Current weather conditions and 15 day weather forecast for Mountain Airport, Illinois, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 09 August 2026 Sunday 23.1 ° C / 73.6°F ![]() Clear |
Feels Like : 25.7 ° C / 78.3°F Humidity : % 89 Pressure : 1016 mb Wind Speed : 8.6 kmph / 5.4 miles from SSE ![]() 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 August 2026 Sunday | Sunny |
21.8 ° C (71.2°F) |
37 ° C (98.7°F) |
29.2 ° C (84.5°F) |
% 63 | 4% | 7.9 | Sunrise:06:09 AM Sunset: 08:07 PM |
Moonrise:01:44 AM Moonset: 05:53 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
23.9 ° C (74.9°F) |
38.1 ° C (100.6°F) |
30.8 ° C (87.4°F) |
% 51 | 3% | 7.8 | Sunrise:06:10 AM Sunset: 08:06 PM |
Moonrise:02:54 AM Moonset: 06:46 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
25.7 ° C (78.3°F) |
39.4 ° C (103°F) |
31.4 ° C (88.5°F) |
% 49 | 17% | 6.4 | Sunrise:06:11 AM Sunset: 08:05 PM |
Moonrise:04:13 AM Moonset: 07:29 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
21.6 ° C (70.9°F) |
29.9 ° C (85.9°F) |
25.9 ° C (78.6°F) |
% 74 | 60% | 7.3 | Sunrise:06:12 AM Sunset: 08:03 PM |
Moonrise:05:35 AM Moonset: 08:04 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Light drizzle |
18.8 ° C (65.8°F) |
27 ° C (80.6°F) |
22.1 ° C (71.8°F) |
% 90 | 89% | 7 | Sunrise:06:13 AM Sunset: 08:02 PM |
Moonrise:06:56 AM Moonset: 08:33 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Light drizzle |
18.5 ° C (65.3°F) |
23.5 ° C (74.4°F) |
20.7 ° C (69.3°F) |
% 93 | 88% | 5 | Sunrise:06:14 AM Sunset: 08:01 PM |
Moonrise:08:13 AM Moonset: 08:59 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Light rain shower |
18.9 ° C (66°F) |
23.1 ° C (73.5°F) |
20.6 ° C (69.2°F) |
% 90 | 88% | 5 | Sunrise:06:15 AM Sunset: 07:59 PM |
Moonrise:09:28 AM Moonset: 09:24 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Patchy rain nearby |
18.1 ° C (64.6°F) |
24.7 ° C (76.5°F) |
20.9 ° C (69.6°F) |
% 90 | 77% | 5 | Sunrise:06:16 AM Sunset: 07:58 PM |
Moonrise:10:41 AM Moonset: 09:50 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Patchy rain nearby |
19.1 ° C (66.5°F) |
27.3 ° C (81.1°F) |
22.7 ° C (72.9°F) |
% 86 | 78% | 7 | Sunrise:06:17 AM Sunset: 07:57 PM |
Moonrise:11:52 AM Moonset: 10:18 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Partly Cloudy |
19.2 ° C (66.5°F) |
28.9 ° C (84.1°F) |
23.9 ° C (75°F) |
% 84 | 15% | 7 | Sunrise:06:17 AM Sunset: 07:55 PM |
Moonrise:01:03 PM Moonset: 10:49 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
17.4 ° C (63.3°F) |
27.6 ° C (81.7°F) |
22.8 ° C (73.1°F) |
% 83 | 13% | 7 | Sunrise:06:18 AM Sunset: 07:54 PM |
Moonrise:02:11 PM Moonset: 11:25 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
13.5 ° C (56.3°F) |
24.3 ° C (75.7°F) |
18.1 ° C (64.6°F) |
% 72 | 7% | 6 | Sunrise:06:19 AM Sunset: 07:52 PM |
Moonrise:03:15 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Partly Cloudy |
11.3 ° C (52.4°F) |
23 ° C (73.4°F) |
16.8 ° C (62.2°F) |
% 73 | 17% | 6 | Sunrise:06:20 AM Sunset: 07:51 PM |
Moonrise:04:13 PM Moonset: 12:08 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
16.4 ° C (61.5°F) |
28.5 ° C (83.3°F) |
21.7 ° C (71°F) |
% 82 | 68% | 7 | Sunrise:06:21 AM Sunset: 07:50 PM |
Moonrise:05:03 PM Moonset: 12:59 AM Moon Phase ( Waxing Gibbous ) |
|