National Weather Service Forecast for: Jamestown ND
Issued by: National Weather Service Bismarck, ND
Updated: 4:36 pm CDT Jul 28, 2026
 
This
Afternoon
This Afternoon: A 20 percent chance of showers and thunderstorms. Patchy smoke. Mostly sunny and hot, with a high near 93. Heat index values as high as 96. South wind around 10 mph.
Slight Chance
T-storms
 Tonight

Tonight: Patchy smoke. Partly cloudy, with a low around 66. Southeast wind 6 to 10 mph becoming southwest after midnight.
Patchy Smoke

 Wednesday

Wednesday: Patchy smoke before 10am, then patchy smoke after 4pm. Mostly sunny and hot, with a high near 94. Southwest wind 6 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Patchy Smoke

 Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Patchy smoke before 7pm. Partly cloudy, with a low around 68. South wind 9 to 11 mph, with gusts as high as 20 mph.
Patchy Smoke
then Chance
Showers
 Thursday

Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 83. Southeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Chance
Showers then
Showers
 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 62. Northeast wind 6 to 9 mph. Chance of precipitation is 60%.
Showers
Likely
 Friday

Friday: Mostly sunny, with a high near 85. Northeast wind 7 to 9 mph.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 61. Northeast wind 5 to 7 mph becoming light and variable after midnight.
Partly Cloudy

 Saturday

Saturday: Sunny, with a high near 86. Light southeast wind becoming south 5 to 9 mph in the morning.
Sunny
Hi 93 °F Lo 66 °F Hi 94 °F Lo 68 °F Hi 83 °F Lo 62 °F Hi 85 °F Lo 61 °F Hi 86 °F

 

This Afternoon
 
 A 20 percent chance of showers and thunderstorms. Patchy smoke. Mostly sunny and hot, with a high near 93. Heat index values as high as 96. South wind around 10 mph.
Tonight
 
 Patchy smoke. Partly cloudy, with a low around 66. Southeast wind 6 to 10 mph becoming southwest after midnight.
Wednesday
 
 Patchy smoke before 10am, then patchy smoke after 4pm. Mostly sunny and hot, with a high near 94. Southwest wind 6 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 A 30 percent chance of showers and thunderstorms after 1am. Patchy smoke before 7pm. Partly cloudy, with a low around 68. South wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 83. Southeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Thursday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 62. Northeast wind 6 to 9 mph. Chance of precipitation is 60%.
Friday
 
 Mostly sunny, with a high near 85. Northeast wind 7 to 9 mph.
Friday Night
 
 Partly cloudy, with a low around 61. Northeast wind 5 to 7 mph becoming light and variable after midnight.
Saturday
 
 Sunny, with a high near 86. Light southeast wind becoming south 5 to 9 mph in the morning.
Saturday Night
 
 Mostly clear, with a low around 64. South wind around 11 mph, with gusts as high as 22 mph.
Sunday
 
 Sunny and hot, with a high near 90. Windy, with a south wind 15 to 25 mph, with gusts as high as 38 mph.
Sunday Night
 
 Mostly clear, with a low around 67. Breezy, with a south wind 18 to 23 mph, with gusts as high as 36 mph.
Monday
 
 A chance of showers. Partly sunny, with a high near 85. South wind around 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Monday Night
 
 Partly cloudy, with a low around 56. Breezy.
Tuesday
 
 Sunny, with a high near 79.

 

Forecast from NOAA-NWS for Jamestown ND.