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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Light Rain

58°F

14°C

Humidity 90%
Wind Speed NW 14 mph
Barometer 29.41 in (995.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Jun 5:52 am CDT
Extended Forecast for

3 Miles NNE Bismarck ND

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Steady temperature around 58. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 66. Northwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 47. Northwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers after 4pm. Mostly sunny, with a high near 70. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 48. West wind 5 to 9 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 73. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Light east wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers. Partly cloudy, with a low around 51. East wind around 13 mph, with gusts as high as 22 mph.

    Low: 51 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 58. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 66. Northwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 47. Northwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers after 4pm. Mostly sunny, with a high near 70. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 48. West wind 5 to 9 mph. Chance of precipitation is 30%.
Juneteenth
Sunny, with a high near 73. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 47. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 74. Light east wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 51. East wind around 13 mph, with gusts as high as 22 mph.
Sunday
A chance of showers after 1pm. Partly sunny, with a high near 70. East wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50. Southeast wind 7 to 9 mph.
Monday
A chance of showers. Partly sunny, with a high near 71. West wind 7 to 11 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers. Partly cloudy, with a low around 49. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Bismarck ND
 46.85°N 100.74°W
Last Update:
5:11 am CDT Jun 17, 2026
Forecast Valid:
5am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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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