Sloulin Field International Airport (ISN) 15 Day Weather Forecast, Williston United States
Current weather conditions and 15 day weather forecast for Sloulin Field International Airport in Williston, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at ISN
| 14 March 2026 Sat -5.9 ° C ( 21.4°F )  Mist |
Feels Like : -13 ° C / 8.7°F Humidity : % 100 Pressure : 1012 mb Wind Speed : 21.6 kmph / 13.4 miles from E 
Visibility : 8 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Sloulin Field International Airport, Williston, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 March 2026 Sat |  Light freezing rain |
-9.8 ° C | -2.4 ° C | -6.1 ° C | % 75 | 30.2 km/h | 87% |
| 15 March 2026 Sun |  Partly Cloudy |
-11.8 ° C | -4.3 ° C | -8.7 ° C | % 57 | 24.1 km/h | 0% |
| 16 March 2026 Mon | Partly Cloudy |
-10.9 ° C | 1.7 ° C | -5 ° C | % 52 | 24.5 km/h | 0% |
| 17 March 2026 Tue |  Overcast |
-2.2 ° C | 12.3 ° C | 3.4 ° C | % 76 | 28.4 km/h | 0% |
| 18 March 2026 Wed |  Sunny |
2.5 ° C | 16.7 ° C | 8.6 ° C | % 67 | 22.3 km/h | 0% |
| 19 March 2026 Thu | Sunny |
9.1 ° C | 19.3 ° C | 13.1 ° C | % 49 | 29.5 km/h | 0% |
| 20 March 2026 Fri | Sunny |
8.7 ° C | 22.1 ° C | 14.4 ° C | % 54 | 29.5 km/h | 0% |
| 21 March 2026 Sat | Partly Cloudy |
8.7 ° C | 19.9 ° C | 13.9 ° C | % 57 | 24.5 km/h | 0% |
| 22 March 2026 Sun |  Cloudy |
3.1 ° C | 8.2 ° C | 6.1 ° C | % 78 | 25.9 km/h | 0% |
| 23 March 2026 Mon |  Light snow |
-0.4 ° C | 1.5 ° C | 0.8 ° C | % 91 | 32.8 km/h | 78% |
| 24 March 2026 Tue |  Fog |
1.8 ° C | 4.8 ° C | 2.8 ° C | % 93 | 21.2 km/h | 0% |
| 25 March 2026 Wed |  Heavy snow |
-2.4 ° C | 0 ° C | -0.3 ° C | % 87 | 27 km/h | 62% |
| 26 March 2026 Thu | Heavy snow |
-4 ° C | -2.5 ° C | -3.4 ° C | % 93 | 24.8 km/h | 68% |
| 27 March 2026 Fri |  Moderate snow |
-6.3 ° C | -0.3 ° C | -2.8 ° C | % 96 | 16.6 km/h | 76% |
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