Saint Mary's Airport (KSM) 15 Day Weather Forecast, Saint Mary's United States
Current weather conditions and 15 day weather forecast for Saint Mary's Airport in Saint Mary's, 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 KSM
| 04 April 2026 Sat -5.6 ° C ( 21.9°F )  Moderate snow |
Feels Like : -10.4 ° C / 13.4°F Humidity : % 74 Pressure : 1018 mb Wind Speed : 11.2 kmph / 6.9 miles from NNW 
Visibility : 16 km Precipitation (rainfall) : 0.08 mm Cloud (%) : 25 |
15-day weather forecast for Saint Mary's Airport, Saint Mary's, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 April 2026 Fri |  Light snow |
-16.7 ° C | -5 ° C | -10.6 ° C | % 95 | 12.2 km/h | 87% |
| 04 April 2026 Sat |  Freezing fog |
-15.7 ° C | -5 ° C | -9.7 ° C | % 96 | 9.7 km/h | 86% |
| 05 April 2026 Sun | Freezing fog |
-15.5 ° C | -5.8 ° C | -11.3 ° C | % 93 | 8.6 km/h | 83% |
| 06 April 2026 Mon | Freezing fog |
-17 ° C | -3.9 ° C | -9.8 ° C | % 96 | 26.3 km/h | 69% |
| 07 April 2026 Tue |  Heavy snow |
-3.7 ° C | 0.1 ° C | -1.3 ° C | % 98 | 25.2 km/h | 70% |
| 08 April 2026 Wed | Moderate snow |
-5.1 ° C | 0.1 ° C | -1.3 ° C | % 97 | 21.2 km/h | 73% |
| 09 April 2026 Thu |  Patchy moderate snow |
-6.7 ° C | -0.1 ° C | -2.8 ° C | % 96 | 32.4 km/h | 81% |
| 10 April 2026 Fri | Moderate snow |
-1.1 ° C | 0.1 ° C | -0.4 ° C | % 98 | 29.2 km/h | 89% |
| 11 April 2026 Sat |  Blizzard |
-1.6 ° C | 0.2 ° C | -0.3 ° C | % 97 | 37.1 km/h | 84% |
| 12 April 2026 Sun | Moderate snow |
-6 ° C | -1.5 ° C | -3.1 ° C | % 92 | 21.2 km/h | 76% |
| 13 April 2026 Mon |  Blowing snow |
-12.4 ° C | -7.4 ° C | -9.7 ° C | % 90 | 28.1 km/h | 0% |
| 14 April 2026 Tue |  Partly Cloudy |
-11.3 ° C | -6.5 ° C | -9 ° C | % 90 | 33.8 km/h | 0% |
| 15 April 2026 Wed | Light snow |
-9.4 ° C | -1 ° C | -4 ° C | % 95 | 23.8 km/h | 81% |
| 16 April 2026 Thu |  Light freezing rain |
-2 ° C | 0 ° C | -0.9 ° C | % 96 | 26.3 km/h | 61% |
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