Bismarck Airport (BIS) Weather 07/20/2025

Tonight
62
Severe Thunderstorms and Patchy Fog
Monday
86
Slight Chance T-storms and Patchy Fog
Monday Night
66
Chance T-storms then T-storms Likely
Tuesday
84
Chance T-storms
Tuesday Night
62
Chance T-storms
Wednesday
79
Mostly Cloudy
Wednesday Night
61
Chance T-storms
Thursday
82
Slight Chance T-storms
Thursday Night
60
Chance T-storms
Friday
87
Mostly Sunny
Friday Night
62
Heavy Rain
Saturday
89
Sunny
Saturday Night
63
Partly Cloudy
Weekly Forecast
Tonight
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. East wind 5 to 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 86. Southeast wind 5 to 7 mph.
Monday Night
Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 66. East wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 84. East wind around 10 mph, with gusts as high as 18 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday
Mostly cloudy, with a high near 79. North wind around 8 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. Northeast wind 5 to 7 mph becoming light and variable after midnight.
Thursday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. West wind 3 to 7 mph.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 60. West wind 5 to 7 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 62. South wind 5 to 9 mph.
Saturday
Sunny, with a high near 89. South wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 63. Southeast wind 5 to 8 mph.