Hazardous Weather Conditions
Current conditions at
Jamestown, Jamestown Municipal Airport (KJMS)
Lat: 46.93°NLon: 98.68°WElev: 1499ft.
Fair
83°F
28°C
| Humidity | 61% |
| Wind Speed | SW 15 mph |
| Barometer | 30.03 in (1015.9 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 12 Jul 9:56 am CDT |
Extended Forecast for
Sibley ND
Extreme Heat Warning until July 14, 01:00am
NOW until 1:00am Tue

Extreme Heat Warning
Today

High: 100 °F
Hot and
BreezyTonight

Low: 75 °F
Mostly Clear
and BreezyMonday

High: 100 °F
Hot and
BreezyMonday Night

Low: 73 °F
Mostly Clear
Tuesday

High: 94 °F
Hot
Tuesday Night

Low: 68 °F
Mostly Clear
Wednesday

High: 90 °F
Hot and
BreezyWednesday Night
Low: 68 °F
Breezy.
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Today
Sunny and hot, with a high near 100. Heat index values as high as 104. Breezy, with a south southwest wind 20 to 22 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 75. Breezy, with a south southwest wind 17 to 23 mph, with gusts as high as 37 mph.
Monday
Sunny and hot, with a high near 100. Breezy, with a south southwest wind 24 to 26 mph, with gusts as high as 39 mph.
Monday Night
Mostly clear, with a low around 73. South southwest wind 10 to 17 mph becoming northeast after midnight.
Tuesday
Sunny and hot, with a high near 94. Northeast wind 13 to 16 mph.
Tuesday Night
Mostly clear, with a low around 68. Northeast wind 14 to 17 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny and hot, with a high near 90. Breezy, with an east wind 14 to 20 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68. Breezy, with an east wind 18 to 21 mph.
Thursday
Partly sunny and hot, with a high near 93. Breezy, with an east southeast wind 18 to 20 mph.
Thursday Night
Partly cloudy, with a low around 68. East wind 13 to 18 mph, with gusts as high as 28 mph.
Friday
Mostly sunny and hot, with a high near 93. East wind 13 to 17 mph.
Friday Night
Mostly clear, with a low around 68. Northeast wind 11 to 16 mph becoming west southwest after midnight.
Saturday
Mostly sunny and hot, with a high near 90. Breezy, with a west wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon.
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
9:37 am CDT Jul 12, 2026
10am CDT Jul 12, 2026-6pm CDT Jul 18, 2026



