National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

Lat: 46.78°NLon: 100.76°WElev: 1677ft.

Overcast

63°F

17°C

Humidity 81%
Wind Speed E 6 mph
Barometer 30.11 in (1019.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Sep 12:52 pm CDT
Extended Forecast for

Bismarck ND

  • This Afternoon

    This Afternoon: Cloudy, with a high near 68. Northeast wind around 9 mph.

    High: 68 °F

    Cloudy

  • Tonight

    Tonight: A 50 percent chance of showers, mainly after 5am. Cloudy, with a low around 53. East wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 3pm. Cloudy, with a high near 62. East wind around 10 mph, with gusts as high as 18 mph.

    High: 62 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 10 percent chance of showers before 7pm. Cloudy, with a low around 48. East wind 5 to 7 mph.

    Low: 48 °F

    Slight Chance
    Showers then
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67. Southeast wind 3 to 8 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Southeast wind around 7 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. South wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Southeast wind around 15 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 70. Southeast wind 15 to 18 mph, with gusts as high as 25 mph.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Cloudy, with a high near 68. Northeast wind around 9 mph.
Tonight
A 50 percent chance of showers, mainly after 5am. Cloudy, with a low around 53. East wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
A 30 percent chance of showers, mainly after 3pm. Cloudy, with a high near 62. East wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
A 10 percent chance of showers before 7pm. Cloudy, with a low around 48. East wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 67. Southeast wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 47. Southeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 67. South wind 8 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 52. Southeast wind around 15 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 70. Southeast wind 15 to 18 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Southeast wind 8 to 14 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 75. South wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 55. Southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 76. Southeast wind 6 to 15 mph, with gusts as high as 22 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.8°W
Last Update:
1:21 pm CDT Sep 19, 2026
Forecast Valid:
1pm CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation