Halfmoon Flats Airport Weather Forecast 15 Days, Weather in Today
Current weather conditions and 15 day weather forecast for Halfmoon Flats Airport, 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 Halfmoon Flats Airport
| 15 December 2025 Monday 2.3 ° C / 36.1°F  Partly cloudy |
Feels Like : 1.7 ° C / 35.1°F Humidity : % 93 Pressure : 1017 mb Wind Speed : 3.6 kmph / 2.2 miles from S  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Halfmoon Flats Airport, MT, USA
Weather Forecast for next 15 Days for Halfmoon Flats Airport 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 Halfmoon Flats Airport, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 December 2025 Monday |  Moderate rain |
3.1 ° C (37.6°F) |
10.1 ° C (50.2°F) |
5.3 ° C (41.6°F) |
% 74 | 85% | 0 | Sunrise:08:21 AM Sunset: 04:41 PM |
Moonrise:04:17 AM Moonset: 01:48 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Overcast |
0.8 ° C (33.4°F) |
3.3 ° C (37.9°F) |
2.5 ° C (36.6°F) |
% 95 | 0% | 0.1 | Sunrise:08:22 AM Sunset: 04:42 PM |
Moonrise:05:27 AM Moonset: 02:08 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Moderate or heavy sleet |
-5.1 ° C (22.9°F) |
3.4 ° C (38.1°F) |
0.6 ° C (33.1°F) |
% 86 | 89% | 0.1 | Sunrise:08:23 AM Sunset: 04:42 PM |
Moonrise:06:36 AM Moonset: 02:35 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy moderate snow |
-7.4 ° C (18.8°F) |
0.9 ° C (33.5°F) |
-2.3 ° C (27.9°F) |
% 92 | 65% | 0.1 | Sunrise:08:23 AM Sunset: 04:42 PM |
Moonrise:07:42 AM Moonset: 03:11 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Light snow showers |
-10.4 ° C (13.2°F) |
1.2 ° C (34.2°F) |
-0.7 ° C (30.8°F) |
% 86 | 77% | 0 | Sunrise:08:24 AM Sunset: 04:43 PM |
Moonrise:08:42 AM Moonset: 03:57 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Light freezing rain |
-9.2 ° C (15.4°F) |
-1.2 ° C (29.8°F) |
-5.5 ° C (22.1°F) |
% 89 | 85% | 1 | Sunrise:08:25 AM Sunset: 04:43 PM |
Moonrise:09:33 AM Moonset: 04:55 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Heavy snow |
-8.6 ° C (16.5°F) |
-2.6 ° C (27.3°F) |
-4.4 ° C (24.1°F) |
% 94 | 79% | 1 | Sunrise:08:25 AM Sunset: 04:44 PM |
Moonrise:10:12 AM Moonset: 06:02 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Moderate or heavy snow showers |
-2.7 ° C (27.1°F) |
2.4 ° C (36.3°F) |
0.4 ° C (32.7°F) |
% 91 | 83% | 1 | Sunrise:08:26 AM Sunset: 04:44 PM |
Moonrise:10:42 AM Moonset: 07:15 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy moderate snow |
-14.9 ° C (5.2°F) |
-1.1 ° C (30.1°F) |
-6.3 ° C (20.7°F) |
% 89 | 63% | 1 | Sunrise:08:26 AM Sunset: 04:45 PM |
Moonrise:11:06 AM Moonset: 08:28 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Moderate snow |
-15.4 ° C (4.2°F) |
-2.8 ° C (27°F) |
-9.1 ° C (15.7°F) |
% 94 | 69% | 1 | Sunrise:08:26 AM Sunset: 04:45 PM |
Moonrise:11:25 AM Moonset: 09:43 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Heavy snow |
-10.1 ° C (13.8°F) |
1.3 ° C (34.3°F) |
-2.9 ° C (26.8°F) |
% 98 | 78% | 1 | Sunrise:08:27 AM Sunset: 04:46 PM |
Moonrise:11:41 AM Moonset: 10:57 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Light snow |
-13.2 ° C (8.2°F) |
-1.1 ° C (30.1°F) |
-6.9 ° C (19.6°F) |
% 97 | 89% | 1 | Sunrise:08:27 AM Sunset: 04:47 PM |
Moonrise:11:55 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Moderate snow |
-3.2 ° C (26.3°F) |
0.3 ° C (32.5°F) |
-1.4 ° C (29.4°F) |
% 98 | 72% | 1 | Sunrise:08:27 AM Sunset: 04:48 PM |
Moonrise:12:10 PM Moonset: 12:12 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Light snow |
-7.8 ° C (17.9°F) |
1.2 ° C (34.2°F) |
-1.6 ° C (29°F) |
% 94 | 86% | 1 | Sunrise:08:27 AM Sunset: 04:48 PM |
Moonrise:12:27 PM Moonset: 01:31 AM Moon Phase ( Waxing Gibbous ) |
|
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