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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

76°F

24°C

Humidity 52%
Wind Speed E 12 G 21 mph
Barometer 29.86 in (1010.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 1 Aug 11:52 pm CDT
Extended Forecast for

Bismarck ND

  • Overnight

    Overnight: Partly cloudy, with a low around 67. South wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy smoke after 1pm. Mostly sunny and hot, with a high near 101. South wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 101 °F

    Mostly Sunny
    then Patchy
    Smoke

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 3am. Patchy smoke before 5am. Increasing clouds, with a low around 66. West wind 6 to 13 mph becoming east in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Patchy smoke before 7am. Cloudy through mid morning, then gradual clearing, with a high near 83. Breezy, with a north wind 11 to 21 mph, with gusts as high as 32 mph.

    High: 83 °F

    Slight Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Southwest wind 6 to 8 mph becoming south in the evening.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. South wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday
Patchy smoke after 1pm. Mostly sunny and hot, with a high near 101. South wind 14 to 18 mph, with gusts as high as 28 mph.
Sunday Night
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 3am. Patchy smoke before 5am. Increasing clouds, with a low around 66. West wind 6 to 13 mph becoming east in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Patchy smoke before 7am. Cloudy through mid morning, then gradual clearing, with a high near 83. Breezy, with a north wind 11 to 21 mph, with gusts as high as 32 mph.
Monday Night
Mostly clear, with a low around 52. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Tuesday
Sunny, with a high near 78. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 51. Northwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 85. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 58. Southwest wind 6 to 8 mph becoming south in the evening.
Thursday
Sunny, with a high near 89. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 61. Northwest wind 5 to 9 mph becoming light and variable after midnight.
Friday
Sunny and hot, with a high near 92. Light northeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 61. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 89.
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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:
10:36 pm CDT Aug 1, 2026
Forecast Valid:
12am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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