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Current weather in Bismarck is overcast clouds.

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

Now · 8:39 AM

Bismarck Weather & Hourly Forecast

United States · Illinois · 61814

61°F

Overcast

Feels like: 56°F

💧 Humidity 76% 🌡 Pressure 30.30 inHg 💨 Wind 11 mph 👁 Visibility 19.3 mi ☁ Clouds 97% ☀️ UV index 0.2 · Low 🌅 Sunrise 6:37 AM 🌇 Sunset 6:47 PM

Hourly Forecast for Bismarck

Today

9:00 AM

Overcast

61° 💧 None 💨 11 mph H 76%30.30 inHg

12:00 PM

Overcast

64° 💧 0.001 in 💨 11 mph H 71%30.30 inHg

3:00 PM

Overcast

66° 💧 0.001 in 💨 12 mph H 68%30.24 inHg

6:00 PM

Overcast

64° 💧 None 💨 11 mph H 74%30.27 inHg

9:00 PM

Overcast night

62° 💧 0.001 in 💨 9 mph H 81%30.30 inHg

Tomorrow

12:00 AM

Overcast night

60° 💧 None 💨 9 mph H 82%30.27 inHg

3:00 AM

Overcast night

57° 💧 None 💨 6 mph H 84%30.27 inHg

6:00 AM

Mostly clear night

58° 💧 None 💨 7 mph H 81%30.27 inHg

9:00 AM

Partly cloudy

61° 💧 None 💨 9 mph H 71%30.30 inHg

12:00 PM

Sunny

68° 💧 None 💨 7 mph H 63%30.27 inHg

3:00 PM

Mostly cloudy

73° 💧 None 💨 8 mph H 58%30.21 inHg

6:00 PM

Mostly cloudy

70° 💧 None 💨 6 mph H 64%30.21 inHg

9:00 PM

Overcast night

64° 💧 None 💨 8 mph H 77%30.24 inHg

Friday

12:00 AM

Overcast night

61° 💧 None 💨 7 mph H 80%30.24 inHg

3:00 AM

Overcast night

59° 💧 None 💨 9 mph H 74%30.24 inHg

6:00 AM

Overcast night

56° 💧 None 💨 6 mph H 75%30.27 inHg

Today

9:00 AM

Overcast

61° 💧 None 💨 11 mph H 76%30.30 inHg

10:00 AM

Overcast

62° 💧 None 💨 12 mph H 74%30.30 inHg

11:00 AM

Overcast

63° 💧 None 💨 11 mph H 72%30.30 inHg

12:00 PM

Overcast

64° 💧 0.000 in 💨 11 mph H 71%30.30 inHg

1:00 PM

Overcast

65° 💧 None 💨 11 mph H 69%30.30 inHg

2:00 PM

Overcast

65° 💧 0.000 in 💨 11 mph H 69%30.27 inHg

3:00 PM

Overcast

66° 💧 0.001 in 💨 12 mph H 68%30.24 inHg

4:00 PM

Overcast

66° 💧 None 💨 12 mph H 69%30.24 inHg

5:00 PM

Overcast

65° 💧 None 💨 12 mph H 70%30.27 inHg

6:00 PM

Overcast

64° 💧 None 💨 11 mph H 74%30.27 inHg

7:00 PM

Overcast night

63° 💧 None 💨 10 mph H 77%30.27 inHg

8:00 PM

Overcast night

63° 💧 None 💨 9 mph H 79%30.27 inHg

9:00 PM

Overcast night

62° 💧 None 💨 9 mph H 81%30.30 inHg

10:00 PM

Overcast night

62° 💧 0.001 in 💨 9 mph H 82%30.30 inHg

11:00 PM

Mostly cloudy night

61° 💧 0.001 in 💨 8 mph H 83%30.27 inHg

Tomorrow

12:00 AM

Overcast night

60° 💧 None 💨 9 mph H 82%30.27 inHg

1:00 AM

Mostly clear night

59° 💧 None 💨 9 mph H 80%30.27 inHg

2:00 AM

Partly cloudy night

58° 💧 None 💨 7 mph H 82%30.27 inHg

3:00 AM

Overcast night

57° 💧 None 💨 6 mph H 84%30.27 inHg

4:00 AM

Mostly cloudy night

57° 💧 None 💨 7 mph H 83%30.27 inHg

5:00 AM

Mostly cloudy night

58° 💧 None 💨 7 mph H 81%30.27 inHg

6:00 AM

Mostly clear night

58° 💧 None 💨 7 mph H 81%30.27 inHg

7:00 AM

Partly cloudy

57° 💧 None 💨 7 mph H 83%30.27 inHg

8:00 AM

Overcast

59° 💧 None 💨 7 mph H 77%30.30 inHg

9:00 AM

Partly cloudy

61° 💧 None 💨 9 mph H 71%30.30 inHg

10:00 AM

Mostly sunny

64° 💧 None 💨 7 mph H 67%30.30 inHg

11:00 AM

Mostly cloudy

66° 💧 None 💨 7 mph H 65%30.30 inHg

12:00 PM

Sunny

68° 💧 None 💨 7 mph H 63%30.27 inHg

1:00 PM

Sunny

70° 💧 None 💨 8 mph H 61%30.27 inHg

2:00 PM

Mostly cloudy

73° 💧 None 💨 9 mph H 59%30.24 inHg

3:00 PM

Mostly cloudy

73° 💧 None 💨 8 mph H 58%30.21 inHg

4:00 PM

Overcast

72° 💧 None 💨 8 mph H 59%30.21 inHg

5:00 PM

Overcast

71° 💧 None 💨 8 mph H 59%30.21 inHg

6:00 PM

Mostly cloudy

70° 💧 None 💨 6 mph H 64%30.21 inHg

7:00 PM

Overcast night

67° 💧 None 💨 7 mph H 70%30.24 inHg

8:00 PM

Mostly cloudy night

65° 💧 None 💨 8 mph H 75%30.24 inHg

9:00 PM

Overcast night

64° 💧 None 💨 8 mph H 77%30.24 inHg

10:00 PM

Overcast night

63° 💧 None 💨 7 mph H 78%30.27 inHg

11:00 PM

Overcast night

62° 💧 None 💨 6 mph H 79%30.24 inHg

Friday

12:00 AM

Overcast night

61° 💧 None 💨 7 mph H 80%30.24 inHg

1:00 AM

Overcast night

61° 💧 None 💨 8 mph H 82%30.24 inHg

2:00 AM

Overcast night

59° 💧 None 💨 8 mph H 79%30.24 inHg

3:00 AM

Overcast night

59° 💧 None 💨 9 mph H 74%30.24 inHg

4:00 AM

Overcast night

57° 💧 None 💨 7 mph H 75%30.27 inHg

5:00 AM

Overcast night

57° 💧 None 💨 7 mph H 75%30.27 inHg

6:00 AM

Overcast night

56° 💧 None 💨 6 mph H 75%30.27 inHg

7:00 AM

Overcast

56° 💧 None 💨 7 mph H 75%30.30 inHg

8:00 AM

Overcast

56° 💧 None 💨 6 mph H 76%30.30 inHg

9:00 AM

Overcast

56° 💧 None 💨 5 mph H 76%30.30 inHg

10:00 AM

Overcast

58° 💧 None 💨 5 mph H 73%30.30 inHg

11:00 AM

Overcast

58° 💧 None 💨 4 mph H 73%30.33 inHg

12:00 PM

Overcast

59° 💧 None 💨 5 mph H 71%30.30 inHg

1:00 PM

Overcast

62° 💧 None 💨 7 mph H 63%30.27 inHg

2:00 PM

Overcast

63° 💧 None 💨 8 mph H 57%30.27 inHg

3:00 PM

Overcast

65° 💧 None 💨 8 mph H 53%30.24 inHg

4:00 PM

Overcast

64° 💧 None 💨 8 mph H 53%30.24 inHg

5:00 PM

Mostly cloudy

63° 💧 None 💨 7 mph H 55%30.21 inHg

6:00 PM

Mostly cloudy

62° 💧 None 💨 5 mph H 60%30.24 inHg

7:00 PM

Mostly cloudy night

57° 💧 None 💨 5 mph H 70%30.21 inHg

Saturday

4:00 AM

Clear night

51° 💧 None 💨 6 mph H 95%30.18 inHg

7:00 AM

Mostly sunny

50° 💧 None 💨 6 mph H 96%30.21 inHg

10:00 AM

Partly cloudy

61° 💧 None 💨 5 mph H 74%30.24 inHg

1:00 PM

Mostly sunny

69° 💧 None 💨 6 mph H 51%30.18 inHg

4:00 PM

Overcast

71° 💧 None 💨 6 mph H 50%30.09 inHg

7:00 PM

Mostly cloudy night

64° 💧 None 💨 6 mph H 72%30.09 inHg

10:00 PM

Mostly cloudy night

60° 💧 None 💨 7 mph H 80%30.12 inHg

Sunday

1:00 AM

Clear night

56° 💧 None 💨 4 mph H 90%30.09 inHg

4:00 AM

Mostly clear night

53° 💧 None 💨 5 mph H 95%30.09 inHg

7:00 AM

Mostly sunny

51° 💧 None 💨 4 mph H 97%30.09 inHg

10:00 AM

Partly cloudy

64° 💧 None 💨 4 mph H 73%30.12 inHg

1:00 PM

Partly cloudy

70° 💧 None 💨 5 mph H 51%30.06 inHg

4:00 PM

Partly cloudy

71° 💧 None 💨 6 mph H 46%30.03 inHg

7:00 PM

Clear night

63° 💧 None 💨 2 mph H 68%30.03 inHg

10:00 PM

Mostly clear night

58° 💧 None 💨 6 mph H 79%30.03 inHg

Monday

1:00 AM

Partly cloudy night

53° 💧 None 💨 4 mph H 92%30.03 inHg

4:00 AM

Clear night

50° 💧 None 💨 4 mph H 94%30.03 inHg

7:00 AM

Sunny

49° 💧 None 💨 4 mph H 95%30.03 inHg

10:00 AM

Sunny

64° 💧 None 💨 3 mph H 72%30.06 inHg

1:00 PM

Sunny

72° 💧 None 💨 3 mph H 55%30.00 inHg

4:00 PM

Sunny

73° 💧 None 💨 4 mph H 49%29.97 inHg

7:00 PM

Clear night

65° 💧 None 💨 3 mph H 70%29.97 inHg

10:00 PM

Mostly clear night

59° 💧 None 💨 5 mph H 83%29.97 inHg

Tuesday

1:00 AM

Overcast night

56° 💧 None 💨 5 mph H 84%29.97 inHg

7:00 AM

Overcast

59° 💧 None 💨 6 mph H 81%29.91 inHg

1:00 PM

Mostly sunny

57° 💧 None 💨 7 mph H 77%29.91 inHg

7:00 PM

Partly cloudy night

77° 💧 None 💨 9 mph H 52%29.83 inHg

Wednesday

1:00 AM

Light rain

69° 💧 None 💨 12 mph H 96%29.77 inHg

7:00 AM

Moderate rain

67° 💧 None 💨 11 mph H 97%29.71 inHg

1:00 PM

Heavy rain

68° 💧 None 💨 14 mph H 96%29.62 inHg

7:00 PM

Light rain

70° 💧 None 💨 13 mph H 96%29.65 inHg

Thursday

1:00 AM

Light rain

67° 💧 None 💨 5 mph H 99%29.62 inHg

7:00 AM

Light rain

65° 💧 None 💨 9 mph H 98%29.59 inHg

1:00 PM

Mostly cloudy

61° 💧 None 💨 11 mph H 92%29.65 inHg

7:00 PM

Partly cloudy night

67° 💧 None 💨 12 mph H 62%29.74 inHg

Friday

1:00 AM

Mostly clear night

61° 💧 None 💨 10 mph H 62%29.83 inHg

7:00 AM

Sunny

53° 💧 None 💨 7 mph H 79%29.91 inHg

1:00 PM

Sunny

48° 💧 None 💨 9 mph H 81%29.97 inHg

7:00 PM

Mostly clear night

61° 💧 None 💨 11 mph H 47%30.03 inHg

Saturday

1:00 AM

Partly cloudy night

57° 💧 None 💨 5 mph H 59%30.06 inHg

7:00 AM

Sunny

53° 💧 None 💨 5 mph H 76%30.12 inHg

1:00 PM

Sunny

46° 💧 None 💨 4 mph H 90%30.18 inHg

7:00 PM

Mostly cloudy night

62° 💧 None 💨 8 mph H 42%30.21 inHg

Sunday

1:00 AM

Mostly clear night

56° 💧 None 💨 1 mph H 59%30.21 inHg

7:00 AM

Sunny

48° 💧 None 💨 4 mph H 79%30.24 inHg

1:00 PM

Partly cloudy

45° 💧 None 💨 5 mph H 85%30.30 inHg

7:00 PM

Clear night

65° 💧 None 💨 3 mph H 49%30.24 inHg

Monday

1:00 AM

Partly cloudy night

58° 💧 None 💨 3 mph H 71%30.18 inHg

7:00 AM

Mostly cloudy

52° 💧 None 💨 6 mph H 79%30.18 inHg

1:00 PM

Heavy rain

53° 💧 None 💨 8 mph H 80%30.18 inHg

7:00 PM

Overcast night

69° 💧 None 💨 11 mph H 60%30.12 inHg

Tuesday

1:00 AM

Clear night

65° 💧 None 💨 9 mph H 76%30.06 inHg

7:00 AM

Sunny

61° 💧 None 💨 10 mph H 84%30.03 inHg

1:00 PM

Sunny

60° 💧 None 💨 11 mph H 83%30.00 inHg

7:00 PM

Mostly clear night

77° 💧 None 💨 12 mph H 62%29.94 inHg

Wednesday

1:00 AM

Clear night

69° 💧 None 💨 11 mph H 70%29.94 inHg

7:00 AM

Sunny

55° 💧 None 💨 10 mph H 61%30.03 inHg

1:00 PM

Sunny

48° 💧 None 💨 9 mph H 66%30.09 inHg

7:00 PM

Clear night

60° 💧 None 💨 12 mph H 40%30.09 inHg

Thursday

1:00 AM

Partly cloudy night

54° 💧 None 💨 10 mph H 47%30.06 inHg

In Bismarck and, more broadly, across the state of Illinois: This morning begins with mostly cloudy skies and mild temperatures ranging from 60 to 69 degrees Fahrenheit. Winds will be coming from the northeast at around 11 mph, with gusts reaching up to 21 mph. As the day progresses into the afternoon, the cloud cover is expected to persist, but no precipitation is anticipated. Temperatures are likely to remain steady within the mild range, providing comfortable conditions for outdoor activities. Winds will continue from the northeast, maintaining a moderate breeze throughout the day. Overall, it will be a relatively calm day with partly cloudy skies and no significant weather disruptions.

15-Day Weather Outlook for Bismarck

TomorrowTomorrow

Overcast 73°/57° 💧 None 💨 9 mph

Friday, Sep 25Fri Sep 25

Overcast 65°/56° 💧 None 💨 9 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 71°/50° 💧 0.006 in 💨 7 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 71°/51° 💧 None 💨 6 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 73°/49° 💧 None 💨 5 mph

Tuesday, Sep 29Tue Sep 29

Overcast 77°/56° 💧 0.004 in 💨 9 mph

Wednesday, Sep 30Wed Sep 30

Heavy rain 70°/67° 💧 1.445 in 💨 14 mph

Thursday, Oct 1Thu Oct 1

Light rain 67°/61° 💧 0.887 in 💨 12 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 61°/48° 💧 0.013 in 💨 11 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 62°/46° 💧 None 💨 8 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 65°/45° 💧 None 💨 5 mph

Monday, Oct 5Mon Oct 5

Heavy rain 69°/52° 💧 0.175 in 💨 11 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 77°/60° 💧 None 💨 12 mph

Wednesday, Oct 7Wed Oct 7

Sunny 69°/48° 💧 0.005 in 💨 12 mph

Thursday, Oct 8Thu Oct 8

Partly cloudy 54°/54° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Bismarck

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Bismarck

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 AM

PM2.5 Fine particles Good 3,6µg/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 4,1µg/m³

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

O₃ Ozone Good 50,8µg/m³

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

NO₂ Nitrogen dioxide Good 3,9µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Bismarck

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 2,7Low 😊Good

Tomorrow UV 4,2Moderate 🙂Fair

Friday UV 4,3Moderate 🙂Fair

Saturday UV 3,7Moderate 😐Moderate

Sunday UV 4,0Moderate 🙂Fair

Monday UV 4,0Moderate —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

9:00 AMUV 0,8 10:00 AMUV 1,5 11:00 AMUV 1,8 12:00 PMUV 2,4 1:00 PMUV 2,7 2:00 PMUV 2,0 3:00 PMUV 1,5 4:00 PMUV 1,1 5:00 PMUV 0,4 6:00 PMUV 0,1 7:00 PMUV 0,0

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

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

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 Bismarck

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · BISMARCK, ILLINOIS

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

70/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 8:17 PM–5:09 AM

☁ Cloud cover 30% Real hourly forecast for the best viewing hour.

☾ Moonlight 94% Waxing Gibbous · Moon about 30° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 42° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min29%

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

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Forecast data for Bismarck were last refreshed today at 8:39 AM. The current forecast period extends through 25/09/2026 at 6:00 AM. 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.