Current weather conditions and 15 day weather forecast for Keystone XL Whitewater Heliport, 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 19.4 ° C / 67°F ![]() Overcast |
Feels Like : 16.2 ° C / 61.2°F Humidity : % 48 Pressure : 1015 mb Wind Speed : 14.4 kmph / 8.9 miles from E ![]() 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 | Sunny |
9 ° C (48.2°F) |
21.8 ° C (71.2°F) |
15.1 ° C (59.2°F) |
% 58 | 6% | 4.7 | Sunrise:06:50 AM Sunset: 07:19 PM |
Moonrise:03:00 PM Moonset: 10:15 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Overcast |
14.7 ° C (58.5°F) |
24 ° C (75.2°F) |
18.8 ° C (65.9°F) |
% 64 | 12% | 4.4 | Sunrise:06:51 AM Sunset: 07:17 PM |
Moonrise:03:54 PM Moonset: 11:11 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Overcast |
13.9 ° C (57°F) |
16.3 ° C (61.3°F) |
14.5 ° C (58.1°F) |
% 85 | 82% | 3.3 | Sunrise:06:53 AM Sunset: 07:15 PM |
Moonrise:04:35 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Patchy rain nearby |
13.1 ° C (55.6°F) |
18 ° C (64.4°F) |
15.4 ° C (59.8°F) |
% 82 | 72% | 1.8 | Sunrise:06:54 AM Sunset: 07:13 PM |
Moonrise:05:06 PM Moonset: 12:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
11.4 ° C (52.6°F) |
22.9 ° C (73.1°F) |
16.7 ° C (62.1°F) |
% 69 | 9% | 6 | Sunrise:06:55 AM Sunset: 07:11 PM |
Moonrise:05:29 PM Moonset: 01:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Patchy rain nearby |
9.5 ° C (49.1°F) |
16.9 ° C (62.4°F) |
12 ° C (53.5°F) |
% 58 | 36% | 4 | Sunrise:06:57 AM Sunset: 07:09 PM |
Moonrise:05:48 PM Moonset: 02:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
9.1 ° C (48.4°F) |
18.3 ° C (64.9°F) |
13.4 ° C (56.1°F) |
% 39 | 9% | 4 | Sunrise:06:58 AM Sunset: 07:07 PM |
Moonrise:06:04 PM Moonset: 03:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
11 ° C (51.8°F) |
23.6 ° C (74.5°F) |
16.9 ° C (62.5°F) |
% 42 | 3% | 6 | Sunrise:07:00 AM Sunset: 07:04 PM |
Moonrise:06:17 PM Moonset: 04:52 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
14 ° C (57.1°F) |
28.4 ° C (83.1°F) |
20.5 ° C (68.9°F) |
% 39 | 2% | 7 | Sunrise:07:01 AM Sunset: 07:02 PM |
Moonrise:06:31 PM Moonset: 06:00 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
18.8 ° C (65.8°F) |
31.1 ° C (88°F) |
24 ° C (75.2°F) |
% 29 | 5% | 8 | Sunrise:07:03 AM Sunset: 07:00 PM |
Moonrise:06:44 PM Moonset: 07:09 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
11.3 ° C (52.3°F) |
21.1 ° C (70°F) |
18.2 ° C (64.7°F) |
% 40 | 4% | 6 | Sunrise:07:04 AM Sunset: 06:58 PM |
Moonrise:06:59 PM Moonset: 08:20 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
6.6 ° C (43.9°F) |
11.6 ° C (52.8°F) |
8.8 ° C (47.9°F) |
% 53 | 5% | 4 | Sunrise:07:05 AM Sunset: 06:56 PM |
Moonrise:07:18 PM Moonset: 09:34 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Sunny |
4.4 ° C (40°F) |
13.2 ° C (55.8°F) |
9.1 ° C (48.4°F) |
% 45 | 3% | 4 | Sunrise:07:07 AM Sunset: 06:54 PM |
Moonrise:07:41 PM Moonset: 10:50 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Overcast |
6.2 ° C (43.2°F) |
10 ° C (50°F) |
7.7 ° C (45.8°F) |
% 74 | 77% | 2 | Sunrise:07:08 AM Sunset: 06:52 PM |
Moonrise:08:12 PM Moonset: 12:08 PM Moon Phase ( Waning Gibbous ) |
|