On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

Users are encouraged to continue to provide comments regarding these changes via email at icons@noaa.gov. NWS will continue to analyze incoming feedback and refine the icons as necessary. Any substantial change to the icons will be facilitated through the NWS public comment/review process.

Heat Wave in Central U.S.

Dangerous heat will continue in the Nation's mid-section on Tuesday. Combined with high humidity, this will lead to Heat Index temperatures ranging from 100 to 110 degrees Fahrenheit across parts of the Plains and mid-South. Heat Advisories and Excessive Heat Warnings are in effect. If you must be outside, slow down and drink plenty of water.
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Hazardous Weather Conditions

Current conditions at

Jamestown, Jamestown Municipal Airport (KJMS)

Lat: 46.93°NLon: 98.68°WElev: 1499ft.

Fair

79°F

26°C

Humidity 85%
Wind Speed SE 18 G 25 mph
Barometer 29.72 in (1005.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 27 Jul 9:56 pm CDT
Extended Forecast for

9 Miles SSW Sibley ND

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 3am and 5am. Some of the storms could be severe.  Mostly cloudy, with a low around 69. South southeast wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Isolated
    T-storms then
    Severe
    Thunderstorms

    Low: 69 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Windy, with a west southwest wind 11 to 21 mph increasing to 23 to 33 mph in the afternoon. Winds could gust as high as 44 mph.

    Mostly Sunny
    then Sunny
    and Windy

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers after 4am.  Mostly cloudy, with a low around 60. Windy, with a west wind 35 to 40 mph decreasing to 24 to 29 mph after midnight. Winds could gust as high as 55 mph.

    Slight Chance
    Showers and
    Windy

    Low: 60 °F

  • Wednesday

    Wednesday: Sunny, with a high near 79. Breezy, with a west northwest wind 22 to 28 mph, with gusts as high as 36 mph.

    Sunny and
    Breezy

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 57. West wind 13 to 18 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 24 mph.

    Mostly Clear

    Low: 57 °F

  • Thursday

    Thursday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

  • Friday

    Friday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 61.

    Mostly Clear

    Low: 61 °F

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly between 3am and 5am. Some of the storms could be severe. Mostly cloudy, with a low around 69. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 77. Windy, with a west southwest wind 11 to 21 mph increasing to 23 to 33 mph in the afternoon. Winds could gust as high as 44 mph.
Tuesday Night
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 60. Windy, with a west wind 35 to 40 mph decreasing to 24 to 29 mph after midnight. Winds could gust as high as 55 mph.
Wednesday
Sunny, with a high near 79. Breezy, with a west northwest wind 22 to 28 mph, with gusts as high as 36 mph.
Wednesday Night
Mostly clear, with a low around 57. West wind 13 to 18 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 24 mph.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
  Click Map For Forecast
Point Forecast:
9 Miles SSW Sibley ND
 47.1°N 98°W
10:15 pm CDT Jul 27, 2015
10pm CDT Jul 27, 2015-6pm CDT Aug 3, 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database