St. Ignatius Weather Forecast 15 Days, Weather in St. Ignatius Today
Current weather conditions and 15 day weather forecast for St. Ignatius, Montana, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at St. Ignatius
| 22 December 2025 Monday -1.7 ° C / 28.9°F  Partly cloudy |
Feels Like : -2.7 ° C / 27.1°F Humidity : % 96 Pressure : 1007 mb Wind Speed : 3.6 kmph / 2.2 miles from SSW  Visibility : 13 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 75 |
15 day weather forecast for St. Ignatius, MT, USA
Weather Forecast for next 15 Days for St. Ignatius including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in St. Ignatius, Montana state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday |  Patchy rain nearby |
-2.1 ° C (28.3°F) |
5.5 ° C (41.9°F) |
2 ° C (35.7°F) |
% 85 | 76% | 0.2 | Sunrise:08:21 AM Sunset: 04:50 PM |
Moonrise:10:37 AM Moonset: 07:20 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Moderate or heavy snow showers |
-2.1 ° C (28.2°F) |
4.2 ° C (39.6°F) |
0.3 ° C (32.5°F) |
% 94 | 82% | 0.1 | Sunrise:08:22 AM Sunset: 04:50 PM |
Moonrise:11:02 AM Moonset: 08:32 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Overcast |
-3.5 ° C (25.7°F) |
6.2 ° C (43.2°F) |
-0.3 ° C (31.4°F) |
% 87 | 0% | 0.1 | Sunrise:08:22 AM Sunset: 04:51 PM |
Moonrise:11:22 AM Moonset: 09:46 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Moderate or heavy snow showers |
-1.5 ° C (29.3°F) |
5.7 ° C (42.2°F) |
0.9 ° C (33.5°F) |
% 87 | 81% | 0.1 | Sunrise:08:22 AM Sunset: 04:52 PM |
Moonrise:11:40 AM Moonset: 10:59 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Light snow showers |
-2.1 ° C (28.1°F) |
3 ° C (37.5°F) |
0.2 ° C (32.3°F) |
% 93 | 82% | 0 | Sunrise:08:23 AM Sunset: 04:52 PM |
Moonrise:11:56 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Sunny |
-4.3 ° C (24.2°F) |
3.3 ° C (38°F) |
-2 ° C (28.4°F) |
% 84 | 0% | 2 | Sunrise:08:23 AM Sunset: 04:53 PM |
Moonrise:12:11 PM Moonset: 12:13 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-5.9 ° C (21.3°F) |
2.7 ° C (36.9°F) |
-3.2 ° C (26.2°F) |
% 80 | 0% | 2 | Sunrise:08:23 AM Sunset: 04:54 PM |
Moonrise:12:29 PM Moonset: 01:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-6.1 ° C (21°F) |
3.2 ° C (37.7°F) |
-3.4 ° C (25.9°F) |
% 72 | 0% | 2 | Sunrise:08:23 AM Sunset: 04:55 PM |
Moonrise:12:50 PM Moonset: 02:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-6.3 ° C (20.6°F) |
2.6 ° C (36.7°F) |
-3.4 ° C (25.9°F) |
% 70 | 0% | 2 | Sunrise:08:23 AM Sunset: 04:56 PM |
Moonrise:01:18 PM Moonset: 04:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Light freezing rain |
-2.5 ° C (27.4°F) |
6.6 ° C (43.8°F) |
0.7 ° C (33.2°F) |
% 79 | 87% | 1 | Sunrise:08:23 AM Sunset: 04:56 PM |
Moonrise:01:55 PM Moonset: 05:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Moderate snow |
-3.1 ° C (26.5°F) |
3.4 ° C (38.2°F) |
0.9 ° C (33.6°F) |
% 86 | 85% | 1 | Sunrise:08:23 AM Sunset: 04:57 PM |
Moonrise:02:47 PM Moonset: 07:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
-5.9 ° C (21.3°F) |
1.2 ° C (34.1°F) |
-3.5 ° C (25.7°F) |
% 74 | 0% | 2 | Sunrise:08:23 AM Sunset: 04:58 PM |
Moonrise:03:55 PM Moonset: 08:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday |  Patchy light snow |
-3.6 ° C (25.5°F) |
3.1 ° C (37.6°F) |
0.2 ° C (32.4°F) |
% 85 | 82% | 1 | Sunrise:08:23 AM Sunset: 04:59 PM |
Moonrise:05:16 PM Moonset: 09:08 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Heavy snow |
-2 ° C (28.5°F) |
2.5 ° C (36.6°F) |
0.7 ° C (33.3°F) |
% 86 | 80% | 1 | Sunrise:08:23 AM Sunset: 05:01 PM |
Moonrise:06:41 PM Moonset: 09:47 AM Moon Phase ( Waning Gibbous ) |
|
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