Hazardous Weather Conditions
Current conditions at
Jamestown, Jamestown Municipal Airport (KJMS)
Lat: 46.93°NLon: 98.68°WElev: 1499ft.
Fair
73°F
23°C
| Humidity | 71% |
| Wind Speed | E 8 mph |
| Barometer | 30.12 in (1019.1 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 15 Jul 12:56 am CDT |
Extended Forecast for
Sibley ND
Heat Advisory until July 16, 10:00pm
NOW until 10:00pm Thu

Heat Advisory
Overnight

Low: 68 °F
Mostly Clear
Wednesday

High: 90 °F
Hot
Wednesday Night

Low: 66 °F
Mostly Clear
Thursday

High: 94 °F
Hot
Thursday Night
Low: 70 °F
Mostly Clear
then Slight
Chance
T-stormsFriday

High: 93 °F
Hot
Friday Night

Low: 65 °F
Mostly Clear
Saturday

High: 91 °F
Hot
Detailed Forecast
Overnight
Mostly clear, with a low around 68. East northeast wind around 16 mph.
Wednesday
Mostly sunny and hot, with a high near 90. East wind 14 to 18 mph.
Wednesday Night
Mostly clear, with a low around 66. East northeast wind 9 to 14 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny and hot, with a high near 94. Heat index values as high as 98. Southeast wind 8 to 17 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Southeast wind 13 to 16 mph.
Friday
Mostly sunny and hot, with a high near 93. West wind 13 to 17 mph becoming north northwest in the afternoon.
Friday Night
Mostly clear, with a low around 65. North wind 7 to 16 mph.
Saturday
Mostly sunny and hot, with a high near 91. North northeast wind 7 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. East northeast wind 7 to 10 mph becoming south southwest after midnight.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 93. Southwest wind 9 to 18 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers. Mostly clear, with a low around 66. West northwest wind 11 to 16 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 84. Breezy, with a north northwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Breezy, with a north northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight.
Tuesday
Mostly sunny, with a high near 79. Breezy, with a north northwest wind 11 to 21 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sibley ND
47.21°N 97.97°W
47.21°N 97.97°W
12:36 am CDT Jul 15, 2026
1am CDT Jul 15, 2026-6pm CDT Jul 21, 2026



