Model estimate for 5:00 PM MDT (no recent station report)

Eureka, MT weather

Sunny and 52°11°.

Mostly agree

Now 52°11°

Sunny

Wind: Calm; Light through 5 AM
Dew point: 31°−1°; Dry, static shocks likely
UV tomorrow: 3Moderate; Moderate 2–3 PM · peak 3

None rain now, through the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 33°1° tomorrow at 8 AM
Above 40°4° tomorrow by noon
Below 40°4° tomorrow night after 8 PM
Hard freeze tomorrow night 10 PM–11 AM (low 25°−4°)

TonightDown to 35°2° by 4 AM · Mostly cloudy
Tomorrow morningUp to 39°4° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 48°9° by 2 PM · Mostly cloudy
Tomorrow nightDown to 25°−4° by 5 AM · freezing, low 25°−4° · Mostly cloudy
Monday morningUp to 34°1° by 11 AM · freezing, low 25°−4° · Mostly cloudy
Monday afternoonUp to 50°10° 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 5p	Sunny	52°11° (likely 49°9° to 54°12°)	52°11°	0%	2 mph3 km/h from SSE, gusts 6 mph10 km/h	44%	36%	1
Sat 6p	Sunny	49°9° (likely 47°8° to 50°10°)	49°9°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	47%	37%	1
Sat 7p	Mostly cloudy	46°8° (likely 44°7° to 47°8°)	46°8°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	58%	54%	0
Sat 8p	Cloudy	42°6° (likely 42°6° to 46°8°)	40°4°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	62%	72%	0
Sat 9p	Clear	42°6° (likely 41°5° to 45°7°)	40°4°	0%	3 mph5 km/h from SE, gusts 7 mph12 km/h	67%	44%	0
Sat 10p	Cloudy	41°5° (likely 40°4° to 44°7°)	39°4°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	70%	81%	0
Sat 11p	Cloudy	41°5° (likely 40°4° to 44°7°)	41°5°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	75%	78%	0
Sun 12a	Cloudy	41°5° (likely 40°4° to 43°6°)	41°5°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	81%	87%	0
Sun 1a	Cloudy	39°4° (likely 39°4° to 42°6°)	39°4°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	83%	82%	0
Sun 2a	Cloudy	38°3° (likely 38°3° to 41°5°)	38°3°	0%	2 mph3 km/h from ESE, gusts 6 mph10 km/h	85%	83%	0
Sun 3a	Cloudy	36°2° (likely 36°2° to 40°4°)	33°1°	0%	3 mph5 km/h from NNW, gusts 4 mph6 km/h	91%	73%	0
Sun 4a	Cloudy	35°2° (likely 35°2° to 39°4°)	32°0°	0%	3 mph5 km/h from NW, gusts 6 mph10 km/h	94%	75%	0
Sun 5a	Cloudy	35°2° (likely 35°2° to 38°3°)	32°0°	0%	3 mph5 km/h from NW, gusts 6 mph10 km/h	94%	76%	0
Sun 6a	Cloudy	34°1° (likely 33°1° to 38°3°)	34°1°	0%	2 mph3 km/h from NW, gusts 6 mph10 km/h	96%	77%	0
Sun 7a	Cloudy	34°1° (likely 32°0° to 37°3°)	34°1°	0%	2 mph3 km/h from NNW, gusts 6 mph10 km/h	95%	79%	0
Sun 8a	Cloudy	33°1° (likely 32°0° to 36°2°)	33°1°	0%	2 mph3 km/h from NNW, gusts 7 mph11 km/h	97%	79%	0
Sun 9a	Cloudy	33°1° (likely 32°0° to 36°2°)	33°1°	0%	2 mph3 km/h from NNW, gusts 6 mph10 km/h	97%	80%	0
Sun 10a	Cloudy	37°3° (likely 35°2° to 39°4°)	37°3°	0%	2 mph3 km/h from NNW, gusts 7 mph11 km/h	87%	80%	1
Sun 11a	Cloudy	39°4° (likely 39°4° to 44°7°)	37°3°	0%	3 mph5 km/h from NNW, gusts 6 mph9 km/h	81%	75%	1
Sun 12p	Cloudy	41°5° (likely 41°5° to 47°8°)	39°4°	0%	3 mph5 km/h from NNW, gusts 9 mph14 km/h	69%	76%	2
Sun 1p	Cloudy	45°7° (likely 44°7° to 50°10°)	44°7°	0%	3 mph5 km/h from NW, gusts 10 mph17 km/h	58%	77%	2
Sun 2p	Cloudy	48°9° (likely 46°8° to 53°12°)	47°8°	0%	3 mph5 km/h from NNW, gusts 10 mph16 km/h	50%	78%	3
Sun 3p	Cloudy	48°9° (likely 47°8° to 55°13°)	47°8°	0%	3 mph5 km/h from NNW, gusts 10 mph16 km/h	45%	80%	2
Sun 4p	Cloudy	48°9° (likely 47°8° to 57°14°)	47°8°	0%	3 mph5 km/h from NNW, gusts 9 mph14 km/h	44%	81%	2
Sun 5p	Cloudy	48°9° (likely 46°8° to 57°14°)	47°8°	0%	3 mph5 km/h from NNW, gusts 13 mph20 km/h	45%	80%	1
Sun 6p	Cloudy	45°7° (likely 43°6° to 52°11°)	45°7°	0%	2 mph3 km/h from N, gusts 14 mph23 km/h	53%	78%	0
Sun 7p	Cloudy	40°4° (likely 40°4° to 47°8°)	40°4°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	67%	78%	0
Sun 8p	Cloudy	38°3° (likely 37°3° to 46°8°)	38°3°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	73%	79%	0
Sun 9p	Cloudy	34°1° (likely 34°1° to 43°6°)	31°−1°	0%	3 mph5 km/h from NNE, gusts 7 mph11 km/h	79%	79%	0
Sun 10p	Cloudy	32°0° (likely 32°0° to 41°5°)	29°−2°	0%	3 mph5 km/h from NNE, gusts 7 mph10 km/h	81%	80%	0
Sun 11p	Cloudy	31°−1° (likely 31°−1° to 39°4°)	28°−2°	0%	3 mph5 km/h from NNE, gusts 7 mph11 km/h	84%	80%	0
Mon 12a	Cloudy	30°−1° (likely 30°−1° to 38°3°)	30°−1°	0%	2 mph3 km/h from N, gusts 7 mph11 km/h	89%	80%	0
Mon 1a	Cloudy	29°−2° (likely 29°−2° to 37°3°)	29°−2°	0%	2 mph3 km/h from N, gusts 7 mph11 km/h	86%	75%	0
Mon 2a	Cloudy	28°−2° (likely 28°−2° to 37°3°)	28°−2°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	87%	62%	0
Mon 3a	Cloudy	27°−3° (likely 27°−3° to 36°2°)	27°−3°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	90%	28%	0
Mon 4a	Cloudy	26°−3° (likely 26°−3° to 35°2°)	26°−3°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	94%	41%	0
Mon 5a	Cloudy	25°−4° (likely 25°−4° to 34°1°)	25°−4°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	94%	78%	0
Mon 6a	Cloudy	26°−3° (likely 26°−3° to 34°1°)	26°−3°	0%	1 mph2 km/h from NNW, gusts 4 mph6 km/h	96%	82%	0
Mon 7a	Cloudy	25°−4° (likely 25°−4° to 34°1°)	25°−4°	0%	1 mph2 km/h from NNW, gusts 3 mph5 km/h	95%	82%	0
Mon 8a	Cloudy	25°−4° (likely 25°−4° to 35°2°)	25°−4°	0%	1 mph2 km/h from NNW, gusts 3 mph5 km/h	97%	82%	0
Mon 9a	Cloudy	25°−4° (likely 25°−4° to 35°2°)	25°−4°	0%	1 mph2 km/h from NNE, gusts 5 mph8 km/h	97%	76%	0
Mon 10a	Cloudy	29°−2° (likely 29°−2° to 38°3°)	29°−2°	0%	1 mph2 km/h from NNE, gusts 4 mph7 km/h	91%	86%	0
Mon 11a	Cloudy	34°1° (likely 34°1° to 43°6°)	34°1°	0%	1 mph2 km/h from NNE, gusts 4 mph6 km/h	81%	85%	1
Mon 12p	Cloudy	39°4° (likely 39°4° to 46°8°)	39°4°	0%	1 mph2 km/h from NNW, gusts 3 mph5 km/h	71%	83%	2
Mon 1p	Cloudy	44°7° (likely 39°4° to 46°8°)	44°7°	0%	1 mph2 km/h from NNW, gusts 3 mph5 km/h	61%	90%	2
Mon 2p	Cloudy	47°8° (likely 40°4° to 47°8°)	47°8°	0%	1 mph2 km/h from NNW, gusts 4 mph6 km/h	52%	95%	2
Mon 3p	Partly sunny	50°10° (likely 42°6° to 50°10°)	50°10°	0%	1 mph2 km/h from NW, gusts 3 mph5 km/h	47%	93%	2
Mon 4p	Partly sunny	50°10° (likely 43°6° to 50°10°)	50°10°	0%	1 mph2 km/h from NW, gusts 3 mph5 km/h	48%	90%	1

Days ahead

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

Today, Oct 24. Cloudy. High 52°11°, low 33°1°. Typical 52°11° / 33°1°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 42°6°
  Dry
2. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Official NWS forecast
Today: Mostly cloudy, with a high near 52. South southeast wind around 2 mph.
Tonight: Mostly cloudy, with a low around 33. East southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–55°13°
Low, likely
33°1°–38°3°
Typical high / low
52°11° / 33°1°
Wind
9 mph14 km/h, gusts 20 mph31 km/h
UV peak
3
Tomorrow, Oct 25. Cloudy. High 48°9°, low 25°−4°. Typical 52°11° / 32°0°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 25°−4°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 48. North northwest wind around 3 mph.
Night: Mostly cloudy, with a low around 25. North wind around 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–57°14°
Low, likely
25°−4°–35°2°
Typical high / low
52°11° / 32°0°
Wind
9 mph14 km/h, gusts 22 mph35 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 50°10°, low 30°−1°. Typical 51°11° / 32°0°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 25°−4°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 40°4°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 36°2°
  30% chance
Official NWS forecast
Day: Mostly cloudy, with a high near 50. North northwest wind around 1 mph.
Night: A slight chance of rain between midnight and 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
43°6°–50°10°
Low, likely
29°−2°–33°1°
Typical high / low
51°11° / 32°0°
Wind
7 mph11 km/h
UV peak
2
Tuesday, Oct 27. Snow. High 48°9°, low 31°−1°. Typical 50°10° / 32°0°. Snow 0.1 in2.5 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Snow, 38°3°
  50% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Cloudy, 47°8°
  50% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Fog, 43°6°
  40% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 40°4°
  40% chance · 0.03 in0.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and snow. Cloudy, with a high near 48.
Night: A chance of rain before 3am, then a chance of rain and snow. Cloudy, with a low around 31.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
43°6°–50°10°
Low, likely
31°−1°–39°4°
Typical high / low
50°10° / 32°0°
Wind
5 mph8 km/h, gusts 16 mph26 km/h
UV peak
2
Wednesday, Oct 28. Snow. High 47°8°, low 26°−3°. Typical 50°10° / 32°0°. Snow 0.12 in3 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Fog, 40°4°
  50% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 47°8°
  60% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  60% chance · 0.03 in0.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 37°3°
  60% chance · 0.2 in0.4 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and snow. Cloudy, with a high near 47.
Night: Rain likely before 9pm, then rain and snow likely. Mostly cloudy, with a low around 26. Little or no snow accumulation expected.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–48°9°
Low, likely
26°−3°–39°4°
Typical high / low
50°10° / 32°0°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
3
Thursday, Oct 29. Snow. High 45°7°, low 23°−5°. Typical 49°9° / 31°−1°. Snow 0–1 in0–3 cm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  50% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 44°6°
  40% chance · 0.04 in1.1 mm
3. Evening
  6 PM–midnight
  Snow, 38°3°
  40% chance · 0.03 in0.9 mm
4. Overnight
  midnight–6 AM
  Snow, 33°1°
  40% 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. Mostly cloudy, with a high near 45. New snow accumulation of less than half an inch possible.
Night: A chance of rain and snow. Mostly cloudy, with a low around 23.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
40°4°–46°8°
Low, likely
23°−5°–37°3°
Typical high / low
49°9° / 31°−1°
Wind
5 mph7 km/h, gusts 19 mph31 km/h
UV peak
2
Friday, Oct 30. Snow. High 44°7°, low 22°−6°. Typical 49°9° / 31°−1°. Snow 0–1 in0–3 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  30% chance
2. Afternoon
  noon–6 PM
  Snow, 39°4°
  30% chance · 0.03 in0.6 mm
3. Evening
  6 PM–midnight
  Snow, 35°2°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Clear, 31°−1°
  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 44.
Night: Mostly cloudy, with a low around 22.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
36°2°–44°7°
Low, likely
22°−6°–35°2°
Typical high / low
49°9° / 31°−1°
Wind
4 mph7 km/h, gusts 12 mph19 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 40°4°, low 27°−3°. Typical 48°9° / 31°−1°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 39°4°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 33°1°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 29°−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°–43°6°
Low, likely
21°−6°–34°1°
Typical high / low
48°9° / 31°−1°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
2
Sunday, Nov 1. Cloudy. High 41°5°, low 29°−2°. Typical 48°9° / 30°−1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 41°5°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 36°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
39°4°–44°7°
Low, likely
26°−3°–34°1°
Typical high / low
48°9° / 30°−1°
Wind
4 mph6 km/h, gusts 11 mph18 km/h
UV peak
2
Monday, Nov 2. Cloudy. High 42°6°, low 31°−1°. Typical 47°8° / 30°−1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 42°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
40°4°–44°7°
Low, likely
28°−2°–36°2°
Typical high / low
47°8° / 30°−1°
Wind
6 mph9 km/h, gusts 22 mph35 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 52°, low 33°.
Tomorrow
Dry, high 48°, low 25°, cooling off.
Monday
Dry, high 50°, low 30°.
Rest of week
Highs 40–48°; chance of precipitation on Tuesday, Wednesday, Thursday.

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

Tobacco River at Eureka, MT

0.2 mi

Below flood stage

Level: 2.4 ft
Flow: 84 cfs

Reading from Sat 3:30 PM · NWS gauge page

For your home

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

Heating this week

About 67% less heating than a typical week.

This week 54Typical 167

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 40
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 19 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 31°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?

Eureka Ranger Station · official normals 1991–2020 · records 1960–2025

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Eureka weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 18 min; Losing 3 min 22 s a day; shortest Dec 21, 2 h 4 min less
Golden hour: 5:48–6:53 PM; Morning 7:54–8:59 AM
Blue hour: 6:53–7:05 PM; Morning 7:42–7:54 AM; first light 7:42 AM

Stars tonight? Poor

Clouds most of the night (about 74% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 6:28 AM · rises 5:34 PM
Full moon: Oct 25
New moon: Nov 9

Looking northeast from Eureka. The highest point on the skyline is about 7,800 ft, 12 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.