Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

67°F

19°C

Humidity 73%
Wind Speed Calm
Barometer 30.09 in (1018.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Aug 12:52 am CDT
Extended Forecast for

Bismarck ND

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 58. South wind 3 to 5 mph.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before 7am.  Mostly sunny, with a high near 84. Southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 84 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Increasing clouds, with a low around 56. Northwest wind 5 to 9 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Light and variable wind becoming north 5 to 7 mph in the afternoon.

    High: 79 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. North wind 5 to 7 mph becoming calm  after midnight.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 82. Light and variable wind becoming south around 6 mph in the morning.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Southeast wind around 6 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. South wind 5 to 9 mph becoming west in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Northwest wind 5 to 7 mph becoming northeast in the evening.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 58. South wind 3 to 5 mph.
Monday
A 30 percent chance of showers before 7am. Mostly sunny, with a high near 84. Southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Monday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 56. Northwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Light and variable wind becoming north 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. North wind 5 to 7 mph becoming calm after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 82. Light and variable wind becoming south around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57. Southeast wind around 6 mph.
Thursday
Sunny, with a high near 87. South wind 5 to 9 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 59. Northwest wind 5 to 7 mph becoming northeast in the evening.
Friday
Sunny, with a high near 84. North wind 5 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 55. North wind 5 to 9 mph becoming calm after midnight.
Saturday
Sunny, with a high near 82. Calm wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. Southeast wind around 9 mph.
Sunday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.8°W
1:06 am CDT Aug 17, 2026
1am CDT Aug 17, 2026-6pm CDT Aug 23, 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