Current weather conditions and 15 day weather forecast for Ismay, 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.
| 11 May 2026 Monday 15.3 ° C / 59.5°F ![]() Clear |
Feels Like : 15.3 ° C / 59.5°F Humidity : % 55 Pressure : 1015 mb Wind Speed : 28.8 kmph / 17.9 miles from SSE ![]() Visibility : 16 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 May 2026 Monday | Sunny |
11.7 ° C (53.1°F) |
26.5 ° C (79.8°F) |
18.7 ° C (65.7°F) |
% 37 | 0% | 7.1 | Sunrise:05:31 AM Sunset: 08:21 PM |
Moonrise:02:58 AM Moonset: 02:18 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Sunny |
9.7 ° C (49.4°F) |
21.7 ° C (71°F) |
15.7 ° C (60.2°F) |
% 40 | 0% | 7 | Sunrise:05:29 AM Sunset: 08:23 PM |
Moonrise:03:15 AM Moonset: 03:33 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
11 ° C (51.8°F) |
29.3 ° C (84.8°F) |
20.2 ° C (68.4°F) |
% 29 | 0% | 7.6 | Sunrise:05:28 AM Sunset: 08:24 PM |
Moonrise:03:33 AM Moonset: 04:50 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
16.6 ° C (61.9°F) |
31.2 ° C (88.1°F) |
23.8 ° C (74.8°F) |
% 37 | 63% | 7.2 | Sunrise:05:27 AM Sunset: 08:25 PM |
Moonrise:03:52 AM Moonset: 06:12 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
14.3 ° C (57.8°F) |
27.9 ° C (82.1°F) |
19.9 ° C (67.8°F) |
% 55 | 0% | 0 | Sunrise:05:26 AM Sunset: 08:26 PM |
Moonrise:04:15 AM Moonset: 07:38 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
14.6 ° C (58.2°F) |
25.2 ° C (77.4°F) |
19.6 ° C (67.3°F) |
% 48 | 81% | 4 | Sunrise:05:24 AM Sunset: 08:28 PM |
Moonrise:04:45 AM Moonset: 09:06 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Partly Cloudy |
12.5 ° C (54.5°F) |
18.3 ° C (65°F) |
15.1 ° C (59.3°F) |
% 34 | 0% | 5 | Sunrise:05:23 AM Sunset: 08:29 PM |
Moonrise:05:26 AM Moonset: 10:27 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
6.7 ° C (44.1°F) |
24.5 ° C (76.1°F) |
15 ° C (59.1°F) |
% 43 | 0% | 5 | Sunrise:05:22 AM Sunset: 08:30 PM |
Moonrise:06:21 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
13.3 ° C (55.9°F) |
25.4 ° C (77.6°F) |
19.6 ° C (67.3°F) |
% 31 | 0% | 5 | Sunrise:05:21 AM Sunset: 08:31 PM |
Moonrise:07:31 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
15.5 ° C (59.9°F) |
31.7 ° C (89.1°F) |
22.3 ° C (72.2°F) |
% 29 | 0% | 6 | Sunrise:05:20 AM Sunset: 08:32 PM |
Moonrise:08:51 AM Moonset: 12:28 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
16.7 ° C (62.1°F) |
24.3 ° C (75.7°F) |
20.4 ° C (68.7°F) |
% 32 | 0% | 6 | Sunrise:05:19 AM Sunset: 08:33 PM |
Moonrise:10:13 AM Moonset: 01:06 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
13 ° C (55.3°F) |
32 ° C (89.6°F) |
22.2 ° C (71.9°F) |
% 35 | 0% | 6 | Sunrise:05:18 AM Sunset: 08:34 PM |
Moonrise:11:34 AM Moonset: 01:34 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
13.7 ° C (56.6°F) |
29.4 ° C (84.9°F) |
22.1 ° C (71.7°F) |
% 52 | 0% | 5 | Sunrise:05:17 AM Sunset: 08:36 PM |
Moonrise:12:49 PM Moonset: 01:56 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
8.8 ° C (47.8°F) |
13.9 ° C (57°F) |
11.6 ° C (52.9°F) |
% 58 | 79% | 3 | Sunrise:05:16 AM Sunset: 08:37 PM |
Moonrise:02:01 PM Moonset: 02:13 AM Moon Phase ( Waxing Gibbous ) |
|