National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Jamestown Municipal Airport (KJMS)

Lat: 46.93°NLon: 98.68°WElev: 1499ft.

Fair

62°F

17°C

Humidity 96%
Wind Speed Calm
Barometer 29.80 in (1008.5 mb)
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 29 Aug 4:56 am CDT
Extended Forecast for

Courtenay ND

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind around 5 mph.

    Low: 63 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am. Mostly cloudy, with a high near 82. East wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly between 11pm and 5am. Mostly cloudy, with a low around 62. East wind around 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 80. East wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Low around 57. Southeast wind around 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Monday

    Monday: Sunny, with a high near 79. Breezy, with a southwest wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 79 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. Southwest wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. West wind 6 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming light and variable in the evening.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind around 5 mph.
Saturday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am. Mostly cloudy, with a high near 82. East wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly between 11pm and 5am. Mostly cloudy, with a low around 62. East wind around 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 80. East wind 8 to 15 mph, with gusts as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Low around 57. Southeast wind around 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Monday
Sunny, with a high near 79. Breezy, with a southwest wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph.
Monday Night
Partly cloudy, with a low around 56. Southwest wind 8 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 79. West wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming light and variable in the evening.
Wednesday
Mostly sunny, with a high near 81. Southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 60. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 82. South wind 8 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 59. East wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Courtenay ND
 47.22°N 98.56°W
Last Update:
4:36 am CDT Aug 29, 2026
Forecast Valid:
5am CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation