Today | Weather | Thursday, February 26, 2026

Weather in Bismarck, North Dakota

02:57 AM
Now
Cloudy Night
25° F
Feels Like 19°
Precipitation 0 %
Wind 7 mph
Humidity 78 %
Today
Cloudy Weather
Day 48°
Night 30°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 2
Overnight Frost 2 AM – 9 AM

Bismarck Weather Forecast Updated

3 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 26, 2025)

Day

50°

Night

27°

Air Quality in Bismarck

NOW
42 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.98 µg/m³
PM10 2.65 µg/m³
O3 0.045 ppm
NO2 0.5 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 0.32 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.50.98 µg/m³
PM102.65 µg/m³
O389.14 µg/m³
NO20.99 µg/m³
SO20.22 µg/m³
CO137.83 µg/m³
NH30.32 µg/m³
NO0 µg/m³