National Weather Service Forecast for: Casselton ND
Issued by: National Weather Service Grand Forks, ND
Updated: 3:36 pm CDT Jul 28, 2026
 
Tonight

Tonight: Patchy smoke. Partly cloudy, with a low around 66. South southeast wind around 6 mph becoming northeast in the evening.
Patchy Smoke

Wednesday

Wednesday: Patchy smoke before 1pm, then patchy smoke after 3pm. Mostly sunny and hot, with a high near 97. South wind 5 to 11 mph.
Patchy Smoke

Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Patchy smoke before 8pm. Partly cloudy, with a low around 70. South wind 11 to 14 mph.
Patchy Smoke
then Slight
Chance
T-storms
Thursday

Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm.  High near 87. South wind 8 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Chance
Showers then
Showers
Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Mostly cloudy, with a low around 63. East wind 8 to 11 mph becoming north northeast after midnight.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Showers
Likely

Friday

Friday: Mostly sunny, with a high near 86. North northeast wind around 14 mph.
Mostly Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 60. North wind 5 to 11 mph.
Mostly Clear

Saturday

Saturday: Sunny, with a high near 87. Light and variable wind becoming east southeast 5 to 8 mph in the morning.
Sunny

Saturday
Night
Saturday Night: Mostly clear, with a low around 63. South southeast wind 9 to 11 mph.
Mostly Clear

Lo 66 °F Hi 97 °F Lo 70 °F Hi 87 °F Lo 63 °F Hi 86 °F Lo 60 °F Hi 87 °F Lo 63 °F

Heat Advisory
 

Tonight
 
Patchy smoke. Partly cloudy, with a low around 66. South southeast wind around 6 mph becoming northeast in the evening.
Wednesday
 
Patchy smoke before 1pm, then patchy smoke after 3pm. Mostly sunny and hot, with a high near 97. South wind 5 to 11 mph.
Wednesday Night
 
A 20 percent chance of showers and thunderstorms after 1am. Patchy smoke before 8pm. Partly cloudy, with a low around 70. South wind 11 to 14 mph.
Thursday
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. South wind 8 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
 
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 63. East wind 8 to 11 mph becoming north northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
 
Mostly sunny, with a high near 86. North northeast wind around 14 mph.
Friday Night
 
Mostly clear, with a low around 60. North wind 5 to 11 mph.
Saturday
 
Sunny, with a high near 87. Light and variable wind becoming east southeast 5 to 8 mph in the morning.
Saturday Night
 
Mostly clear, with a low around 63. South southeast wind 9 to 11 mph.
Sunday
 
Sunny and hot, with a high near 90. Windy, with a south wind 14 to 19 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.
Sunday Night
 
A 20 percent chance of showers. Mostly clear, with a low around 68. Breezy, with a south southeast wind 23 to 29 mph, with gusts as high as 40 mph.
Monday
 
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90. Breezy, with a south wind 22 to 26 mph, with gusts as high as 37 mph.
Monday Night
 
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. Breezy, with a north northwest wind 21 to 26 mph decreasing to 15 to 20 mph after midnight.
Tuesday
 
Sunny, with a high near 80. North northwest wind 11 to 14 mph.

 

Forecast from NOAA-NWS for Casselton ND.