Current Conditions
Mount Prospect, Illinois
Feels like89°F32°C
Wind
SW 7 mph12 km/h
Humidity
75%
Cloud Cover
11%
As of Wednesday, September 2, 2026 at 10:21 PM CDT
Today's Outlook
Night
Partly cloudy, with a low around 78°F26°C. Breezy from the S at 7 mph11 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Drizzle | High 88°F31°CFeels 95°F35°C | Low 77°F25°C | Precip 0.03 in0.7 mm26% | Cloud 41% | Wind SSW 6 mph10 km/h | Thursday: Mostly cloudy and hot, with a high of 88°F31°C and morning low of 77°F25°C — feels like 95°F35°C. Light wind from the SW around 6 mph9 km/h. 26% chance of drizzle around midday. Heat risk in the afternoon. Thursday Night: Partly cloudy, with a low around 78°F26°C. Breezy from the S at 7 mph11 km/h. | |
| Showers | High 89°F31°CFeels 96°F36°C | Low 75°F24°C | Precip 0.07 in1.7 mm22% | Cloud 55% | Wind ESE 7 mph10 km/h | Friday: Mostly cloudy and hot, with a high of 89°F31°C and morning low of 75°F24°C — feels like 97°F36°C. Breezy from the SE at 7 mph11 km/h. 16% chance of drizzle in the morning. Heat risk in the afternoon. Friday Night: Partly cloudy, with a low around 76°F25°C. Breezy from the E at 6 to 7 mph10 to 12 km/h. 22% chance of showers throughout the night. | |
| Showers | High 82°F28°CFeels 87°F30°C | Low 74°F23°C | Precip 0.13 in3.3 mm24% | Cloud 52% | Wind NE 7 mph11 km/h | Saturday: Mostly cloudy and warm, with a high of 82°F28°C and morning low of 75°F24°C. Breezy from the NE at 7 to 9 mph12 to 15 km/h. 24% chance of drizzle throughout the day. Heavy, humid air. Saturday Night: Partly cloudy, with a low around 74°F23°C. Breezy from the NE at 7 to 8 mph11 to 13 km/h. 24% chance of showers throughout the night. | |
| Partly Cloudy | High 79°F26°C | Low 71°F21°C | Precip 0.02 in0.5 mm5% | Cloud 60% | Wind E 7 mph11 km/h | Sunday: Mostly cloudy and warm, with a high of 79°F26°C and morning low of 71°F21°C. Breezy from the ESE at 7 to 8 mph11 to 13 km/h. Humid. Sunday Night: Mostly cloudy, with a low around 72°F22°C. Breezy from the E at 7 mph11 km/h. | |
| Partly Cloudy | High 80°F27°C | Low 69°F20°C | Precip 0.02 in0.6 mm5% | Cloud 60% | Wind SE 7 mph11 km/h | Monday: Mostly cloudy and warm, with a high of 80°F27°C and morning low of 69°F20°C. Breezy from the SE at 7 to 8 mph11 to 12 km/h. Monday Night: Mostly cloudy, with a low around 70°F21°C. Breezy from the ESE at 7 mph11 km/h. | |
| Partly Cloudy | High 87°F30°C | Low 69°F20°C | Precip 0.02 in0.6 mm7% | Cloud 58% | Wind S 9 mph15 km/h | Tuesday: Mostly cloudy and hot, with a high of 87°F30°C and morning low of 69°F20°C. Breezy from the S at 9 to 10 mph15 to 17 km/h. Humid. Tuesday Night: Mostly cloudy, with a low around 70°F21°C. Breezy from the SSE at 9 to 11 mph15 to 17 km/h. | |
| Hot | High 90°F32°CFeels 95°F35°C | Low 75°F24°C | Precip 0.04 in1.1 mm9% | Cloud 44% | Wind SW 10 mph16 km/h | Wednesday: Partly cloudy and hot, with a high of 90°F32°C and morning low of 75°F24°C — feels like 95°F35°C. Breezy from the SW at 10 to 11 mph16 to 17 km/h. Heat risk in the afternoon. Wednesday Night: Partly cloudy, with a low around 76°F25°C. Breezy from the SSW at 10 to 11 mph16 to 18 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| ThursdaySep 3 | 88°F31°C Feels 95°F35°C | 77°F25°C | 0.03 in0.7 mm· 26% | 41% | Drizzle | SSW 6 mph10 km/h | |
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 77°F25°C — feels like 95°F35°C. Light wind from the SW around 6 mph9 km/h. 26% chance of drizzle around midday. Heat risk in the afternoon. NightPartly cloudy, with a low around 78°F26°C. Breezy from the S at 7 mph11 km/h. | |||||||
| FridaySep 4 | 89°F31°C Feels 96°F36°C | 75°F24°C | 0.07 in1.7 mm· 22% | 55% | Showers | ESE 7 mph10 km/h | |
DayMostly cloudy and hot, with a high of 89°F31°C and morning low of 75°F24°C — feels like 97°F36°C. Breezy from the SE at 7 mph11 km/h. 16% chance of drizzle in the morning. Heat risk in the afternoon. NightPartly cloudy, with a low around 76°F25°C. Breezy from the E at 6 to 7 mph10 to 12 km/h. 22% chance of showers throughout the night. | |||||||
| SaturdaySep 5 | 82°F28°C Feels 87°F30°C | 74°F23°C | 0.13 in3.3 mm· 24% | 52% | Showers | NE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 82°F28°C and morning low of 75°F24°C. Breezy from the NE at 7 to 9 mph12 to 15 km/h. 24% chance of drizzle throughout the day. Heavy, humid air. NightPartly cloudy, with a low around 74°F23°C. Breezy from the NE at 7 to 8 mph11 to 13 km/h. 24% chance of showers throughout the night. | |||||||
| SundaySep 6 | 79°F26°C | 71°F21°C | 0.02 in0.5 mm· 5% | 60% | Partly Cloudy | E 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 79°F26°C and morning low of 71°F21°C. Breezy from the ESE at 7 to 8 mph11 to 13 km/h. Humid. NightMostly cloudy, with a low around 72°F22°C. Breezy from the E at 7 mph11 km/h. | |||||||
| MondaySep 7 | 80°F27°C | 69°F20°C | 0.02 in0.6 mm· 5% | 60% | Partly Cloudy | SE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 69°F20°C. Breezy from the SE at 7 to 8 mph11 to 12 km/h. NightMostly cloudy, with a low around 70°F21°C. Breezy from the ESE at 7 mph11 km/h. | |||||||
| TuesdaySep 8 | 87°F30°C | 69°F20°C | 0.02 in0.6 mm· 7% | 58% | Partly Cloudy | S 9 mph15 km/h | |
DayMostly cloudy and hot, with a high of 87°F30°C and morning low of 69°F20°C. Breezy from the S at 9 to 10 mph15 to 17 km/h. Humid. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SSE at 9 to 11 mph15 to 17 km/h. | |||||||
| WednesdaySep 9 | 90°F32°C Feels 95°F35°C | 75°F24°C | 0.04 in1.1 mm· 9% | 44% | Hot | SW 10 mph16 km/h | |
DayPartly cloudy and hot, with a high of 90°F32°C and morning low of 75°F24°C — feels like 95°F35°C. Breezy from the SW at 10 to 11 mph16 to 17 km/h. Heat risk in the afternoon. NightPartly cloudy, with a low around 76°F25°C. Breezy from the SSW at 10 to 11 mph16 to 18 km/h. | |||||||
| ThursdaySep 10 | 83°F28°C | 74°F23°C | 0.16 in4.1 mm· 24% | 55% | Showers | WSW 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 74°F23°C. Breezy from the WSW at 10 mph15 km/h. 24% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 74°F23°C. Breezy from the SW at 9 to 11 mph15 to 17 km/h. 24% chance of showers throughout the night. | |||||||
| FridaySep 11 | 80°F27°C | 69°F20°C | 0.17 in4.2 mm· 21% | 53% | Showers | SW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 69°F20°C. Breezy from the WSW at 9 to 10 mph14 to 15 km/h. 18% chance of drizzle throughout the day. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SW at 8 mph13 km/h. 21% chance of showers throughout the night. | |||||||
| SaturdaySep 12 | 78°F26°C | 67°F20°C | 0.16 in4 mm· 24% | 51% | Showers | SW 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 67°F20°C. Breezy from the SW at 9 to 10 mph15 to 16 km/h. 24% chance of showers throughout the day. NightPartly cloudy, with a low around 69°F20°C. Breezy from the SSW at 9 mph14 km/h. 16% chance of showers throughout the night. | |||||||
| SundaySep 13 | 78°F26°C | 66°F19°C | 0.14 in3.5 mm· 17% | 54% | Showers | SSW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 66°F19°C. Breezy from the SSW at 9 to 10 mph14 to 16 km/h. 17% chance of showers throughout the day. NightMostly cloudy, with a low around 67°F20°C. Breezy from the SSW at 9 mph14 km/h. 14% chance of showers throughout the night. | |||||||
| MondaySep 14 | 78°F26°C | 66°F19°C | 0.13 in3.3 mm· 19% | 51% | Showers | SSW 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 66°F19°C. Breezy from the SSW at 9 to 10 mph15 to 16 km/h. 18% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Breezy from the SSW at 9 mph14 km/h. 19% chance of showers throughout the night. | |||||||
| TuesdaySep 15 | 77°F25°C | 65°F19°C | 0.13 in3.2 mm· 16% | 51% | Showers | SW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 77°F25°C and morning low of 65°F19°C. Breezy from the SW at 9 to 10 mph15 to 16 km/h. 16% chance of showers throughout the day. NightPartly cloudy, with a low around 67°F19°C. Breezy from the SSW at 9 mph14 km/h. 16% chance of drizzle throughout the night. | |||||||
| WednesdaySep 16 | 76°F24°C | 64°F18°C | 0.11 in2.7 mm· 15% | 44% | Showers | WSW 9 mph14 km/h | |
DayPartly cloudy and warm, with a high of 76°F24°C and morning low of 64°F18°C. Breezy from the W at 9 mph14 km/h. 15% chance of drizzle throughout the day. NightPartly cloudy, with a low around 65°F18°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h. 14% chance of showers throughout the night. | |||||||
| ThursdaySep 17 | 75°F24°C | 62°F17°C | 0.07 in1.9 mm· 14% | 40% | Drizzle | WSW 8 mph14 km/h | |
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 62°F17°C. Breezy from the WSW at 9 mph14 km/h. 14% chance of drizzle throughout the day. NightPartly cloudy, with a low around 63°F17°C. Breezy from the SW at 8 mph13 km/h. 11% chance of drizzle throughout the night. | |||||||
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Coordinates: 42.0664°N, 87.9373°W·Elevation: 204m·Timezone: America/Chicago·Population: 54,747