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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Partly Cloudy

87°F

31°C

Humidity 27%
Wind Speed N 16 G 30 mph
Barometer 29.97 in (1014.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Aug 1:52 pm CDT
Extended Forecast for

Bismarck Municipal Airport ND

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 88. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm. Mostly sunny, with a high near 86. Light and variable wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. North wind 6 to 11 mph becoming light northeast after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Southeast wind 6 to 8 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Southeast wind 9 to 18 mph, with gusts as high as 30 mph.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 62. Southeast wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 89. South wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 89 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 88. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 57. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
A slight chance of showers between 1pm and 4pm. Mostly sunny, with a high near 86. Light and variable wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 54. North wind 6 to 11 mph becoming light northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 83. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 59. Southeast wind 6 to 8 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Southeast wind 9 to 18 mph, with gusts as high as 30 mph.
Sunday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 62. Southeast wind 9 to 16 mph, with gusts as high as 24 mph.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 89. South wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 60. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 84. Northwest wind 7 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 55. Northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 83. Calm wind becoming northwest 5 to 7 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bismarck Municipal Airport ND
 46.77°N 100.76°W
Last Update:
1:31 pm CDT Aug 20, 2026
Forecast Valid:
2pm CDT Aug 20, 2026-6pm CDT Aug 26, 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