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Current weather in Bismarck is broken clouds.

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

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

Now · 7:04 AM

Bismarck Weather & Hourly Forecast

United States · Arkansas · 71929

75°F

Mostly cloudy

Feels like: 82°F

💧 Humidity 91% 🌡 Pressure 30.00 inHg 💨 Wind 3 mph 👁 Visibility 13.7 mi ☁ Clouds 70% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Bismarck

Today

8:00 AM

Mostly sunny

78° 💧 None 💨 4 mph H 82%30.00 inHg

11:00 AM

Sunny

90° 💧 0.000 in 💨 4 mph H 56%30.03 inHg

2:00 PM

Mostly sunny

97° 💧 0.000 in 💨 4 mph H 41%29.97 inHg

5:00 PM

Mostly sunny

97° 💧 0.000 in 💨 4 mph H 39%29.91 inHg

8:00 PM

Mostly clear night

87° 💧 None 💨 3 mph H 55%29.94 inHg

11:00 PM

Clear night

84° 💧 None 💨 4 mph H 62%30.00 inHg

Tomorrow

2:00 AM

Clear night

81° 💧 None 💨 4 mph H 71%30.00 inHg

5:00 AM

Clear night

79° 💧 None 💨 4 mph H 74%30.00 inHg

8:00 AM

Sunny

81° 💧 None 💨 4 mph H 73%30.03 inHg

11:00 AM

Sunny

92° 💧 0.000 in 💨 3 mph H 49%30.06 inHg

2:00 PM

Mostly sunny

96° 💧 None 💨 7 mph H 40%30.00 inHg

5:00 PM

Sunny

96° 💧 0.013 in 💨 7 mph H 39%29.91 inHg

8:00 PM

Clear night

86° 💧 0.000 in 💨 6 mph H 60%29.94 inHg

11:00 PM

Clear night

83° 💧 None 💨 7 mph H 68%30.00 inHg

Tuesday

2:00 AM

Clear night

79° 💧 None 💨 5 mph H 78%30.00 inHg

5:00 AM

Clear night

77° 💧 None 💨 4 mph H 86%30.03 inHg

Today

8:00 AM

Mostly sunny

78° 💧 None 💨 4 mph H 82%30.00 inHg

9:00 AM

Sunny

82° 💧 None 💨 4 mph H 71%30.03 inHg

10:00 AM

Sunny

86° 💧 None 💨 5 mph H 63%30.03 inHg

11:00 AM

Sunny

90° 💧 None 💨 4 mph H 56%30.03 inHg

12:00 PM

Sunny

94° 💧 None 💨 3 mph H 48%30.00 inHg

1:00 PM

Sunny

96° 💧 0.000 in 💨 3 mph H 43%30.00 inHg

2:00 PM

Mostly sunny

97° 💧 None 💨 4 mph H 41%29.97 inHg

3:00 PM

Mostly sunny

97° 💧 None 💨 3 mph H 39%29.94 inHg

4:00 PM

Mostly sunny

97° 💧 0.000 in 💨 3 mph H 39%29.91 inHg

5:00 PM

Mostly sunny

97° 💧 0.000 in 💨 4 mph H 39%29.91 inHg

6:00 PM

Mostly sunny

95° 💧 None 💨 5 mph H 41%29.91 inHg

7:00 PM

Mostly sunny

91° 💧 None 💨 4 mph H 49%29.91 inHg

8:00 PM

Mostly clear night

87° 💧 None 💨 3 mph H 55%29.94 inHg

9:00 PM

Clear night

87° 💧 None 💨 1 mph H 54%29.97 inHg

10:00 PM

Clear night

86° 💧 None 💨 2 mph H 56%29.97 inHg

11:00 PM

Clear night

84° 💧 None 💨 4 mph H 62%30.00 inHg

Tomorrow

12:00 AM

Mostly clear night

83° 💧 None 💨 4 mph H 66%30.00 inHg

1:00 AM

Mostly clear night

82° 💧 None 💨 3 mph H 69%30.00 inHg

2:00 AM

Clear night

81° 💧 None 💨 4 mph H 71%30.00 inHg

3:00 AM

Clear night

81° 💧 None 💨 4 mph H 72%30.00 inHg

4:00 AM

Clear night

80° 💧 None 💨 4 mph H 72%30.00 inHg

5:00 AM

Clear night

79° 💧 None 💨 4 mph H 74%30.00 inHg

6:00 AM

Clear night

79° 💧 None 💨 5 mph H 75%30.03 inHg

7:00 AM

Sunny

78° 💧 None 💨 4 mph H 77%30.03 inHg

8:00 AM

Sunny

81° 💧 None 💨 4 mph H 73%30.03 inHg

9:00 AM

Sunny

85° 💧 None 💨 2 mph H 63%30.06 inHg

10:00 AM

Sunny

88° 💧 None 💨 2 mph H 56%30.06 inHg

11:00 AM

Sunny

92° 💧 None 💨 3 mph H 49%30.06 inHg

12:00 PM

Sunny

94° 💧 None 💨 5 mph H 44%30.03 inHg

1:00 PM

Sunny

96° 💧 0.000 in 💨 6 mph H 42%30.03 inHg

2:00 PM

Mostly sunny

96° 💧 None 💨 7 mph H 40%30.00 inHg

3:00 PM

Mostly sunny

97° 💧 None 💨 7 mph H 39%29.97 inHg

4:00 PM

Sunny

97° 💧 None 💨 7 mph H 39%29.94 inHg

5:00 PM

Sunny

96° 💧 0.000 in 💨 7 mph H 39%29.91 inHg

6:00 PM

Light rain

93° 💧 0.010 in 💨 6 mph H 46%29.94 inHg

7:00 PM

Sunny

89° 💧 0.003 in 💨 8 mph H 54%29.94 inHg

8:00 PM

Clear night

86° 💧 0.000 in 💨 6 mph H 60%29.94 inHg

9:00 PM

Clear night

84° 💧 None 💨 5 mph H 65%29.97 inHg

10:00 PM

Clear night

83° 💧 None 💨 6 mph H 67%29.97 inHg

11:00 PM

Clear night

83° 💧 None 💨 7 mph H 68%30.00 inHg

Tuesday

12:00 AM

Clear night

81° 💧 None 💨 6 mph H 72%30.00 inHg

1:00 AM

Clear night

80° 💧 None 💨 6 mph H 75%30.00 inHg

2:00 AM

Clear night

79° 💧 None 💨 5 mph H 78%30.00 inHg

3:00 AM

Clear night

79° 💧 None 💨 5 mph H 81%30.03 inHg

4:00 AM

Clear night

78° 💧 None 💨 5 mph H 83%30.03 inHg

5:00 AM

Clear night

77° 💧 None 💨 4 mph H 86%30.03 inHg

6:00 AM

Clear night

77° 💧 None 💨 4 mph H 88%30.06 inHg

7:00 AM

Sunny

76° 💧 None 💨 4 mph H 90%30.06 inHg

8:00 AM

Sunny

79° 💧 None 💨 4 mph H 84%30.09 inHg

9:00 AM

Sunny

82° 💧 None 💨 5 mph H 74%30.09 inHg

10:00 AM

Sunny

85° 💧 None 💨 5 mph H 67%30.09 inHg

11:00 AM

Mostly sunny

88° 💧 None 💨 5 mph H 57%30.09 inHg

12:00 PM

Partly cloudy

91° 💧 None 💨 5 mph H 49%30.09 inHg

1:00 PM

Partly cloudy

93° 💧 None 💨 6 mph H 45%30.06 inHg

2:00 PM

Mostly sunny

95° 💧 None 💨 6 mph H 42%30.03 inHg

3:00 PM

Mostly sunny

96° 💧 None 💨 6 mph H 40%30.03 inHg

4:00 PM

Sunny

96° 💧 None 💨 5 mph H 38%30.00 inHg

5:00 PM

Sunny

95° 💧 0.000 in 💨 5 mph H 39%30.00 inHg

6:00 PM

Sunny

94° 💧 None 💨 4 mph H 40%30.00 inHg

7:00 PM

Sunny

90° 💧 None 💨 3 mph H 50%30.00 inHg

10:00 PM

Clear night

84° 💧 None 💨 3 mph H 64%30.09 inHg

Wednesday

1:00 AM

Clear night

82° 💧 None 💨 4 mph H 66%30.09 inHg

4:00 AM

Clear night

80° 💧 None 💨 3 mph H 73%30.12 inHg

7:00 AM

Sunny

77° 💧 None 💨 3 mph H 80%30.15 inHg

10:00 AM

Sunny

88° 💧 None 💨 2 mph H 57%30.21 inHg

1:00 PM

Sunny

94° 💧 None 💨 6 mph H 43%30.18 inHg

4:00 PM

Mostly sunny

96° 💧 None 💨 6 mph H 38%30.09 inHg

7:00 PM

Sunny

89° 💧 None 💨 3 mph H 54%30.09 inHg

10:00 PM

Clear night

84° 💧 None 💨 4 mph H 64%30.12 inHg

Thursday

1:00 AM

Clear night

82° 💧 None 💨 4 mph H 70%30.15 inHg

4:00 AM

Clear night

80° 💧 None 💨 3 mph H 74%30.15 inHg

7:00 AM

Sunny

78° 💧 None 💨 1 mph H 80%30.18 inHg

10:00 AM

Sunny

88° 💧 None 💨 1 mph H 54%30.21 inHg

1:00 PM

Mostly sunny

96° 💧 None 💨 3 mph H 37%30.18 inHg

4:00 PM

Mostly sunny

97° 💧 None 💨 2 mph H 32%30.09 inHg

7:00 PM

Sunny

90° 💧 None 💨 3 mph H 44%30.09 inHg

10:00 PM

Clear night

84° 💧 None 💨 3 mph H 61%30.12 inHg

Friday

1:00 AM

Clear night

82° 💧 None 💨 3 mph H 62%30.12 inHg

4:00 AM

Clear night

80° 💧 None 💨 2 mph H 66%30.12 inHg

7:00 AM

Sunny

77° 💧 None 💨 1 mph H 74%30.12 inHg

10:00 AM

Sunny

90° 💧 None 💨 2 mph H 42%30.15 inHg

1:00 PM

Sunny

97° 💧 None 💨 4 mph H 33%30.09 inHg

4:00 PM

Mostly sunny

97° 💧 None 💨 3 mph H 31%30.00 inHg

7:00 PM

Sunny

91° 💧 None 💨 3 mph H 41%29.97 inHg

Saturday

1:00 AM

Clear night

83° 💧 None 💨 3 mph H 59%30.00 inHg

7:00 AM

Sunny

77° 💧 None 💨 3 mph H 69%29.97 inHg

1:00 PM

Mostly sunny

98° 💧 None 💨 4 mph H 31%29.94 inHg

7:00 PM

Mostly sunny

91° 💧 None 💨 1 mph H 45%29.83 inHg

Sunday

1:00 AM

Mostly clear night

81° 💧 None 💨 4 mph H 65%29.88 inHg

7:00 AM

Sunny

75° 💧 None 💨 4 mph H 71%29.88 inHg

1:00 PM

Sunny

94° 💧 None 💨 5 mph H 35%29.88 inHg

7:00 PM

Mostly sunny

89° 💧 None 💨 4 mph H 45%29.80 inHg

Monday

1:00 AM

Clear night

80° 💧 None 💨 5 mph H 66%29.88 inHg

7:00 AM

Sunny

75° 💧 None 💨 3 mph H 89%29.88 inHg

1:00 PM

Mostly sunny

90° 💧 None 💨 3 mph H 50%29.88 inHg

7:00 PM

Sunny

87° 💧 None 💨 3 mph H 53%29.83 inHg

Tuesday

1:00 AM

Clear night

77° 💧 None 💨 4 mph H 84%29.88 inHg

7:00 AM

Mostly cloudy

75° 💧 None 💨 3 mph H 90%29.91 inHg

1:00 PM

Mostly cloudy

88° 💧 None 💨 4 mph H 55%29.94 inHg

7:00 PM

Partly cloudy

81° 💧 None 💨 1 mph H 77%29.88 inHg

Wednesday

1:00 AM

Light rain

74° 💧 None 💨 3 mph H 98%29.97 inHg

7:00 AM

Overcast night

73° 💧 None 💨 1 mph H 98%29.94 inHg

1:00 PM

Overcast

85° 💧 None 💨 4 mph H 64%29.94 inHg

7:00 PM

Moderate rain

75° 💧 None 💨 5 mph H 98%29.91 inHg

Thursday

1:00 AM

Mostly clear night

72° 💧 None 💨 2 mph H 99%29.91 inHg

7:00 AM

Overcast night

71° 💧 None 💨 2 mph H 99%29.91 inHg

1:00 PM

Mostly sunny

84° 💧 None 💨 4 mph H 59%29.94 inHg

7:00 PM

Mostly sunny

81° 💧 None 💨 3 mph H 63%29.88 inHg

Friday

1:00 AM

Clear night

73° 💧 None 💨 5 mph H 85%29.94 inHg

7:00 AM

Clear night

70° 💧 None 💨 5 mph H 98%30.00 inHg

1:00 PM

Sunny

87° 💧 None 💨 4 mph H 47%30.03 inHg

7:00 PM

Sunny

81° 💧 None 💨 4 mph H 55%29.97 inHg

Saturday

1:00 AM

Clear night

73° 💧 None 💨 6 mph H 79%30.06 inHg

7:00 AM

Clear night

70° 💧 None 💨 4 mph H 96%30.12 inHg

1:00 PM

Sunny

87° 💧 None 💨 4 mph H 45%30.09 inHg

7:00 PM

Sunny

81° 💧 None 💨 5 mph H 53%30.03 inHg

Sunday

1:00 AM

Clear night

72° 💧 None 💨 4 mph H 73%30.06 inHg

7:00 AM

Clear night

69° 💧 None 💨 1 mph H 82%30.09 inHg

1:00 PM

Mostly cloudy

89° 💧 None 💨 1 mph H 40%30.06 inHg

In Bismarck and, more broadly, across the state of Arkansas: This morning will start with a mix of sun and clouds, creating a partly cloudy sky. Temperatures will be warm, ranging from the mid-70s to low 90s. Winds will be light, coming from the west at around 5 to 9 mph, with occasional gusts reaching 15 mph. No significant rain is expected today, so outdoor plans should be unaffected by precipitation. As the day progresses into the afternoon, the temperature is expected to rise further, reaching the upper 80s to low 90s. The wind will remain gentle, maintaining a westerly direction. Overall, it will be a warm day with comfortable breezes, so it’s a good idea to stay hydrated and protect yourself from the sun during outdoor activities.

15-Day Weather Outlook for Bismarck

TomorrowTomorrow

Mostly sunny 97°/78° 💧 None 💨 7 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 96°/76° 💧 None 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 96°/77° 💧 0.012 in 💨 6 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 97°/78° 💧 0.001 in 💨 4 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 97°/77° 💧 0.001 in 💨 4 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 98°/77° 💧 None 💨 4 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 94°/75° 💧 0.010 in 💨 5 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 90°/75° 💧 0.004 in 💨 5 mph

Tuesday, Sep 22Tue Sep 22

Mostly cloudy 88°/75° 💧 0.028 in 💨 4 mph

Wednesday, Sep 23Wed Sep 23

Light rain 85°/73° 💧 0.141 in 💨 4 mph

Thursday, Sep 24Thu Sep 24

Moderate rain 84°/71° 💧 0.257 in 💨 5 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 87°/70° 💧 0.001 in 💨 5 mph

Saturday, Sep 26Sat Sep 26

Sunny 87°/70° 💧 None 💨 6 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 89°/69° 💧 None 💨 5 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 8:00 AM

PM2.5 Fine particles Good 3,0µg/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 6,2µg/m³

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

O₃ Ozone Good 29,0µg/m³

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

NO₂ Nitrogen dioxide Good 3,4µg/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 8,4Very high 😊Good

Tomorrow UV 8,5Very high 🙂Fair

Tuesday UV 8,4Very high 🙂Fair

Wednesday UV 8,2Very high 🙂Fair

Thursday UV 9,0Very high 😊Good

Friday UV 9,0Very high —Unavailable

Saturday UV 9,0Very high —Unavailable

Hourly UV index today

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

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

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.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Bismarck

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · BISMARCK, ARKANSAS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:47 PM–5:30 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 7% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 84° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min81%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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 7:04 AM. The current forecast period extends through 15/09/2026 at 5:00 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.