National Weather Service Forecast for: Wahpeton ND
Issued by: National Weather Service Grand Forks, ND
Updated: 2:52 am CDT Aug 20, 2026
 
Overnight

Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
 Thursday

Thursday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Mostly sunny, with a high near 86. South wind 8 to 16 mph becoming west northwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 57. Northwest wind 5 to 14 mph.
Mostly Clear

 Friday

Friday: Mostly sunny, with a high near 83. North northwest wind 5 to 11 mph.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 56. North wind 7 to 10 mph.
Partly Cloudy

 Saturday

Saturday: Sunny, with a high near 80. North wind 6 to 11 mph.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 51. North wind 5 to 8 mph becoming calm in the evening.
Mostly Clear

 Sunday

Sunday: Mostly sunny, with a high near 81. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Mostly Sunny

 Sunday
Night
Sunday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 59. Southeast wind 9 to 11 mph.
Partly Cloudy
then Chance
Showers
Lo 62 °F Hi 86 °F Lo 57 °F Hi 83 °F Lo 56 °F Hi 80 °F Lo 51 °F Hi 81 °F Lo 59 °F

Hazardous Weather Outlook
 

Overnight
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Mostly sunny, with a high near 86. South wind 8 to 16 mph becoming west northwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 Mostly clear, with a low around 57. Northwest wind 5 to 14 mph.
Friday
 
 Mostly sunny, with a high near 83. North northwest wind 5 to 11 mph.
Friday Night
 
 Partly cloudy, with a low around 56. North wind 7 to 10 mph.
Saturday
 
 Sunny, with a high near 80. North wind 6 to 11 mph.
Saturday Night
 
 Mostly clear, with a low around 51. North wind 5 to 8 mph becoming calm in the evening.
Sunday
 
 Mostly sunny, with a high near 81. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Sunday Night
 
 A 30 percent chance of showers after 1am. Partly cloudy, with a low around 59. Southeast wind 9 to 11 mph.
Monday
 
 A 20 percent chance of showers before 1pm. Partly sunny, with a high near 84. South southeast wind 13 to 15 mph.
Monday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. South southwest wind 9 to 11 mph.
Tuesday
 
 Mostly sunny, with a high near 85. Southwest wind 8 to 15 mph becoming northwest in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 58. North northwest wind 6 to 13 mph.
Wednesday
 
 Mostly sunny, with a high near 82. North northwest wind 6 to 11 mph.

 

Forecast from NOAA-NWS for Wahpeton ND.