Current weather conditions and 15 day weather forecast for Fort Shaw, 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.
| 18 September 2026 Friday 21.8 ° C / 71.2°F ![]() Sunny |
Feels Like : 18.5 ° C / 65.3°F Humidity : % 37 Pressure : 1012 mb Wind Speed : 12.6 kmph / 7.8 miles from NE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 2 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Sunny |
8.7 ° C (47.7°F) |
22.7 ° C (72.9°F) |
15.1 ° C (59.1°F) |
% 56 | 17% | 4.9 | Sunrise:07:07 AM Sunset: 07:36 PM |
Moonrise:03:10 PM Moonset: 10:41 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Overcast |
12.5 ° C (54.5°F) |
23.1 ° C (73.5°F) |
17.4 ° C (63.3°F) |
% 59 | 7% | 4.5 | Sunrise:07:08 AM Sunset: 07:33 PM |
Moonrise:04:03 PM Moonset: 11:36 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Patchy rain nearby |
13.5 ° C (56.3°F) |
22.1 ° C (71.7°F) |
17 ° C (62.6°F) |
% 61 | 23% | 4.7 | Sunrise:07:10 AM Sunset: 07:31 PM |
Moonrise:04:45 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Sunny |
10.8 ° C (51.4°F) |
25.1 ° C (77.1°F) |
17.2 ° C (62.9°F) |
% 53 | 4% | 4.9 | Sunrise:07:11 AM Sunset: 07:29 PM |
Moonrise:05:17 PM Moonset: 12:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
11.6 ° C (52.9°F) |
26.6 ° C (79.8°F) |
18.1 ° C (64.7°F) |
% 39 | 2% | 7 | Sunrise:07:12 AM Sunset: 07:27 PM |
Moonrise:05:42 PM Moonset: 01:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
6.1 ° C (43°F) |
16.1 ° C (60.9°F) |
11.8 ° C (53.3°F) |
% 43 | 3% | 5 | Sunrise:07:14 AM Sunset: 07:25 PM |
Moonrise:06:02 PM Moonset: 02:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
7.3 ° C (45.1°F) |
23 ° C (73.3°F) |
14.6 ° C (58.3°F) |
% 36 | 3% | 6 | Sunrise:07:15 AM Sunset: 07:23 PM |
Moonrise:06:18 PM Moonset: 04:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
10.9 ° C (51.6°F) |
26.3 ° C (79.4°F) |
18 ° C (64.4°F) |
% 40 | 2% | 7 | Sunrise:07:16 AM Sunset: 07:21 PM |
Moonrise:06:33 PM Moonset: 05:11 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
13.6 ° C (56.4°F) |
30.7 ° C (87.2°F) |
21.3 ° C (70.4°F) |
% 31 | 3% | 8 | Sunrise:07:18 AM Sunset: 07:19 PM |
Moonrise:06:48 PM Moonset: 06:18 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Partly Cloudy |
16.2 ° C (61.1°F) |
30 ° C (86°F) |
21.3 ° C (70.3°F) |
% 33 | 36% | 7 | Sunrise:07:19 AM Sunset: 07:17 PM |
Moonrise:07:02 PM Moonset: 07:26 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
9.7 ° C (49.5°F) |
20.4 ° C (68.8°F) |
16.2 ° C (61.1°F) |
% 37 | 3% | 6 | Sunrise:07:20 AM Sunset: 07:15 PM |
Moonrise:07:19 PM Moonset: 08:36 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Cloudy |
3.8 ° C (38.8°F) |
9.2 ° C (48.5°F) |
6.8 ° C (44.3°F) |
% 59 | 36% | 3 | Sunrise:07:22 AM Sunset: 07:13 PM |
Moonrise:07:38 PM Moonset: 09:48 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
2.8 ° C (37.1°F) |
11.8 ° C (53.3°F) |
6.7 ° C (44.1°F) |
% 61 | 14% | 4 | Sunrise:07:23 AM Sunset: 07:11 PM |
Moonrise:08:03 PM Moonset: 11:03 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Overcast |
4 ° C (39.1°F) |
15.7 ° C (60.2°F) |
9.1 ° C (48.4°F) |
% 61 | 8% | 5 | Sunrise:07:25 AM Sunset: 07:09 PM |
Moonrise:08:35 PM Moonset: 12:19 PM Moon Phase ( Waning Gibbous ) |
|