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

Jamestown, Jamestown Municipal Airport (KJMS)

Lat: 46.93°NLon: 98.68°WElev: 1499ft.

Fair

52°F

11°C

Humidity 97%
Wind Speed NW 3 mph
Barometer 30.14 in (1020.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 27 Aug 4:56 am CDT
Extended Forecast for

Sibley ND

  • Today

    Today: Sunny, with a high near 78. Calm wind becoming north around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. East southeast wind 3 to 7 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 81. Southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South southeast wind 8 to 14 mph. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. East southeast wind 6 to 10 mph.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East wind 6 to 9 mph becoming north after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. North northeast wind 7 to 13 mph.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 56. East northeast wind 8 to 11 mph becoming west southwest after midnight. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 81 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 48. East southeast wind 3 to 7 mph.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 81. Southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South southeast wind 8 to 14 mph. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. East southeast wind 6 to 10 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East wind 6 to 9 mph becoming north after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. North northeast wind 7 to 13 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. East northeast wind 8 to 11 mph becoming west southwest after midnight. Chance of precipitation is 50%.
Monday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Monday Night
Mostly clear, with a low around 53. West southwest wind 7 to 15 mph.
Tuesday
Mostly sunny, with a high near 81. West wind 6 to 14 mph becoming south in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55. East southeast wind 6 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. South southeast wind 6 to 13 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sibley ND
 47.21°N 97.97°W
Last Update:
4:46 am CDT Aug 27, 2026
Forecast Valid:
5am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation