Current weather conditions and 15 day weather forecast for Shelby, 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.
| 21 August 2026 Friday 30.3 ° C / 86.5°F ![]() Sunny |
Feels Like : 26.7 ° C / 80.1°F Humidity : % 16 Pressure : 1011 mb Wind Speed : 9.4 kmph / 5.8 miles from NNE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 August 2026 Thursday | Sunny |
13.1 ° C (55.6°F) |
30.3 ° C (86.5°F) |
22.1 ° C (71.8°F) |
% 38 | 1% | 6.7 | Sunrise:06:28 AM Sunset: 08:33 PM |
Moonrise:04:26 PM Moonset: 11:52 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
15.2 ° C (59.4°F) |
28.2 ° C (82.7°F) |
21.6 ° C (70.9°F) |
% 44 | 5% | 7.4 | Sunrise:06:29 AM Sunset: 08:31 PM |
Moonrise:05:26 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Overcast |
18.6 ° C (65.5°F) |
32.3 ° C (90.1°F) |
24.6 ° C (76.2°F) |
% 39 | 17% | 7.2 | Sunrise:06:31 AM Sunset: 08:29 PM |
Moonrise:06:14 PM Moonset: 12:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
20.8 ° C (69.4°F) |
31.2 ° C (88.1°F) |
25.3 ° C (77.5°F) |
% 29 | 4% | 6.7 | Sunrise:06:32 AM Sunset: 08:27 PM |
Moonrise:06:51 PM Moonset: 01:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
16.3 ° C (61.3°F) |
25.6 ° C (78.2°F) |
21.5 ° C (70.7°F) |
% 37 | 1% | 7 | Sunrise:06:33 AM Sunset: 08:25 PM |
Moonrise:07:19 PM Moonset: 02:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Sunny |
17 ° C (62.6°F) |
30 ° C (85.9°F) |
23.5 ° C (74.3°F) |
% 31 | 1% | 7 | Sunrise:06:35 AM Sunset: 08:23 PM |
Moonrise:07:41 PM Moonset: 03:55 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Overcast |
18.1 ° C (64.5°F) |
32.8 ° C (91°F) |
24.9 ° C (76.9°F) |
% 31 | 7% | 7 | Sunrise:06:36 AM Sunset: 08:21 PM |
Moonrise:07:58 PM Moonset: 05:04 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Sunny |
17.5 ° C (63.5°F) |
28.3 ° C (83°F) |
23 ° C (73.5°F) |
% 30 | 4% | 7 | Sunrise:06:37 AM Sunset: 08:19 PM |
Moonrise:08:13 PM Moonset: 06:13 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Sunny |
16.1 ° C (60.9°F) |
25.6 ° C (78°F) |
20.2 ° C (68.3°F) |
% 18 | 3% | 7 | Sunrise:06:39 AM Sunset: 08:17 PM |
Moonrise:08:27 PM Moonset: 07:21 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Sunny |
14.5 ° C (58.1°F) |
27.6 ° C (81.8°F) |
21 ° C (69.7°F) |
% 22 | 1% | 7 | Sunrise:06:40 AM Sunset: 08:15 PM |
Moonrise:08:40 PM Moonset: 08:29 AM Moon Phase ( Waning Gibbous ) |
|
| 30 August 2026 Sunday | Overcast |
11.5 ° C (52.7°F) |
21.4 ° C (70.5°F) |
17.3 ° C (63.1°F) |
% 42 | 17% | 5 | Sunrise:06:42 AM Sunset: 08:13 PM |
Moonrise:08:54 PM Moonset: 09:38 AM Moon Phase ( Waning Gibbous ) |
|
| 31 August 2026 Monday | Sunny |
13.2 ° C (55.7°F) |
18.9 ° C (66.1°F) |
15.8 ° C (60.5°F) |
% 59 | 40% | 5 | Sunrise:06:43 AM Sunset: 08:11 PM |
Moonrise:09:10 PM Moonset: 10:49 AM Moon Phase ( Waning Gibbous ) |
|
| 01 September 2026 Tuesday | Overcast |
11.4 ° C (52.5°F) |
22.4 ° C (72.4°F) |
15.9 ° C (60.5°F) |
% 58 | 8% | 6 | Sunrise:06:44 AM Sunset: 08:09 PM |
Moonrise:09:29 PM Moonset: 12:02 PM Moon Phase ( Waning Gibbous ) |
|
| 02 September 2026 Wednesday | Overcast |
11.9 ° C (53.3°F) |
27.9 ° C (82.2°F) |
18.8 ° C (65.8°F) |
% 50 | 7% | 7 | Sunrise:06:46 AM Sunset: 08:07 PM |
Moonrise:09:54 PM Moonset: 01:18 PM Moon Phase ( Last Quarter ) |
|