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

24 April 2026 Fri
5.4 ° C
( 41.7°F )

Overcast
Overcast
Feels Like : 0.2 ° C / 32.4°F
Humidity : % 61
Pressure : 1006 mb
Wind Speed : 34.2 kmph / 21.3 miles from NWNW
Visibility : 16 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
23 April 2026 Thu Patchy rain nearby Patchy rain nearby 0.5 ° C 9.7 ° C 6.4 ° C % 68 45 km/h 85%
24 April 2026 Fri Light freezing rain Light freezing rain -3.2 ° C 3.6 ° C 0.8 ° C % 54 41.8 km/h 88%
25 April 2026 Sat Patchy rain nearby Patchy rain nearby -3.2 ° C 5.1 ° C 1.1 ° C % 49 29.5 km/h 85%
26 April 2026 Sun Patchy rain nearby Patchy rain nearby -2.5 ° C 8.2 ° C 2.5 ° C % 58 25.9 km/h 81%
27 April 2026 Mon Patchy rain nearby Patchy rain nearby -4.4 ° C 8.7 ° C 2.7 ° C % 66 16.2 km/h 73%
28 April 2026 Tue Partly Cloudy Partly Cloudy -0.9 ° C 11.3 ° C 3.3 ° C % 56 20.9 km/h 0%
29 April 2026 Wed Patchy rain nearby Patchy rain nearby -0.4 ° C 7.1 ° C 4 ° C % 57 31 km/h 82%
30 April 2026 Thu Partly Cloudy Partly Cloudy -1.5 ° C 10.1 ° C 4.2 ° C % 54 21.2 km/h 0%
01 May 2026 Fri Sunny Sunny -0.1 ° C 14.1 ° C 7.2 ° C % 44 10.1 km/h 0%
02 May 2026 Sat Sunny Sunny 3.2 ° C 19.2 ° C 11.5 ° C % 39 18.7 km/h 0%
03 May 2026 Sun Partly Cloudy Partly Cloudy 8.7 ° C 18.5 ° C 13.4 ° C % 35 11.9 km/h 0%
04 May 2026 Mon Sunny Sunny 6.2 ° C 21.1 ° C 14 ° C % 47 12.2 km/h 0%
05 May 2026 Tue Sunny Sunny 9 ° C 22.5 ° C 16.2 ° C % 33 21.6 km/h 0%
06 May 2026 Wed Partly Cloudy Partly Cloudy 10.1 ° C 20.1 ° C 14.7 ° C % 51 24.5 km/h 0%
Weather forecasts are usually fully updated every 3 hours.

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