Bismarck Airport (BIS) Weather 09/20/2025
Tonight
53
Mostly Cloudy then Patchy Fog
Saturday
68
Patchy Fog then Partly Sunny
Saturday Night
48
Mostly Clear
Sunday
75
Sunny
Sunday Night
52
Mostly Clear
Monday
77
Sunny
Monday Night
53
Partly Cloudy
Tuesday
75
Sunny
Tuesday Night
52
Mostly Clear
Wednesday
75
Sunny
Wednesday Night
53
Mostly Clear
Thursday
74
Sunny
Thursday Night
52
Mostly Clear
Weekly Forecast
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 53. Northwest wind 3 to 8 mph.
Saturday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 68. Northwest wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 48. Light and variable wind.
Sunday
Sunny, with a high near 75. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52. Southeast wind around 6 mph.
Monday
Sunny, with a high near 77. Southeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 53. Northwest wind around 8 mph.
Tuesday
Sunny, with a high near 75. North wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 52. Northeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. Southeast wind around 7 mph.
Thursday
Sunny, with a high near 74. South wind 8 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 52. South wind 8 to 11 mph, with gusts as high as 18 mph.