Current weather conditions and 15 day weather forecast for Briar Creek 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.
| 18 September 2026 Friday 21.1 ° C / 70°F ![]() Overcast |
Feels Like : 17.8 ° C / 64°F Humidity : % 37 Pressure : 1012 mb Wind Speed : 12.6 kmph / 7.8 miles from SSE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Overcast |
7.7 ° C (45.8°F) |
25.2 ° C (77.4°F) |
15.5 ° C (60°F) |
% 48 | 11% | 4.5 | Sunrise:07:05 AM Sunset: 07:32 PM |
Moonrise:02:56 PM Moonset: 10:49 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Light rain shower |
11.6 ° C (52.8°F) |
24.6 ° C (76.2°F) |
15.5 ° C (59.9°F) |
% 66 | 72% | 4.3 | Sunrise:07:06 AM Sunset: 07:30 PM |
Moonrise:03:50 PM Moonset: 11:44 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Light rain shower |
8.6 ° C (47.4°F) |
13 ° C (55.5°F) |
10.6 ° C (51.2°F) |
% 86 | 86% | 1.4 | Sunrise:07:08 AM Sunset: 07:28 PM |
Moonrise:04:33 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Sunny |
8.3 ° C (46.9°F) |
20.4 ° C (68.7°F) |
13 ° C (55.3°F) |
% 65 | 60% | 5.8 | Sunrise:07:09 AM Sunset: 07:26 PM |
Moonrise:05:06 PM Moonset: 12:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
9.2 ° C (48.6°F) |
22.2 ° C (71.9°F) |
15.3 ° C (59.6°F) |
% 38 | 4% | 5 | Sunrise:07:10 AM Sunset: 07:24 PM |
Moonrise:05:33 PM Moonset: 01:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Sunny |
6.2 ° C (43.2°F) |
12.6 ° C (54.7°F) |
9.5 ° C (49.1°F) |
% 42 | 17% | 4 | Sunrise:07:11 AM Sunset: 07:23 PM |
Moonrise:05:54 PM Moonset: 02:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
4.8 ° C (40.6°F) |
19.7 ° C (67.4°F) |
11.8 ° C (53.2°F) |
% 31 | 4% | 5 | Sunrise:07:13 AM Sunset: 07:21 PM |
Moonrise:06:13 PM Moonset: 04:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
9.4 ° C (48.9°F) |
23.7 ° C (74.7°F) |
15.9 ° C (60.6°F) |
% 37 | 2% | 6 | Sunrise:07:14 AM Sunset: 07:19 PM |
Moonrise:06:29 PM Moonset: 05:11 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
12.6 ° C (54.6°F) |
27.6 ° C (81.7°F) |
19 ° C (66.2°F) |
% 28 | 4% | 7 | Sunrise:07:15 AM Sunset: 07:17 PM |
Moonrise:06:45 PM Moonset: 06:16 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Sunny |
12.3 ° C (54.1°F) |
27.3 ° C (81.1°F) |
19.1 ° C (66.4°F) |
% 41 | 57% | 7 | Sunrise:07:16 AM Sunset: 07:15 PM |
Moonrise:07:02 PM Moonset: 07:22 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Light rain shower |
9.6 ° C (49.3°F) |
19.1 ° C (66.4°F) |
13.6 ° C (56.4°F) |
% 62 | 68% | 5 | Sunrise:07:18 AM Sunset: 07:13 PM |
Moonrise:07:20 PM Moonset: 08:30 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
4.2 ° C (39.6°F) |
11.1 ° C (52°F) |
7.6 ° C (45.8°F) |
% 71 | 48% | 3 | Sunrise:07:19 AM Sunset: 07:11 PM |
Moonrise:07:41 PM Moonset: 09:41 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Patchy rain nearby |
3.4 ° C (38.2°F) |
6.3 ° C (43.4°F) |
4.5 ° C (40.1°F) |
% 85 | 33% | 3 | Sunrise:07:20 AM Sunset: 07:09 PM |
Moonrise:08:07 PM Moonset: 10:54 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
3.5 ° C (38.2°F) |
14.2 ° C (57.5°F) |
8.3 ° C (46.9°F) |
% 72 | 36% | 4 | Sunrise:07:21 AM Sunset: 07:07 PM |
Moonrise:08:42 PM Moonset: 12:08 PM Moon Phase ( Waning Gibbous ) |
|