National Weather Service Forecast for: Mandan ND
Issued by: National Weather Service Bismarck, ND
Updated: 9:36 pm CDT Jun 18, 2026
 
Tonight

Tonight: Scattered showers and thunderstorms before 1am, then scattered showers between 1am and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 49. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 50%.
Scattered
Showers
 Juneteenth

Juneteenth: Mostly sunny, with a high near 71. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 32 mph.
Mostly Sunny
and Breezy
 Friday
Night
Friday Night: Mostly clear, with a low around 45. Northwest wind 9 to 14 mph becoming light in the evening. Winds could gust as high as 22 mph.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 74. Calm wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Sunny
 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 52. East wind around 11 mph, with gusts as high as 20 mph.
Mostly Cloudy
 Sunday

Sunday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 68. East wind around 11 mph, with gusts as high as 21 mph.
Chance
Showers
 Sunday
Night
Sunday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 49. East wind 5 to 9 mph.
Chance
Showers
 Monday

Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Southeast wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Chance
Showers
 Monday
Night
Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 49. Southwest wind 5 to 9 mph.
Showers
Likely
Lo 49 °F Hi 71 °F Lo 45 °F Hi 74 °F Lo 52 °F Hi 68 °F Lo 49 °F Hi 70 °F Lo 49 °F

Hazardous Weather Outlook
 

Tonight
 
 Scattered showers and thunderstorms before 1am, then scattered showers between 1am and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 49. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 50%.
Juneteenth
 
 Mostly sunny, with a high near 71. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 32 mph.
Friday Night
 
 Mostly clear, with a low around 45. Northwest wind 9 to 14 mph becoming light in the evening. Winds could gust as high as 22 mph.
Saturday
 
 Sunny, with a high near 74. Calm wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
 
 Mostly cloudy, with a low around 52. East wind around 11 mph, with gusts as high as 20 mph.
Sunday
 
 A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 68. East wind around 11 mph, with gusts as high as 21 mph.
Sunday Night
 
 A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 49. East wind 5 to 9 mph.
Monday
 
 A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Southeast wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Monday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 49. Southwest wind 5 to 9 mph.
Tuesday
 
 A chance of showers after 1pm. Mostly sunny, with a high near 71. West wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
 
 Mostly clear, with a low around 48. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.
Wednesday
 
 Mostly sunny, with a high near 76. North wind 3 to 6 mph.
Wednesday Night
 
 Partly cloudy, with a low around 50. Northeast wind around 6 mph becoming calm after midnight.
Thursday
 
 Mostly sunny, with a high near 77.

 

Forecast from NOAA-NWS for Mandan ND.