St. Regis Weather Forecast 15 Days, Weather in St. Regis Today
Current weather conditions and 15 day weather forecast for St. Regis, 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. Regis
| 21 March 2026 Saturday 9.8 ° C / 49.6°F  Patchy rain nearby |
Feels Like : 9.6 ° C / 49.4°F Humidity : % 75 Pressure : 1013 mb Wind Speed : 7.9 kmph / 4.9 miles from WSW  Visibility : 9 km Precipitation (rainfall) : 0.07 mm Cloud (%) : 74 |
15 day weather forecast for St. Regis, MT, USA
Weather Forecast for next 15 Days for St. Regis 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. Regis, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 21 March 2026 Saturday |  Moderate rain |
0.2 ° C (32.4°F) |
11.1 ° C (52°F) |
8 ° C (46.3°F) |
% 71 | 83% | 1 | Sunrise:07:41 AM Sunset: 07:55 PM |
Moonrise:08:30 AM Moonset: 11:57 PM Moon Phase ( Waxing Crescent ) |
|
| 22 March 2026 Sunday |  Partly Cloudy |
-3.9 ° C (25°F) |
8.2 ° C (46.8°F) |
1.5 ° C (34.7°F) |
% 63 | 0% | 1 | Sunrise:07:39 AM Sunset: 07:56 PM |
Moonrise:08:57 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 March 2026 Monday | Partly Cloudy |
-2.8 ° C (27°F) |
10.5 ° C (50.9°F) |
3.6 ° C (38.4°F) |
% 55 | 0% | 1 | Sunrise:07:37 AM Sunset: 07:58 PM |
Moonrise:09:34 AM Moonset: 01:22 AM Moon Phase ( Waxing Crescent ) |
|
| 24 March 2026 Tuesday | Moderate rain |
-1.7 ° C (28.9°F) |
8.7 ° C (47.6°F) |
3.6 ° C (38.5°F) |
% 81 | 82% | 0.5 | Sunrise:07:35 AM Sunset: 07:59 PM |
Moonrise:10:22 AM Moonset: 02:41 AM Moon Phase ( Waxing Crescent ) |
|
| 25 March 2026 Wednesday | Moderate rain |
-3.5 ° C (25.6°F) |
2.9 ° C (37.3°F) |
3.1 ° C (37.6°F) |
% 85 | 64% | 0 | Sunrise:07:33 AM Sunset: 08:00 PM |
Moonrise:11:26 AM Moonset: 03:49 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday | Partly Cloudy |
-6.5 ° C (20.3°F) |
6.5 ° C (43.7°F) |
-1.1 ° C (30.1°F) |
% 65 | 0% | 2 | Sunrise:07:31 AM Sunset: 08:02 PM |
Moonrise:12:40 PM Moonset: 04:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Sunny |
-6.6 ° C (20.1°F) |
11.6 ° C (53°F) |
1.6 ° C (34.8°F) |
% 61 | 0% | 2 | Sunrise:07:29 AM Sunset: 08:03 PM |
Moonrise:02:00 PM Moonset: 05:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Patchy rain nearby |
-7.1 ° C (19.2°F) |
4.1 ° C (39.4°F) |
-0.3 ° C (31.4°F) |
% 71 | 87% | 1 | Sunrise:07:27 AM Sunset: 08:05 PM |
Moonrise:03:20 PM Moonset: 05:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Patchy light snow |
-8.3 ° C (17.1°F) |
3.8 ° C (38.8°F) |
-2.1 ° C (28.2°F) |
% 64 | 82% | 1 | Sunrise:07:25 AM Sunset: 08:06 PM |
Moonrise:04:36 PM Moonset: 06:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Partly Cloudy |
-8.7 ° C (16.4°F) |
4.5 ° C (40.1°F) |
-2.3 ° C (27.8°F) |
% 61 | 0% | 2 | Sunrise:07:23 AM Sunset: 08:07 PM |
Moonrise:05:51 PM Moonset: 06:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Patchy rain nearby |
-7.3 ° C (18.9°F) |
9.6 ° C (49.3°F) |
0.9 ° C (33.6°F) |
% 64 | 80% | 1 | Sunrise:07:21 AM Sunset: 08:09 PM |
Moonrise:07:03 PM Moonset: 06:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday |  Light rain shower |
-5.5 ° C (22.1°F) |
7.1 ° C (44.7°F) |
0.5 ° C (33°F) |
% 90 | 88% | 1 | Sunrise:07:19 AM Sunset: 08:10 PM |
Moonrise:08:13 PM Moonset: 06:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Patchy rain nearby |
-5 ° C (22.9°F) |
5.8 ° C (42.5°F) |
1.6 ° C (34.9°F) |
% 83 | 84% | 1 | Sunrise:07:17 AM Sunset: 08:12 PM |
Moonrise:09:24 PM Moonset: 07:13 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
-7.7 ° C (18.2°F) |
10.6 ° C (51°F) |
0.6 ° C (33.1°F) |
% 72 | 0% | 1 | Sunrise:07:15 AM Sunset: 08:13 PM |
Moonrise:10:34 PM Moonset: 07:30 AM Moon Phase ( Waning Gibbous ) |
|
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