29°−2°	0%	2 mph3 km/h from SSW, gusts 5 mph8 km/h	71%	7%	0
Sun 2a	Clear	29°−2° (likely 24°−4° to 33°1°)	29°−2°	0%	2 mph3 km/h from SSW, gusts 3 mph6 km/h	70%	9%	0
Sun 3a	Clear	28°−2° (likely 24°−4° to 33°1°)	28°−2°	0%	1 mph2 km/h from SSW, gusts 3 mph4 km/h	71%	3%	0
Sun 4a	Clear	28°−2° (likely 23°−5° to 33°1°)	28°−2°	0%	1 mph2 km/h from SSW, gusts 4 mph6 km/h	70%	16%	0
Sun 5a	Clear	27°−3° (likely 23°−5° to 33°1°)	27°−3°	0%	2 mph3 km/h from NNE, gusts 3 mph5 km/h	72%	20%	0
Sun 6a	Clear	27°−3° (likely 23°−5° to 32°0°)	23°−5°	0%	3 mph5 km/h from N, gusts 4 mph6 km/h	75%	22%	0
Sun 7a	Clear	26°−3° (likely 23°−5° to 31°−1°)	22°−6°	0%	3 mph5 km/h from NNE, gusts 3 mph5 km/h	81%	26%	0
Sun 8a	Partly sunny	25°−4° (likely 22°−6° to 30°−1°)	21°−6°	0%	3 mph5 km/h from NNE, gusts 4 mph7 km/h	82%	41%	0
Sun 9a	Partly sunny	26°−3° (likely 23°−5° to 30°−1°)	20°−7°	0%	5 mph8 km/h from NNE, gusts 3 mph5 km/h	82%	57%	0
Sun 10a	Partly sunny	29°−2° (likely 26°−3° to 31°−1°)	25°−4°	0%	3 mph5 km/h from NNE, gusts 4 mph6 km/h	79%	92%	1
Sun 11a	Cloudy	32°0° (likely 29°−2° to 32°0°)	29°−2°	0%	3 mph5 km/h from NNE, gusts 6 mph10 km/h	76%	97%	2
Sun 12p	Cloudy	35°2° (likely 31°−1° to 35°2°)	32°0°	0%	3 mph5 km/h from NNE, gusts 6 mph10 km/h	72%	97%	2
Sun 1p	Cloudy	38°3° (likely 33°1° to 38°3°)	36°2°	0%	3 mph5 km/h from NNE, gusts 6 mph10 km/h	69%	94%	3
Sun 2p	Cloudy	39°4° (likely 34°1° to 39°4°)	37°3°	0%	3 mph5 km/h from NNE, gusts 6 mph10 km/h	66%	89%	4
Sun 3p	Cloudy	41°5° (likely 35°2° to 41°5°)	39°4°	0%	3 mph5 km/h from NNE, gusts 7 mph11 km/h	64%	84%	3
Sun 4p	Cloudy	41°5° (likely 34°1° to 41°5°)	39°4°	0%	3 mph5 km/h from NNE, gusts 7 mph11 km/h	64%	82%	3
Sun 5p	Partly sunny	40°4° (likely 32°0° to 40°4°)	40°4°	0%	2 mph3 km/h from NNE, gusts 7 mph11 km/h	64%	81%	1
Sun 6p	Cloudy	35°2° (likely 29°−2° to 36°2°)	35°2°	0%	0 mph0 km/h, gusts 7 mph11 km/h	74%	80%	1
Sun 7p	Cloudy	33°1° (likely 27°−3° to 34°1°)	33°1°	0%	0 mph0 km/h, gusts 6 mph9 km/h	78%	75%	0
Sun 8p	Cloudy	30°−1° (likely 26°−3° to 33°1°)	30°−1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	79%	71%	0
Sun 9p	Mostly cloudy	29°−2° (likely 25°−4° to 32°0°)	29°−2°	0%	1 mph2 km/h from E, gusts 3 mph4 km/h	79%	72%	0
Sun 10p	Mostly cloudy	29°−2° (likely 24°−4° to 31°−1°)	29°−2°	0%	1 mph2 km/h from E, gusts 2 mph4 km/h	79%	78%	0
Sun 11p	Mostly cloudy	28°−2° (likely 24°−4° to 31°−1°)	28°−2°	0%	1 mph2 km/h from E, gusts 2 mph4 km/h	79%	89%	0
Mon 12a	Mostly cloudy	28°−2° (likely 24°−4° to 30°−1°)	24°−4°	0%	3 mph5 km/h from S, gusts 2 mph3 km/h	79%	92%	0
Mon 1a	Mostly cloudy	28°−2° (likely 24°−4° to 31°−1°)	24°−4°	0%	3 mph5 km/h from S, gusts 2 mph4 km/h	79%	80%	0
Mon 2a	Mostly cloudy	28°−2° (likely 23°−5° to 30°−1°)	24°−4°	0%	3 mph5 km/h from S, gusts 3 mph4 km/h	78%	81%	0
Mon 3a	Partly cloudy	27°−3° (likely 23°−5° to 31°−1°)	20°−7°	0%	6 mph10 km/h from S, gusts 3 mph4 km/h	79%	85%	0
Mon 4a	Partly cloudy	28°−2° (likely 23°−5° to 30°−1°)	22°−6°	0%	6 mph10 km/h from S, gusts 3 mph5 km/h	77%	79%	0
Mon 5a	Partly cloudy	28°−2° (likely 23°−5° to 30°−1°)	22°−6°	0%	6 mph10 km/h from S, gusts 4 mph6 km/h	77%	86%	0
Mon 6a	Partly cloudy	26°−3° (likely 23°−5° to 30°−1°)	17°−8°	0%	9 mph14 km/h from S, gusts 3 mph6 km/h	77%	79%	0
Mon 7a	Mostly cloudy	28°−2° (likely 25°−4° to 31°−1°)	19°−7°	0%	9 mph14 km/h from S, gusts 4 mph6 km/h	78%	62%	0
Mon 8a	Cloudy	28°−2° (likely 27°−3° to 32°0°)	19°−7°	0%	9 mph14 km/h from S, gusts 3 mph6 km/h	78%	82%	0
Mon 9a	Cloudy	29°−2° (likely 29°−2° to 33°1°)	19°−7°	0%	12 mph19 km/h from S, gusts 4 mph7 km/h	76%	81%	0
Mon 10a	Cloudy	33°1° (likely 33°1° to 37°3°)	24°−4°	0%	12 mph19 km/h from S, gusts 6 mph9 km/h	72%	86%	1
Mon 11a	Cloudy	39°4° (likely 37°3° to 42°6°)	32°0°	0%	12 mph19 km/h from S, gusts 10 mph16 km/h	66%	89%	2
Mon 12p	Cloudy	44°7° (likely 41°5° to 46°8°)	40°4°	0%	7 mph11 km/h from SSE, gusts 11 mph18 km/h	61%	83%	3
Mon 1p	Partly sunny	47°8° (likely 42°6° to 49°9°)	44°7°	0%	7 mph11 km/h from SSE, gusts 11 mph18 km/h	57%	56%	3
Mon 2p	Partly sunny	49°9° (likely 45°7° to 51°11°)	46°8°	0%	7 mph11 km/h from SSE, gusts 11 mph17 km/h	54%	64%	4

Days ahead

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

Today, Oct 24. Mostly sunny. High 43°6°, low 25°−4°. Typical 53°12° / 25°−4°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 43°6°
  Dry
2. Evening
  6 PM–midnight
  Clear, 31°−1°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 27°−3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 43. South southwest wind around 5 mph.
Tonight: Mostly clear, with a low around 25. South southwest wind 1 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
39°4°–43°6°
Low, likely
17°−8°–25°−4°
Typical high / low
53°12° / 25°−4°
Wind
20 mph32 km/h, gusts 31 mph50 km/h
UV peak
4
Tomorrow, Oct 25. Fog. High 41°5°, low 25°−4°. Typical 53°12° / 24°−4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 25°−4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 41°5°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 30°−1°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 27°−3°
  Dry
Official NWS forecast
Day: Sunny, with a high near 41. North northeast wind around 5 mph.
Night: Mostly cloudy, with a low around 25. East southeast wind 0 to 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
35°2°–41°5°
Low, likely
22°−6°–30°−1°
Typical high / low
53°12° / 24°−4°
Wind
5 mph8 km/h, gusts 12 mph19 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 49°9°, low 33°1°. Typical 52°11° / 24°−4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 49°10°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 38°3°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 37°3°
  50% chance · 0.08 in2.1 mm
Official NWS forecast
Day: Mostly sunny, with a high near 49. South southeast wind 6 to 12 mph.
Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 33. South wind around 6 mph. Chance of precipitation is 50%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
44°7°–52°11°
Low, likely
22°−6°–33°1°
Typical high / low
52°11° / 24°−4°
Wind
6 mph9 km/h, gusts 20 mph31 km/h
UV peak
4
Tuesday, Oct 27. Drizzle. High 44°7°, low 28°−2°. Typical 52°11° / 24°−4°. Rain 0.1 in2.5 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 38°3°
  50% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 45°7°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 36°2°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 31°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and snow. Mostly cloudy, with a high near 44. West southwest wind 7 to 13 mph, with gusts as high as 20 mph. New snow accumulation of less than half an inch possible.
Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 28. Southwest wind 5 to 10 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
40°4°–47°8°
Low, likely
28°−2°–35°2°
Typical high / low
52°11° / 24°−4°
Wind
13 mph21 km/h, gusts 26 mph42 km/h
UV peak
2
Wednesday, Oct 28. Partly sunny. High 45°7°, low 27°−3°. Typical 51°11° / 24°−4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 47°8°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 31°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 45.
Night: Partly cloudy, with a low around 27.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
43°6°–48°9°
Low, likely
25°−4°–32°0°
Typical high / low
51°11° / 24°−4°
Wind
10 mph16 km/h, gusts 26 mph42 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 43°6°, low 27°−3°. Typical 51°11° / 23°−5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 44°7°
  20% chance
3. Evening
  6 PM–midnight
  Snow, 36°2°
  40% chance · 0.01 in0.4 mm
4. Overnight
  midnight–6 AM
  Snow, 28°−2°
  40% chance · 0.1 in0.4 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 43.
Night: A chance of snow. Mostly cloudy, with a low around 27.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
38°3°–49°9°
Low, likely
26°−3°–32°0°
Typical high / low
51°11° / 23°−5°
Wind
7 mph11 km/h, gusts 20 mph32 km/h
UV peak
3
Friday, Oct 30. Snow. High 43°6°, low 26°−3°. Typical 50°10° / 23°−5°. Snow 0–2 in0–5 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 28°−2°
  30% chance · 0.2 in0.4 cm
2. Afternoon
  noon–6 PM
  Drizzle, 36°2°
  30% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Drizzle, 31°−1°
  30% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 26°−4°
  20% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow before noon, then a chance of rain and snow. Partly sunny, with a high near 43.
Night: A slight chance of snow. Mostly cloudy, with a low around 26.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
31°−1°–43°6°
Low, likely
23°−5°–30°−1°
Typical high / low
50°10° / 23°−5°
Wind
4 mph7 km/h, gusts 17 mph27 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 35°2°, low 24°−4°. Typical 50°10° / 23°−5°. Rain 0.03 in0.8 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 35°1°
  Dry
3. Evening
  6 PM–midnight
  Clear, 29°−2°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 27°−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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
33°1°–38°3°
Low, likely
18°−8°–29°−2°
Typical high / low
50°10° / 23°−5°
Wind
16 mph26 km/h, gusts 23 mph37 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 41°5°, low 26°−3°. Typical 49°9° / 22°−6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 31°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 43°6°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 36°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 36°2°
  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
36°2°–48°9°
Low, likely
24°−4°–30°−1°
Typical high / low
49°9° / 22°−6°
Wind
13 mph21 km/h, gusts 31 mph50 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 42°6°, low 29°−2°. Typical 49°9° / 22°−6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 44°7°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 35°2°
  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
36°2°–49°9°
Low, likely
26°−3°–32°0°
Typical high / low
49°9° / 22°−6°
Wind
8 mph13 km/h, gusts 41 mph65 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 43°, low 25°.
Tomorrow
Dry, high 41°, low 25°.
Monday
Dry, high 49°, low 33°, warming up.
Rest of week
Highs 35–45°; chance of precipitation on Tuesday.

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

For your home

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

Pipes: watch the cold

Tonight’s low: 25°−4°

Overnight low near 25°F — not yet at drip-the-faucets cold, but worth watching if it's forecast to drop further.

Heating this week

About 67% less heating than a typical week.

This week 64Typical 191

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 46
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 28°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?

Boulder · official normals 1991–2020 · records 1880–2026

Oct 24, today vs a typical year

Today’s expected high is 10°6° colder than typical.

Last 7 days vs normal

On average 5°3° warmer than normal (daily mean temperature).

+4°+2°SunOct 18
+4°+2°MonOct 19
+9°+5°TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Jefferson City 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: 5:43–6:44 PM; Morning 7:39–8:40 AM
Blue hour: 6:44–6:56 PM; Morning 7:27–7:39 AM; first light 7:27 AM

Stars tonight? Fair

Mostly clear 6:56 PM–7 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 6:13 AM · rises 5:26 PM
Full moon: Oct 25
New moon: Nov 9

Looking southeast from Jefferson City. The highest point on the skyline is about 8,500 ft, 9 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.