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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Jamestown Municipal Airport (KJMS)

Lat: 46.93°NLon: 98.68°WElev: 1499ft.

Fair and Breezy

96°F

36°C

Humidity 39%
Wind Speed SW 21 G 32 mph
Barometer 30.02 in (1015.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 12 Jul 2:56 pm CDT
Extended Forecast for

Courtenay ND

Extreme Heat Warning July 12, 03:58pm until July 14, 01:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 12, 03:58pm until July 14, 01:00am

    NOW until 1:00am Tue

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Mostly sunny and hot, with a high near 99. Heat index values as high as 102. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 37 mph.

    High: 99 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. South wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. East wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Northeast wind 15 to 17 mph, with gusts as high as 28 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 91. East wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Breezy, with an east wind 17 to 20 mph, with gusts as high as 30 mph.

    Low: 69 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny and hot, with a high near 91. Breezy, with an east wind 17 to 21 mph, with gusts as high as 30 mph.

    High: 91 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Breezy, with a south wind 17 to 22 mph, with gusts as high as 34 mph.
Monday
Mostly sunny and hot, with a high near 99. Heat index values as high as 102. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 37 mph.
Monday Night
Mostly clear, with a low around 71. South wind 8 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny and hot, with a high near 92. East wind 8 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 67. Northeast wind 15 to 17 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny and hot, with a high near 91. East wind 15 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 69. Breezy, with an east wind 17 to 20 mph, with gusts as high as 30 mph.
Thursday
Partly sunny and hot, with a high near 91. Breezy, with an east wind 17 to 21 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 67. Breezy, with an east wind 13 to 20 mph, with gusts as high as 29 mph.
Friday
Mostly sunny and hot, with a high near 91. Northeast wind around 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 67. Northeast wind 10 to 13 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny and hot, with a high near 90. Northeast wind 11 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 65. North wind 14 to 17 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 84. Breezy.
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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:
3:36 pm CDT Jul 12, 2026
Forecast Valid:
3pm CDT Jul 12, 2026-6pm CDT Jul 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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