Fortine Weather Forecast 15 Days, Weather in Fortine Today
Current weather conditions and 15 day weather forecast for Fortine, 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 Fortine
| 18 December 2025 Thursday 1.7 ° C / 35.1°F  Overcast |
Feels Like : 1.1 ° C / 33.9°F Humidity : % 54 Pressure : 1016 mb Wind Speed : 3.6 kmph / 2.2 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Fortine, MT, USA
Weather Forecast for next 15 Days for Fortine 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 Fortine, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday |  Moderate or heavy snow showers |
-2.3 ° C (27.9°F) |
0.1 ° C (32.2°F) |
-0.5 ° C (31°F) |
% 85 | 83% | 0.1 | Sunrise:08:27 AM Sunset: 04:44 PM |
Moonrise:07:47 AM Moonset: 03:12 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Moderate or heavy snow showers |
-3.9 ° C (25°F) |
1 ° C (33.8°F) |
-1 ° C (30.3°F) |
% 82 | 82% | 0.1 | Sunrise:08:28 AM Sunset: 04:45 PM |
Moonrise:08:47 AM Moonset: 03:59 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Moderate or heavy snow showers |
-11.3 ° C (11.6°F) |
-2.9 ° C (26.8°F) |
-5 ° C (23°F) |
% 88 | 70% | 0.1 | Sunrise:08:28 AM Sunset: 04:45 PM |
Moonrise:09:37 AM Moonset: 04:57 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Moderate snow |
-13 ° C (8.6°F) |
-2 ° C (28.5°F) |
-7.7 ° C (18.1°F) |
% 95 | 85% | 0.1 | Sunrise:08:29 AM Sunset: 04:45 PM |
Moonrise:10:16 AM Moonset: 06:04 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Moderate or heavy snow showers |
-8.5 ° C (16.8°F) |
0.4 ° C (32.7°F) |
-4.8 ° C (23.4°F) |
% 95 | 84% | 0 | Sunrise:08:29 AM Sunset: 04:46 PM |
Moonrise:10:46 AM Moonset: 07:17 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Moderate or heavy snow showers |
-8.1 ° C (17.4°F) |
-0 ° C (31.9°F) |
-5.1 ° C (22.9°F) |
% 93 | 84% | 1 | Sunrise:08:30 AM Sunset: 04:47 PM |
Moonrise:11:09 AM Moonset: 08:31 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Moderate snow |
-8.9 ° C (15.9°F) |
0.6 ° C (33.1°F) |
-4.6 ° C (23.8°F) |
% 96 | 86% | 1 | Sunrise:08:30 AM Sunset: 04:47 PM |
Moonrise:11:28 AM Moonset: 09:46 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Light snow |
-7.9 ° C (17.8°F) |
-1.5 ° C (29.3°F) |
-5.2 ° C (22.6°F) |
% 98 | 65% | 1 | Sunrise:08:31 AM Sunset: 04:48 PM |
Moonrise:11:44 AM Moonset: 11:00 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Light snow showers |
-9.8 ° C (14.4°F) |
-1 ° C (30.3°F) |
-6.5 ° C (20.4°F) |
% 97 | 82% | 1 | Sunrise:08:31 AM Sunset: 04:49 PM |
Moonrise:11:58 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Freezing fog |
-16 ° C (3.3°F) |
-2.7 ° C (27.2°F) |
-10.3 ° C (13.5°F) |
% 97 | 0% | 1 | Sunrise:08:31 AM Sunset: 04:49 PM |
Moonrise:12:13 PM Moonset: 12:16 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Light snow |
-9.7 ° C (14.5°F) |
-1.4 ° C (29.5°F) |
-6 ° C (21.2°F) |
% 97 | 89% | 1 | Sunrise:08:31 AM Sunset: 04:50 PM |
Moonrise:12:29 PM Moonset: 01:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Moderate or heavy snow showers |
-16.3 ° C (2.6°F) |
-1.4 ° C (29.4°F) |
-7 ° C (19.3°F) |
% 91 | 70% | 1 | Sunrise:08:31 AM Sunset: 04:51 PM |
Moonrise:12:49 PM Moonset: 02:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Mist |
-16.5 ° C (2.3°F) |
-4.5 ° C (23.9°F) |
-12 ° C (10.4°F) |
% 97 | 0% | 1 | Sunrise:08:32 AM Sunset: 04:52 PM |
Moonrise:01:15 PM Moonset: 04:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Moderate snow |
-15.6 ° C (3.9°F) |
-1.7 ° C (28.9°F) |
-9.2 ° C (15.4°F) |
% 97 | 82% | 1 | Sunrise:08:32 AM Sunset: 04:53 PM |
Moonrise:01:50 PM Moonset: 05:51 AM Moon Phase ( Waxing Gibbous ) |
|
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