Great Falls International Airport Weather Forecast 15 Days, Weather in GTF Today
Current weather conditions and 15 day weather forecast for Great Falls International 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 Great Falls International Airport
| 13 February 2026 Friday 2.4 ° C / 36.3°F  Clear |
Feels Like : -1.9 ° C / 28.5°F Humidity : % 59 Pressure : 1015 mb Wind Speed : 18 kmph / 11.2 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
15 day weather forecast for Great Falls International Airport, MT, USA
Weather Forecast for next 15 Days for Great Falls International 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 Great Falls International 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 February 2026 Friday | Sunny |
0.3 ° C (32.5°F) |
13.7 ° C (56.7°F) |
4.5 ° C (40.2°F) |
% 48 | 0% | 0.3 | Sunrise:07:34 AM Sunset: 05:46 PM |
Moonrise:05:51 AM Moonset: 01:29 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday |  Overcast |
-0.7 ° C (30.7°F) |
8.6 ° C (47.5°F) |
3.4 ° C (38°F) |
% 64 | 0% | 0.3 | Sunrise:07:32 AM Sunset: 05:48 PM |
Moonrise:06:29 AM Moonset: 02:37 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Overcast |
-1 ° C (30.2°F) |
11 ° C (51.8°F) |
4.3 ° C (39.7°F) |
% 69 | 0% | 0.3 | Sunrise:07:31 AM Sunset: 05:49 PM |
Moonrise:06:58 AM Moonset: 03:51 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Sunny |
2.5 ° C (36.4°F) |
9.1 ° C (48.3°F) |
5.3 ° C (41.5°F) |
% 57 | 0% | 0.3 | Sunrise:07:29 AM Sunset: 05:51 PM |
Moonrise:07:21 AM Moonset: 05:07 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday |  Patchy rain nearby |
-0.2 ° C (31.6°F) |
4.4 ° C (40°F) |
1.9 ° C (35.4°F) |
% 77 | 89% | 0 | Sunrise:07:27 AM Sunset: 05:52 PM |
Moonrise:07:41 AM Moonset: 06:22 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday |  Light snow |
-6.1 ° C (21°F) |
1.4 ° C (34.6°F) |
-2.2 ° C (28.1°F) |
% 74 | 65% | 1 | Sunrise:07:26 AM Sunset: 05:54 PM |
Moonrise:07:57 AM Moonset: 07:39 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday |  Light freezing rain |
-8.6 ° C (16.6°F) |
-4.2 ° C (24.4°F) |
-6.3 ° C (20.6°F) |
% 72 | 63% | 1 | Sunrise:07:24 AM Sunset: 05:55 PM |
Moonrise:08:13 AM Moonset: 08:55 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday |  Patchy moderate snow |
-9.7 ° C (14.5°F) |
-5.7 ° C (21.7°F) |
-7.8 ° C (18°F) |
% 76 | 83% | 1 | Sunrise:07:22 AM Sunset: 05:57 PM |
Moonrise:08:30 AM Moonset: 10:14 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Light snow |
-13.4 ° C (7.9°F) |
-9.5 ° C (14.8°F) |
-11.5 ° C (11.2°F) |
% 86 | 63% | 1 | Sunrise:07:20 AM Sunset: 05:58 PM |
Moonrise:08:48 AM Moonset: 11:35 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday |  Cloudy |
-11.6 ° C (11.2°F) |
-6.8 ° C (19.7°F) |
-9.9 ° C (14.2°F) |
% 88 | 0% | 1 | Sunrise:07:18 AM Sunset: 06:00 PM |
Moonrise:09:10 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday |  Mist |
-11.9 ° C (10.6°F) |
-1.5 ° C (29.3°F) |
-7.3 ° C (18.9°F) |
% 91 | 0% | 1 | Sunrise:07:17 AM Sunset: 06:01 PM |
Moonrise:09:39 AM Moonset: 12:58 AM Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday | Light snow |
-10.8 ° C (12.6°F) |
-5.7 ° C (21.8°F) |
-8 ° C (17.6°F) |
% 88 | 84% | 1 | Sunrise:07:15 AM Sunset: 06:03 PM |
Moonrise:10:17 AM Moonset: 02:20 AM Moon Phase ( First Quarter ) |
|
| 25 February 2026 Wednesday |  Partly Cloudy |
-11.6 ° C (11.1°F) |
3.3 ° C (38°F) |
-4 ° C (24.8°F) |
% 70 | 0% | 2 | Sunrise:07:13 AM Sunset: 06:04 PM |
Moonrise:11:10 AM Moonset: 03:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 February 2026 Thursday | Sunny |
-0.8 ° C (30.6°F) |
8 ° C (46.4°F) |
4.1 ° C (39.3°F) |
% 39 | 0% | 2 | Sunrise:07:11 AM Sunset: 06:06 PM |
Moonrise:12:16 PM Moonset: 04:39 AM Moon Phase ( Waxing Gibbous ) |
|
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