North Dakota · NWS BIS office

Mandan, ND weather

It is 39°F and fog/mist at MANDAN as of Oct 28, 12:35 AM CDT. Overnight: Patchy Fog, low near 32°F. Forecast from the National Weather Service, issued Oct 28, 12:35 AM CDT.

Updated Oct 28, 1:30 AM CDT (snapshot)

Current conditions

Temperature

39°F

Fog/Mist · feels like 31°F

Wind

S 16 mph

Humidity 100% · dew point 39°F

Pressure · visibility

29.87 inHg

Visibility 0.5 mi

Observed at MANDAN (KY19), Oct 28, 12:35 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Mandan forecast zone right now.

Around the NWS BIS forecast area

No active alerts in zones served by the BIS office near Mandan.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. No alerts are active anywhere in North Dakota.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Mandan (local time)
TimeTempForecastPrecip. chanceWind
Wed 1 AM35°FPatchy Fog0%S 10 mph
Wed 2 AM36°FPatchy Fog0%S 8 mph
Wed 3 AM35°FPatchy Fog0%S 7 mph
Wed 4 AM34°FPatchy Fog0%S 7 mph
Wed 5 AM34°FPatchy Fog0%S 5 mph
Wed 6 AM33°FPatchy Fog0%S 3 mph
Wed 7 AM33°FPatchy Fog1%S 3 mph
Wed 8 AM33°FPatchy Fog2%S 3 mph
Wed 9 AM36°FPatchy Fog18%S 2 mph
Wed 10 AM39°FPatchy Fog20%SW 2 mph
Wed 11 AM44°FPatchy Fog19%W 3 mph
Wed 12 PM49°FSlight Chance Rain Showers19%W 5 mph
Wed 1 PM54°FSlight Chance Rain Showers19%W 7 mph
Wed 2 PM57°FMostly Sunny13%W 9 mph
Wed 3 PM59°FMostly Sunny6%W 12 mph
Wed 4 PM59°FSunny0%W 13 mph
Wed 5 PM58°FSunny0%W 12 mph
Wed 6 PM56°FClear0%W 9 mph
Wed 7 PM50°FClear0%W 7 mph
Wed 8 PM46°FMostly Clear0%W 6 mph
Wed 9 PM43°FMostly Clear0%W 5 mph
Wed 10 PM41°FMostly Clear0%W 5 mph
Wed 11 PM39°FMostly Clear0%W 3 mph
Thu 12 AM36°FClear0%W 3 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Mandan can differ.

7-day forecast

Overnight

Low 32°F

Patchy fog. Mostly cloudy. Low around 32, with temperatures rising to around 34 overnight. South wind 5 to 8 mph, with gusts as high as 18 mph.

Wednesday

High 59°F·Low 28°F

Patchy fog before 9am, then patchy fog and a slight chance of rain between 9am and 1pm. Partly sunny, with a high near 59. Southwest wind 3 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Wednesday Night: Mostly clear. Low around 28, with temperatures rising to around 30 overnight. West wind 1 to 10 mph, with gusts as high as 20 mph.

Thursday

High 54°F·Low 29°F

Sunny, with a high near 54. North wind 0 to 6 mph.

Thursday Night: Mostly clear, with a low around 29. Northeast wind around 5 mph.

Friday

High 50°F·Low 37°F

Mostly sunny, with a high near 50. East wind 6 to 10 mph, with gusts as high as 20 mph.

Friday Night: Mostly cloudy, with a low around 37. East wind around 10 mph, with gusts as high as 20 mph.

Saturday

High 56°F·Low 42°F

A slight chance of rain showers after 1pm. Mostly cloudy, with a high near 56. Southeast wind around 8 mph.

Saturday Night: A slight chance of rain showers. Mostly cloudy, with a low around 42. Southeast wind 3 to 7 mph.

Sunday

High 59°F·Low 42°F

Mostly cloudy, with a high near 59. Southeast wind 3 to 8 mph.

Sunday Night: A chance of rain showers. Mostly cloudy, with a low around 42. Southeast wind around 9 mph, with gusts as high as 18 mph.

Monday

High 53°F·Low 37°F

A chance of rain showers. Mostly cloudy, with a high near 53. East wind 9 to 16 mph, with gusts as high as 28 mph.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 37. North wind 9 to 14 mph, with gusts as high as 24 mph.

Tuesday

High 51°F

A chance of rain showers. Mostly cloudy, with a high near 51.

Nearby cities

Larger cities in the area

See every city we cover in North Dakota, or check all active alerts.

About this forecast

Forecast office
Mandan is served by the National Weather Service BIS forecast office, forecast zone NDZ060, county zone NDC059.
Location used
The Census Bureau's internal point for Mandan (46.8295, -100.8871), in Morton County. Population: 24,788 (2024 estimate), number 8 of the 8 North Dakota cities on this site.
Radar
Nearest NWS radar: KBIS. View it on radar.weather.gov.

On Amazon

Weather-ready picks

As an Amazon Associate I earn from qualifying purchases.

Home & kitchen LEVOIT Air Purifier An air purifier for smoky or high-pollen days indoors. View on Amazon → Men’s fashion Hanes Fleece Hooded Sweatshirt A warm hoodie for chilly mornings. View on Amazon → Fitness & outdoors Stanley Quencher H2.0 Tumbler A big tumbler for long commutes and outdoor days. View on Amazon → Fitness & outdoors LifeStraw Personal Water Filter A personal water filter worth adding to an emergency kit. View on Amazon →

Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/46.8295,-100.8871 (forecast issued Oct 28, 12:35 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

More North Dakota cities