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 August 2025 Thu
17.1 ° C
( 62.8°F )

Clear
Clear
Feels Like : 17.1 ° C / 62.8°F
Humidity : % 83
Pressure : 1005 mb
Wind Speed : 11.9 kmph / 7.4 miles from SSWSSW
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 25

15-day weather forecast for Sloulin Field International Airport, Williston, United States

Date
14 August 2025 Thu
Weather forecastSunny Sunny
Low temperature19.6 ° C
High temperature29.8 ° C
Average Temperature24.6 ° C
Humidity% 62
Wind25.9 km/h
Chance of rain0%
15 August 2025 Fri
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature16 ° C
High temperature27.9 ° C
Average Temperature22.1 ° C
Humidity% 49
Wind22.7 km/h
Chance of rain0%
16 August 2025 Sat
Weather forecastSunny Sunny
Low temperature18.2 ° C
High temperature32.7 ° C
Average Temperature25.8 ° C
Humidity% 61
Wind30.6 km/h
Chance of rain0%
17 August 2025 Sun
Weather forecastHeavy rain Heavy rain
Low temperature18.1 ° C
High temperature31.9 ° C
Average Temperature24.5 ° C
Humidity% 65
Wind23.4 km/h
Chance of rain81%
18 August 2025 Mon
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature20.6 ° C
High temperature30.4 ° C
Average Temperature23.7 ° C
Humidity% 63
Wind17.3 km/h
Chance of rain82%
19 August 2025 Tue
Weather forecastSunny Sunny
Low temperature19.4 ° C
High temperature32.4 ° C
Average Temperature25.6 ° C
Humidity% 57
Wind19.4 km/h
Chance of rain0%
20 August 2025 Wed
Weather forecastSunny Sunny
Low temperature21.3 ° C
High temperature36.6 ° C
Average Temperature29 ° C
Humidity% 44
Wind32.8 km/h
Chance of rain0%
21 August 2025 Thu
Weather forecastSunny Sunny
Low temperature22.7 ° C
High temperature33.2 ° C
Average Temperature27.7 ° C
Humidity% 27
Wind22.7 km/h
Chance of rain0%
22 August 2025 Fri
Weather forecastSunny Sunny
Low temperature16.8 ° C
High temperature21.9 ° C
Average Temperature19.6 ° C
Humidity% 41
Wind36.4 km/h
Chance of rain0%
23 August 2025 Sat
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature12.6 ° C
High temperature16.5 ° C
Average Temperature14.6 ° C
Humidity% 64
Wind22.3 km/h
Chance of rain73%
24 August 2025 Sun
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature8.9 ° C
High temperature25.2 ° C
Average Temperature17 ° C
Humidity% 52
Wind22.3 km/h
Chance of rain83%
25 August 2025 Mon
Weather forecastSunny Sunny
Low temperature12.1 ° C
High temperature27.2 ° C
Average Temperature20.2 ° C
Humidity% 52
Wind23.8 km/h
Chance of rain0%
26 August 2025 Tue
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature17.1 ° C
High temperature32.6 ° C
Average Temperature24.1 ° C
Humidity% 48
Wind43.6 km/h
Chance of rain69%
27 August 2025 Wed
Weather forecastSunny Sunny
Low temperature14.5 ° C
High temperature26.2 ° C
Average Temperature21.7 ° C
Humidity% 55
Wind38.9 km/h
Chance of rain0%
Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
14 August 2025 Thu Sunny Sunny 19.6 ° C 29.8 ° C 24.6 ° C % 62 25.9 km/h 0%
15 August 2025 Fri Partly Cloudy  Partly Cloudy 16 ° C 27.9 ° C 22.1 ° C % 49 22.7 km/h 0%
16 August 2025 Sat Sunny Sunny 18.2 ° C 32.7 ° C 25.8 ° C % 61 30.6 km/h 0%
17 August 2025 Sun Heavy rain Heavy rain 18.1 ° C 31.9 ° C 24.5 ° C % 65 23.4 km/h 81%
18 August 2025 Mon Patchy rain nearby Patchy rain nearby 20.6 ° C 30.4 ° C 23.7 ° C % 63 17.3 km/h 82%
19 August 2025 Tue Sunny Sunny 19.4 ° C 32.4 ° C 25.6 ° C % 57 19.4 km/h 0%
20 August 2025 Wed Sunny Sunny 21.3 ° C 36.6 ° C 29 ° C % 44 32.8 km/h 0%
21 August 2025 Thu Sunny Sunny 22.7 ° C 33.2 ° C 27.7 ° C % 27 22.7 km/h 0%
22 August 2025 Fri Sunny Sunny 16.8 ° C 21.9 ° C 19.6 ° C % 41 36.4 km/h 0%
23 August 2025 Sat Patchy rain nearby Patchy rain nearby 12.6 ° C 16.5 ° C 14.6 ° C % 64 22.3 km/h 73%
24 August 2025 Sun Patchy rain nearby Patchy rain nearby 8.9 ° C 25.2 ° C 17 ° C % 52 22.3 km/h 83%
25 August 2025 Mon Sunny Sunny 12.1 ° C 27.2 ° C 20.2 ° C % 52 23.8 km/h 0%
26 August 2025 Tue Patchy rain nearby Patchy rain nearby 17.1 ° C 32.6 ° C 24.1 ° C % 48 43.6 km/h 69%
27 August 2025 Wed Sunny Sunny 14.5 ° C 26.2 ° C 21.7 ° C % 55 38.9 km/h 0%
Weather forecasts are usually fully updated every 3 hours.

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