What is the weather in Eureka right now?

Current weather in Eureka is overcast clouds.

Where can I find the hourly weather forecast for Eureka?

This page shows hourly weather forecast for Eureka, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Eureka updated regularly?

Weather data for Eureka is updated regularly with the latest available observations and forecasts.

Now · 6:04 PM

Eureka Weather & Hourly Forecast

United States · Montana · 59917

70°F

Overcast

Feels like: 69°F

💧 Humidity 44% 🌡 Pressure 29.80 inHg 💨 Wind 1 mph 👁 Visibility 28.5 mi ☁ Clouds 98% ☀️ UV index 0.5 · Low 🌅 Sunrise 7:25 AM 🌇 Sunset 7:39 PM

Hourly Forecast for Eureka

Today

7:00 PM

Overcast

65° 💧 None 💨 3 mph H 56%29.83 inHg

10:00 PM

Overcast night

57° 💧 None 💨 3 mph H 64%29.88 inHg

Tomorrow

1:00 AM

Clear night

54° 💧 None 💨 3 mph H 66%29.91 inHg

4:00 AM

Clear night

51° 💧 None 💨 3 mph H 73%29.94 inHg

7:00 AM

Mostly clear night

49° 💧 None 💨 3 mph H 77%29.97 inHg

10:00 AM

Partly cloudy

59° 💧 None 💨 3 mph H 63%30.03 inHg

1:00 PM

Mostly cloudy

66° 💧 None 💨 5 mph H 38%30.00 inHg

4:00 PM

Overcast

67° 💧 None 💨 5 mph H 35%30.00 inHg

7:00 PM

Mostly cloudy

61° 💧 None 💨 1 mph H 54%30.00 inHg

10:00 PM

Clear night

53° 💧 None 💨 2 mph H 59%30.00 inHg

Thursday

1:00 AM

Mostly clear night

50° 💧 None 💨 3 mph H 65%30.03 inHg

4:00 AM

Mostly clear night

48° 💧 None 💨 3 mph H 62%30.03 inHg

7:00 AM

Overcast night

47° 💧 None 💨 2 mph H 62%30.03 inHg

10:00 AM

Mostly cloudy

57° 💧 None 💨 1 mph H 51%30.03 inHg

1:00 PM

Partly cloudy

66° 💧 None 💨 2 mph H 42%29.97 inHg

4:00 PM

Partly cloudy

72° 💧 None 💨 1 mph H 38%29.85 inHg

Today

7:00 PM

Overcast

65° 💧 None 💨 3 mph H 56%29.83 inHg

8:00 PM

Overcast night

59° 💧 None 💨 3 mph H 66%29.83 inHg

9:00 PM

Overcast night

58° 💧 None 💨 4 mph H 65%29.85 inHg

10:00 PM

Overcast night

57° 💧 None 💨 3 mph H 64%29.88 inHg

11:00 PM

Mostly cloudy night

56° 💧 None 💨 2 mph H 65%29.88 inHg

Tomorrow

12:00 AM

Mostly clear night

55° 💧 None 💨 3 mph H 65%29.91 inHg

1:00 AM

Clear night

54° 💧 None 💨 3 mph H 66%29.91 inHg

2:00 AM

Clear night

53° 💧 None 💨 3 mph H 68%29.91 inHg

3:00 AM

Clear night

52° 💧 None 💨 3 mph H 70%29.94 inHg

4:00 AM

Clear night

51° 💧 None 💨 3 mph H 73%29.94 inHg

5:00 AM

Clear night

50° 💧 None 💨 3 mph H 75%29.94 inHg

6:00 AM

Mostly clear night

50° 💧 None 💨 3 mph H 76%29.97 inHg

7:00 AM

Mostly clear night

49° 💧 None 💨 3 mph H 77%29.97 inHg

8:00 AM

Partly cloudy

50° 💧 None 💨 4 mph H 79%30.00 inHg

9:00 AM

Partly cloudy

54° 💧 None 💨 5 mph H 72%30.03 inHg

10:00 AM

Partly cloudy

59° 💧 None 💨 3 mph H 63%30.03 inHg

11:00 AM

Partly cloudy

63° 💧 None 💨 3 mph H 50%30.03 inHg

12:00 PM

Partly cloudy

65° 💧 None 💨 4 mph H 44%30.00 inHg

1:00 PM

Mostly cloudy

66° 💧 None 💨 5 mph H 38%30.00 inHg

2:00 PM

Partly cloudy

67° 💧 None 💨 6 mph H 35%30.00 inHg

3:00 PM

Overcast

67° 💧 None 💨 6 mph H 34%30.00 inHg

4:00 PM

Overcast

67° 💧 None 💨 5 mph H 35%30.00 inHg

5:00 PM

Overcast

66° 💧 None 💨 3 mph H 38%30.00 inHg

6:00 PM

Mostly cloudy

64° 💧 None 💨 3 mph H 47%30.00 inHg

7:00 PM

Mostly cloudy

61° 💧 None 💨 1 mph H 54%30.00 inHg

8:00 PM

Mostly clear night

59° 💧 None 💨 1 mph H 51%30.00 inHg

9:00 PM

Mostly clear night

57° 💧 None 💨 0 mph H 53%30.00 inHg

10:00 PM

Clear night

53° 💧 None 💨 2 mph H 59%30.00 inHg

11:00 PM

Clear night

51° 💧 None 💨 3 mph H 63%30.03 inHg

Thursday

12:00 AM

Clear night

50° 💧 None 💨 3 mph H 64%30.03 inHg

1:00 AM

Mostly clear night

50° 💧 None 💨 3 mph H 65%30.03 inHg

2:00 AM

Partly cloudy night

49° 💧 None 💨 3 mph H 64%30.03 inHg

3:00 AM

Partly cloudy night

49° 💧 None 💨 3 mph H 63%30.03 inHg

4:00 AM

Mostly clear night

48° 💧 None 💨 3 mph H 62%30.03 inHg

5:00 AM

Partly cloudy night

48° 💧 None 💨 3 mph H 62%30.03 inHg

6:00 AM

Mostly cloudy night

47° 💧 None 💨 3 mph H 62%30.03 inHg

7:00 AM

Overcast night

47° 💧 None 💨 2 mph H 62%30.03 inHg

8:00 AM

Mostly cloudy

48° 💧 None 💨 2 mph H 62%30.03 inHg

9:00 AM

Mostly cloudy

53° 💧 None 💨 1 mph H 58%30.03 inHg

10:00 AM

Mostly cloudy

57° 💧 None 💨 1 mph H 51%30.03 inHg

11:00 AM

Mostly cloudy

60° 💧 None 💨 2 mph H 48%30.03 inHg

12:00 PM

Mostly sunny

63° 💧 None 💨 2 mph H 45%30.00 inHg

1:00 PM

Partly cloudy

66° 💧 None 💨 2 mph H 42%29.97 inHg

2:00 PM

Mostly cloudy

69° 💧 None 💨 2 mph H 39%29.94 inHg

3:00 PM

Mostly cloudy

71° 💧 None 💨 2 mph H 38%29.88 inHg

4:00 PM

Partly cloudy

72° 💧 None 💨 1 mph H 38%29.85 inHg

5:00 PM

Mostly cloudy

72° 💧 None 💨 1 mph H 39%29.83 inHg

6:00 PM

Mostly cloudy

70° 💧 None 💨 1 mph H 46%29.80 inHg

7:00 PM

Mostly cloudy

65° 💧 None 💨 1 mph H 57%29.80 inHg

8:00 PM

Partly cloudy night

61° 💧 None 💨 2 mph H 60%29.80 inHg

9:00 PM

Partly cloudy night

59° 💧 None 💨 2 mph H 62%29.80 inHg

10:00 PM

Partly cloudy night

58° 💧 None 💨 3 mph H 61%29.80 inHg

11:00 PM

Partly cloudy night

57° 💧 None 💨 3 mph H 60%29.77 inHg

Friday

12:00 AM

Partly cloudy night

57° 💧 None 💨 2 mph H 60%29.77 inHg

1:00 AM

Partly cloudy night

56° 💧 None 💨 1 mph H 60%29.77 inHg

2:00 AM

Partly cloudy night

56° 💧 None 💨 1 mph H 60%29.74 inHg

3:00 AM

Partly cloudy night

55° 💧 None 💨 1 mph H 63%29.74 inHg

4:00 AM

Partly cloudy night

55° 💧 None 💨 2 mph H 65%29.77 inHg

5:00 AM

Mostly cloudy night

54° 💧 None 💨 1 mph H 65%29.74 inHg

6:00 AM

Mostly cloudy night

53° 💧 None 💨 2 mph H 72%29.77 inHg

9:00 AM

Mostly cloudy

57° 💧 None 💨 1 mph H 70%29.71 inHg

12:00 PM

Mostly sunny

64° 💧 None 💨 3 mph H 49%29.68 inHg

3:00 PM

Overcast

68° 💧 None 💨 10 mph H 41%29.62 inHg

6:00 PM

Light rain

53° 💧 None 💨 3 mph H 70%29.77 inHg

9:00 PM

Overcast night

48° 💧 None 💨 5 mph H 84%29.80 inHg

Saturday

12:00 AM

Moderate rain

42° 💧 None 💨 5 mph H 93%29.88 inHg

3:00 AM

Light rain

40° 💧 None 💨 6 mph H 97%29.88 inHg

6:00 AM

Overcast night

40° 💧 None 💨 5 mph H 94%29.94 inHg

9:00 AM

Light rain

41° 💧 None 💨 5 mph H 92%30.00 inHg

12:00 PM

Light rain

42° 💧 None 💨 5 mph H 91%30.03 inHg

3:00 PM

Light rain

45° 💧 None 💨 4 mph H 80%30.03 inHg

6:00 PM

Partly cloudy

46° 💧 None 💨 4 mph H 77%30.03 inHg

9:00 PM

Partly cloudy night

42° 💧 None 💨 3 mph H 85%30.06 inHg

Sunday

12:00 AM

Partly cloudy night

40° 💧 None 💨 4 mph H 88%30.09 inHg

3:00 AM

Partly cloudy night

38° 💧 None 💨 3 mph H 89%30.09 inHg

6:00 AM

Mostly cloudy night

38° 💧 None 💨 3 mph H 87%30.09 inHg

9:00 AM

Partly cloudy

41° 💧 None 💨 1 mph H 82%30.12 inHg

12:00 PM

Mostly cloudy

47° 💧 None 💨 1 mph H 60%30.09 inHg

3:00 PM

Partly cloudy

51° 💧 None 💨 1 mph H 46%30.00 inHg

6:00 PM

Mostly sunny

52° 💧 None 💨 1 mph H 42%29.97 inHg

9:00 PM

Clear night

43° 💧 None 💨 1 mph H 61%29.97 inHg

Monday

12:00 AM

Clear night

41° 💧 None 💨 1 mph H 64%30.00 inHg

3:00 AM

Clear night

41° 💧 None 💨 1 mph H 65%30.00 inHg

6:00 AM

Clear night

41° 💧 None 💨 1 mph H 64%30.00 inHg

12:00 PM

Mostly cloudy

51° 💧 None 💨 2 mph H 47%29.97 inHg

6:00 PM

Mostly cloudy

55° 💧 None 💨 3 mph H 42%29.85 inHg

Tuesday

12:00 AM

Mostly cloudy night

45° 💧 None 💨 3 mph H 56%29.88 inHg

6:00 AM

Mostly cloudy night

42° 💧 None 💨 3 mph H 54%29.85 inHg

12:00 PM

Overcast

54° 💧 None 💨 4 mph H 36%29.83 inHg

6:00 PM

Overcast

51° 💧 None 💨 4 mph H 49%29.80 inHg

Wednesday

12:00 AM

Overcast night

46° 💧 None 💨 4 mph H 64%29.77 inHg

6:00 AM

Overcast night

44° 💧 None 💨 5 mph H 75%29.71 inHg

12:00 PM

Light rain

48° 💧 None 💨 3 mph H 70%29.74 inHg

6:00 PM

Mostly sunny

50° 💧 None 💨 7 mph H 52%29.77 inHg

Thursday

12:00 AM

Mostly clear night

41° 💧 None 💨 1 mph H 78%29.94 inHg

6:00 AM

Partly cloudy night

37° 💧 None 💨 2 mph H 88%30.12 inHg

12:00 PM

Partly cloudy

46° 💧 None 💨 2 mph H 63%30.21 inHg

6:00 PM

Sunny

49° 💧 None 💨 2 mph H 47%30.18 inHg

Friday

12:00 AM

Mostly clear night

41° 💧 None 💨 2 mph H 67%30.27 inHg

6:00 AM

Clear night

38° 💧 None 💨 1 mph H 71%30.30 inHg

12:00 PM

Sunny

49° 💧 None 💨 2 mph H 56%30.27 inHg

6:00 PM

Partly cloudy

53° 💧 None 💨 2 mph H 36%30.12 inHg

Saturday

12:00 AM

Partly cloudy night

44° 💧 None 💨 2 mph H 57%30.09 inHg

6:00 AM

Mostly cloudy night

42° 💧 None 💨 2 mph H 52%30.03 inHg

12:00 PM

Partly cloudy

55° 💧 None 💨 4 mph H 31%29.97 inHg

6:00 PM

Sunny

57° 💧 None 💨 6 mph H 36%29.83 inHg

Sunday

12:00 AM

Clear night

44° 💧 None 💨 3 mph H 59%29.85 inHg

6:00 AM

Clear night

39° 💧 None 💨 4 mph H 70%29.91 inHg

12:00 PM

Mostly sunny

49° 💧 None 💨 2 mph H 48%29.94 inHg

6:00 PM

Mostly sunny

50° 💧 None 💨 2 mph H 40%29.88 inHg

Monday

12:00 AM

Mostly clear night

39° 💧 None 💨 3 mph H 68%29.97 inHg

6:00 AM

Partly cloudy night

34° 💧 None 💨 2 mph H 83%30.06 inHg

12:00 PM

Light rain

46° 💧 None 💨 3 mph H 58%30.06 inHg

6:00 PM

Mostly cloudy

44° 💧 None 💨 4 mph H 72%30.09 inHg

Tuesday

12:00 AM

Partly cloudy night

36° 💧 None 💨 1 mph H 87%30.21 inHg

6:00 AM

Mostly cloudy night

36° 💧 None 💨 2 mph H 90%30.27 inHg

12:00 PM

Partly cloudy

45° 💧 None 💨 6 mph H 50%30.24 inHg

6:00 PM

Partly cloudy

46° 💧 None 💨 5 mph H 47%30.21 inHg

Wednesday

12:00 AM

Mostly cloudy night

37° 💧 None 💨 1 mph H 79%30.30 inHg

6:00 AM

Mostly clear night

33° 💧 None 💨 1 mph H 81%30.33 inHg

In Eureka and, more broadly, across the state of Montana: Clear skies are expected tonight with temperatures holding steady around 62 degrees. Light southeast winds will prevail, generally blowing at 3 to 5 mph, with occasional gusts reaching up to 10 mph. No precipitation is forecasted for the evening and the upcoming hours. It will remain a cool and tranquil night, making it a good time to enjoy the clear sky and gentle breeze. Temperatures are unlikely to fluctuate significantly through the evening, providing a calm and comfortable environment.

15-Day Weather Outlook for Eureka

TomorrowTomorrow

Mostly sunny 67°/49° 💧 None 💨 6 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 72°/47° 💧 None 💨 3 mph

Friday, Sep 25Fri Sep 25

Light rain 68°/48° 💧 0.040 in 💨 10 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 46°/40° 💧 0.339 in 💨 6 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 52°/38° 💧 None 💨 4 mph

Monday, Sep 28Mon Sep 28

Mostly cloudy 55°/41° 💧 None 💨 3 mph

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 54°/42° 💧 0.002 in 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Light rain 50°/44° 💧 0.074 in 💨 7 mph

Thursday, Oct 1Thu Oct 1

Partly cloudy 49°/37° 💧 0.002 in 💨 2 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 53°/38° 💧 0.000 in 💨 2 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 57°/42° 💧 None 💨 6 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 50°/39° 💧 0.005 in 💨 4 mph

Monday, Oct 5Mon Oct 5

Light rain 46°/34° 💧 0.183 in 💨 4 mph

Tuesday, Oct 6Tue Oct 6

Partly cloudy 46°/36° 💧 0.001 in 💨 6 mph

Wednesday, Oct 7Wed Oct 7

Mostly cloudy 37°/33° 💧 None 💨 1 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Eureka

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Eureka

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 PM

PM2.5 Fine particles Good 4,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,2µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 84,7µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Eureka

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 3,7Moderate 🙂Fair

Tomorrow UV 4,0Moderate 🙂Fair

Thursday UV 4,2Moderate 🙂Fair

Friday UV 2,6Low 🙂Fair

Saturday UV 2,7Low 🙂Fair

Sunday UV 3,0Moderate —Unavailable

Monday UV 4,0Moderate —Unavailable

Hourly UV index today

7:00 PMUV 0,1

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Eureka

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · EUREKA, MONTANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:25 PM–5:41 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 54° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min69%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Fullerton US · California · 140,968 residents Aquia Harbour US · Virginia · 7,481 residents Corrigin AU · Western Australia · 701 residents Adelaide AU · South Australia · 879,249 residents Thornton (Bradford) GB · England · 5,410 residents South Shore US · Kentucky · 1,642 residents Parramatta AU · New South Wales · 30,211 residents Emporia US · Kansas · 24,131 residents Niagara Falls US · New York · 47,987 residents Urban Honolulu US · Hawaii · 345,482 residents Huntington US · West Virginia · 45,787 residents Aurora US · Missouri · 7,397 residents Ocean City US · Washington · 187 residents Grottoes US · Virginia · 2,961 residents Big Valley CA · Alberta · 331 residents Saratoga AU · New South Wales · 3,982 residents

Forecast data for Eureka were last refreshed today at 6:04 PM. The current forecast period extends through 24/09/2026 at 4:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.