Current Conditions
Prospect Heights, Illinois
Wind
ENE 3 mph6 km/h
Humidity
94%
Cloud Cover
56%
As of Thursday, August 13, 2026 at 3:25 AM CDT
Today's Outlook
Day
Overcast and warm, with a high of 76°F25°C and morning low of 72°F22°C. Breezy from the ESE at 5 to 8 mph9 to 12 km/h. 85% chance of light rain in the afternoon. Heavy, humid air.
Night
Mostly cloudy, with a low around 72°F22°C. Light wind from the ENE around 4 mph7 km/h. 82% chance of rain in the evening.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Rain | High 76°F25°C | Low 72°F22°C | Precip 0.3 in7.6 mm85% | Cloud 83% | Wind E 5 mph8 km/h | Thursday: Overcast and warm, with a high of 76°F25°C and morning low of 72°F22°C. Breezy from the ESE at 5 to 8 mph9 to 12 km/h. 85% chance of light rain in the afternoon. Heavy, humid air. Thursday Night: Mostly cloudy, with a low around 72°F22°C. Light wind from the ENE around 4 mph7 km/h. 82% chance of rain in the evening. | |
| Light Rain | High 77°F25°C | Low 72°F22°C | Precip 0.26 in6.5 mm53% | Cloud 95% | Wind ENE 7 mph11 km/h | Friday: Overcast and warm, with a high of 77°F25°C and morning low of 72°F22°C. Breezy from the E at 7 to 8 mph11 to 13 km/h. 53% chance of light rain throughout the day. Humid. Friday Night: Overcast, with a low around 73°F23°C. Breezy from the ENE at 7 mph10 km/h. 42% chance of light rain throughout the night. | |
| Rain | High 79°F26°C | Low 73°F23°C | Precip 0.59 in15.1 mm78% | Cloud 92% | Wind SE 6 mph10 km/h | Saturday: Overcast and warm, with a high of 79°F26°C and morning low of 73°F23°C. Breezy from the SSE at 7 to 8 mph12 to 13 km/h. 78% chance of rain throughout the day. Heavy, humid air. Saturday Night: Overcast, with a low around 73°F23°C. Breezy from the SE at 6 to 7 mph9 to 11 km/h. 50% chance of light rain throughout the night. | |
| Light Rain | High 82°F28°CFeels 87°F31°C | Low 74°F23°C | Precip 0.28 in7 mm56% | Cloud 82% | Wind WNW 7 mph12 km/h | Sunday: Overcast and warm, with a high of 82°F28°C and morning low of 74°F24°C. Breezy from the WNW at 8 to 9 mph12 to 14 km/h. 42% chance of light rain throughout the day. Heavy, humid air. Sunday Night: Mostly cloudy, with a low around 74°F23°C. Breezy from the W at 7 mph11 km/h. 56% chance of light rain throughout the night. | |
| Drizzle | High 77°F25°C | Low 69°F21°C | Precip 0.04 in0.9 mm21% | Cloud 54% | Wind NNE 7 mph11 km/h | Monday: Mostly cloudy and warm, with a high of 77°F25°C and morning low of 69°F21°C. Breezy from the NNE at 7 to 8 mph12 to 13 km/h. 21% chance of drizzle throughout the day. Monday Night: Partly cloudy, with a low around 70°F21°C. Breezy from the NNE at 6 to 8 mph10 to 13 km/h. 17% chance of drizzle overnight. | |
| Partly Cloudy | High 81°F27°C | Low 66°F19°C | Precip 0.01 in0.3 mm6% | Cloud 56% | Wind SSW 6 mph10 km/h | Tuesday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 66°F19°C. Breezy from the SW at 7 to 8 mph11 to 14 km/h. Tuesday Night: Partly cloudy, with a low around 66°F19°C. Breezy from the SSW at 6 to 9 mph10 to 14 km/h. | |
| Light Rain | High 81°F27°CFeels 84°F29°C | Low 71°F22°C | Precip 0.25 in6.4 mm39% | Cloud 72% | Wind SW 9 mph14 km/h | Wednesday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 71°F22°C. Breezy from the SW at 9 to 10 mph15 to 16 km/h. 39% chance of light rain throughout the day. Humid. Wednesday Night: Mostly cloudy, with a low around 72°F22°C. Breezy from the SW at 9 to 10 mph14 to 15 km/h. 31% chance of showers throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| ThursdayAug 13 | 76°F25°C | 72°F22°C | 0.3 in7.6 mm· 85% | 83% | Rain | E 5 mph8 km/h | |
DayOvercast and warm, with a high of 76°F25°C and morning low of 72°F22°C. Breezy from the ESE at 5 to 8 mph9 to 12 km/h. 85% chance of light rain in the afternoon. Heavy, humid air. NightMostly cloudy, with a low around 72°F22°C. Light wind from the ENE around 4 mph7 km/h. 82% chance of rain in the evening. | |||||||
| FridayAug 14 | 77°F25°C | 72°F22°C | 0.26 in6.5 mm· 53% | 95% | Light Rain | ENE 7 mph11 km/h | |
DayOvercast and warm, with a high of 77°F25°C and morning low of 72°F22°C. Breezy from the E at 7 to 8 mph11 to 13 km/h. 53% chance of light rain throughout the day. Humid. NightOvercast, with a low around 73°F23°C. Breezy from the ENE at 7 mph10 km/h. 42% chance of light rain throughout the night. | |||||||
| SaturdayAug 15 | 79°F26°C | 73°F23°C | 0.59 in15.1 mm· 78% | 92% | Rain | SE 6 mph10 km/h | |
DayOvercast and warm, with a high of 79°F26°C and morning low of 73°F23°C. Breezy from the SSE at 7 to 8 mph12 to 13 km/h. 78% chance of rain throughout the day. Heavy, humid air. NightOvercast, with a low around 73°F23°C. Breezy from the SE at 6 to 7 mph9 to 11 km/h. 50% chance of light rain throughout the night. | |||||||
| SundayAug 16 | 82°F28°C Feels 87°F31°C | 74°F23°C | 0.28 in7 mm· 56% | 82% | Light Rain | WNW 7 mph12 km/h | |
DayOvercast and warm, with a high of 82°F28°C and morning low of 74°F24°C. Breezy from the WNW at 8 to 9 mph12 to 14 km/h. 42% chance of light rain throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 74°F23°C. Breezy from the W at 7 mph11 km/h. 56% chance of light rain throughout the night. | |||||||
| MondayAug 17 | 77°F25°C | 69°F21°C | 0.04 in0.9 mm· 21% | 54% | Drizzle | NNE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 77°F25°C and morning low of 69°F21°C. Breezy from the NNE at 7 to 8 mph12 to 13 km/h. 21% chance of drizzle throughout the day. NightPartly cloudy, with a low around 70°F21°C. Breezy from the NNE at 6 to 8 mph10 to 13 km/h. 17% chance of drizzle overnight. | |||||||
| TuesdayAug 18 | 81°F27°C | 66°F19°C | 0.01 in0.3 mm· 6% | 56% | Partly Cloudy | SSW 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 66°F19°C. Breezy from the SW at 7 to 8 mph11 to 14 km/h. NightPartly cloudy, with a low around 66°F19°C. Breezy from the SSW at 6 to 9 mph10 to 14 km/h. | |||||||
| WednesdayAug 19 | 81°F27°C Feels 84°F29°C | 71°F22°C | 0.25 in6.4 mm· 39% | 72% | Light Rain | SW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 71°F22°C. Breezy from the SW at 9 to 10 mph15 to 16 km/h. 39% chance of light rain throughout the day. Humid. NightMostly cloudy, with a low around 72°F22°C. Breezy from the SW at 9 to 10 mph14 to 15 km/h. 31% chance of showers throughout the night. | |||||||
| ThursdayAug 20 | 76°F24°C | 68°F20°C | 0.11 in2.9 mm· 16% | 51% | Showers | N 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 68°F20°C. Breezy from the N at 8 mph13 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F20°C. Breezy from the N at 8 mph12 km/h. 15% chance of showers throughout the night. | |||||||
| FridayAug 21 | 76°F24°C | 65°F18°C | 0.11 in2.7 mm· 16% | 47% | Showers | ENE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 65°F18°C. Breezy from the ENE at 7 to 8 mph11 to 12 km/h. 16% chance of drizzle throughout the day. NightPartly cloudy, with a low around 65°F19°C. Light wind from the NE around 6 mph10 km/h. 11% chance of showers throughout the night. | |||||||
| SaturdayAug 22 | 78°F26°C | 65°F19°C | 0.06 in1.4 mm· 9% | 39% | Clear | SW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 78°F26°C and morning low of 65°F19°C. Breezy from the NW at 7 mph11 km/h. NightPartly cloudy, with a low around 66°F19°C. Light wind from the SSE around 6 mph10 km/h. | |||||||
| SundayAug 23 | 80°F27°C | 66°F19°C | 0.04 in1.1 mm· 8% | 34% | Clear | SSW 7 mph10 km/h | |
DayPartly cloudy and warm, with a high of 80°F27°C and morning low of 66°F19°C. Breezy from the SW at 7 to 8 mph11 to 12 km/h. NightPartly cloudy, with a low around 66°F19°C. Light wind from the SSW around 6 mph10 km/h. | |||||||
| MondayAug 24 | 81°F27°C | 67°F20°C | 0.06 in1.5 mm· 9% | 39% | Clear | SSW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 67°F20°C. Breezy from the SW at 7 to 8 mph12 to 13 km/h. NightPartly cloudy, with a low around 67°F20°C. Breezy from the SSW at 7 mph11 km/h. | |||||||
| TuesdayAug 25 | 81°F27°C | 67°F20°C | 0.06 in1.5 mm· 8% | 40% | Partly Cloudy | SSW 7 mph12 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 67°F20°C. Breezy from the SSW at 8 mph12 km/h. NightPartly cloudy, with a low around 68°F20°C. Breezy from the S at 7 mph11 km/h. | |||||||
| WednesdayAug 26 | 81°F27°C | 68°F20°C | 0.06 in1.6 mm· 11% | 41% | Drizzle | NNW 7 mph12 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 68°F20°C. Breezy from the NNW at 7 to 8 mph12 to 13 km/h. 11% chance of drizzle throughout the day. NightPartly cloudy, with a low around 69°F20°C. Breezy from the NNW at 7 mph11 km/h. 11% chance of drizzle throughout the night. | |||||||
| ThursdayAug 27 | 79°F26°C | 67°F19°C | 0.06 in1.4 mm· 13% | 44% | Drizzle | NNE 7 mph12 km/h | |
DayPartly cloudy and warm, with a high of 79°F26°C and morning low of 67°F19°C. Breezy from the NNE at 8 to 9 mph12 to 14 km/h. 10% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Breezy from the NNE at 7 mph12 km/h. 13% chance of drizzle throughout the night. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 42.0953°N, 87.9376°W·Elevation: 204m·Timezone: America/Chicago·Population: 16,386