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

61°F

16°C

Humidity 58%
Wind Speed E 15 mph
Barometer 30.23 in (1023.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Sep 12:52 pm CDT
Extended Forecast for

Bismarck ND

  • This Afternoon

    This Afternoon: A slight chance of showers before 2pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 63. East wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 63 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. East wind 5 to 8 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Southeast wind 3 to 7 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Southeast wind around 7 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. South wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. Southeast wind around 16 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    High: 68 °F

    Slight Chance
    Showers then
    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 54. Southeast wind 6 to 14 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Showers
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 75. South wind 3 to 5 mph.

    High: 75 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers before 2pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 63. East wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 50. East wind 5 to 8 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Southeast wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 46. Southeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 66. South wind 7 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 52. Southeast wind around 16 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 54. Southeast wind 6 to 14 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 75. South wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 55. Southeast wind 3 to 6 mph.
Friday
Mostly cloudy, with a high near 74. Southeast wind 6 to 16 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 57. Southeast wind around 16 mph, with gusts as high as 23 mph.
Saturday
Mostly cloudy, with a high near 73. South wind around 16 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.8°W
Last Update:
1:31 pm CDT Sep 20, 2026
Forecast Valid:
1pm CDT Sep 20, 2026-6pm CDT Sep 26, 2026
 
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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