Bismarck Airport (BIS) Weather 08/02/2026
Tonight
67
Slight Chance T-storms then Chance Showers
Thursday
84
Showers Likely
Thursday Night
59
Heavy Rain then Partly Cloudy
Friday
89
Sunny
Friday Night
60
Mostly Clear
Saturday
94
Hot
Saturday Night
64
Mostly Clear
Sunday
99
Hot and Windy
Sunday Night
63
Mostly Clear and Breezy then Chance T-storms
Monday
85
Mostly Sunny and Breezy
Monday Night
53
Mostly Clear and Breezy then Mostly Clear
Tuesday
79
Mostly Sunny
Tuesday Night
53
Mostly Clear
Weekly Forecast
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 67. East wind 3 to 8 mph. Winds could gust as high as 20 mph.
Thursday
Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 84. Northeast wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers and thunderstorms before 9pm. Some of the storms could produce heavy rainfall. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. North wind 5 to 10 mph. New precipitation amounts between a quarter and half of an inch possible.
Friday
Sunny, with a high near 89. Light and variable wind becoming east around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 60. South wind 6 to 8 mph.
Saturday
Sunny and hot, with a high near 94. South wind 6 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 64. South wind 14 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny and hot, with a high near 99. Windy, with a south wind 15 to 25 mph, with gusts as high as 37 mph.
Sunday Night
A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 63. Breezy, with a south wind 19 to 24 mph becoming east 10 to 15 mph after midnight. Winds could gust as high as 33 mph.
Monday
Mostly sunny, with a high near 85. Breezy, with a north wind 17 to 24 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 53. Breezy, with a north wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph.
Tuesday
Mostly sunny, with a high near 79. Northwest wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 53. Northwest wind 5 to 8 mph becoming calm after midnight.