Current Conditions
Prospect Heights, Illinois
Wind
SSW 9 mph15 km/h
Humidity
63%
Cloud Cover
70%
As of Tuesday, September 8, 2026 at 10:41 PM CDT
Today's Outlook
Night
Mostly cloudy, with a low around 73°F23°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 50% chance of light rain before dawn.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Rain | High 79°F26°C | Low 72°F22°C | Precip 0.43 in10.8 mm100% | Cloud 85% | Wind WSW 8 mph13 km/h | Wednesday: Overcast and warm, with a high of 79°F26°C and morning low of 72°F22°C. Breezy from the WSW at 9 mph14 km/h. 100% chance of rain throughout the day. Humid. Wednesday Night: Mostly cloudy, with a low around 73°F23°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 50% chance of light rain before dawn. | |
| Partly Cloudy | High 74°F24°C | Low 65°F18°C | Precip 0 in0.1 mm3% | Cloud 69% | Wind NNE 7 mph11 km/h | Thursday: Overcast and warm, with a high of 74°F24°C and morning low of 67°F20°C. Breezy from the NNE at 7 mph11 km/h. Thursday Night: Mostly cloudy, with a low around 65°F18°C. Breezy from the NNW at 6 to 7 mph10 to 11 km/h. | |
| Clear | High 78°F26°C | Low 62°F17°C | Precip 0 in0.1 mm2% | Cloud 16% | Wind SE 6 mph9 km/h | Friday: Mostly clear and warm, with a high of 78°F26°C and morning low of 62°F17°C. Breezy from the SE at 6 to 7 mph10 to 11 km/h. Friday Night: Mostly clear, with a low around 63°F17°C. Breezy from the SE at 6 to 8 mph9 to 12 km/h. | |
| Drizzle | High 83°F28°C | Low 66°F19°C | Precip 0.02 in0.6 mm13% | Cloud 44% | Wind SW 7 mph12 km/h | Saturday: Mostly cloudy and warm, with a high of 83°F28°C and morning low of 66°F19°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 13% chance of drizzle in the afternoon. Humid. Saturday Night: Partly cloudy, with a low around 67°F19°C. Breezy from the SW at 7 to 8 mph11 to 12 km/h. 13% chance of drizzle in the evening. | |
| Drizzle | High 74°F23°C | Low 64°F18°C | Precip 0.04 in1 mm14% | Cloud 36% | Wind N 8 mph12 km/h | Sunday: Partly cloudy and warm, with a high of 74°F23°C and morning low of 64°F18°C. Breezy from the N at 8 to 9 mph13 to 14 km/h. 14% chance of drizzle around midday. Sunday Night: Partly cloudy, with a low around 65°F19°C. Breezy from the N at 7 to 8 mph12 to 13 km/h. 12% chance of drizzle in the evening. | |
| Showers | High 78°F26°C | Low 64°F18°C | Precip 0.13 in3.3 mm23% | Cloud 58% | Wind SE 11 mph17 km/h | Monday: Mostly cloudy and warm, with a high of 78°F26°C and morning low of 64°F18°C. Breezy from the SE at 11 to 12 mph17 to 20 km/h. 23% chance of showers throughout the day. Monday Night: Partly cloudy, with a low around 64°F18°C. Breezy from the SSE at 10 to 14 mph17 to 23 km/h. 17% chance of showers throughout the night. | |
| Showers | High 80°F27°C | Low 70°F21°C | Precip 0.14 in3.6 mm25% | Cloud 67% | Wind SW 11 mph17 km/h | Tuesday: Mostly cloudy and warm, with a high of 80°F27°C and morning low of 70°F21°C. Breezy from the WSW at 11 to 12 mph18 to 19 km/h. 21% chance of drizzle throughout the day. Tuesday Night: Mostly cloudy, with a low around 70°F21°C. Breezy from the SSW at 11 to 15 mph17 to 24 km/h. 25% chance of light rain throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 9 | 79°F26°C | 72°F22°C | 0.43 in10.8 mm· 100% | 85% | Rain | WSW 8 mph13 km/h | |
DayOvercast and warm, with a high of 79°F26°C and morning low of 72°F22°C. Breezy from the WSW at 9 mph14 km/h. 100% chance of rain throughout the day. Humid. NightMostly cloudy, with a low around 73°F23°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 50% chance of light rain before dawn. | |||||||
| ThursdaySep 10 | 74°F24°C | 65°F18°C | 0 in0.1 mm· 3% | 69% | Partly Cloudy | NNE 7 mph11 km/h | |
DayOvercast and warm, with a high of 74°F24°C and morning low of 67°F20°C. Breezy from the NNE at 7 mph11 km/h. NightMostly cloudy, with a low around 65°F18°C. Breezy from the NNW at 6 to 7 mph10 to 11 km/h. | |||||||
| FridaySep 11 | 78°F26°C | 62°F17°C | 0 in0.1 mm· 2% | 16% | Clear | SE 6 mph9 km/h | |
DayMostly clear and warm, with a high of 78°F26°C and morning low of 62°F17°C. Breezy from the SE at 6 to 7 mph10 to 11 km/h. NightMostly clear, with a low around 63°F17°C. Breezy from the SE at 6 to 8 mph9 to 12 km/h. | |||||||
| SaturdaySep 12 | 83°F28°C | 66°F19°C | 0.02 in0.6 mm· 13% | 44% | Drizzle | SW 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 66°F19°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 13% chance of drizzle in the afternoon. Humid. NightPartly cloudy, with a low around 67°F19°C. Breezy from the SW at 7 to 8 mph11 to 12 km/h. 13% chance of drizzle in the evening. | |||||||
| SundaySep 13 | 74°F23°C | 64°F18°C | 0.04 in1 mm· 14% | 36% | Drizzle | N 8 mph12 km/h | |
DayPartly cloudy and warm, with a high of 74°F23°C and morning low of 64°F18°C. Breezy from the N at 8 to 9 mph13 to 14 km/h. 14% chance of drizzle around midday. NightPartly cloudy, with a low around 65°F19°C. Breezy from the N at 7 to 8 mph12 to 13 km/h. 12% chance of drizzle in the evening. | |||||||
| MondaySep 14 | 78°F26°C | 64°F18°C | 0.13 in3.3 mm· 23% | 58% | Showers | SE 11 mph17 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 64°F18°C. Breezy from the SE at 11 to 12 mph17 to 20 km/h. 23% chance of showers throughout the day. NightPartly cloudy, with a low around 64°F18°C. Breezy from the SSE at 10 to 14 mph17 to 23 km/h. 17% chance of showers throughout the night. | |||||||
| TuesdaySep 15 | 80°F27°C | 70°F21°C | 0.14 in3.6 mm· 25% | 67% | Showers | SW 11 mph17 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 70°F21°C. Breezy from the WSW at 11 to 12 mph18 to 19 km/h. 21% chance of drizzle throughout the day. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SSW at 11 to 15 mph17 to 24 km/h. 25% chance of light rain throughout the night. | |||||||
| WednesdaySep 16 | 74°F23°C | 65°F18°C | 0.2 in5.2 mm· 30% | 65% | Showers | ENE 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 74°F23°C and morning low of 65°F18°C. Breezy from the ENE at 7 to 8 mph12 to 12 km/h. 27% chance of showers throughout the day. NightMostly cloudy, with a low around 66°F19°C. Breezy from the ENE at 7 mph11 km/h. 30% chance of showers throughout the night. | |||||||
| ThursdaySep 17 | 78°F26°C | 67°F20°C | 0.24 in6.2 mm· 27% | 60% | Showers | SSW 9 mph14 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. 27% chance of showers throughout the day. NightMostly cloudy, with a low around 68°F20°C. Breezy from the SSW at 9 to 10 mph14 to 15 km/h. 27% chance of showers throughout the night. | |||||||
| FridaySep 18 | 71°F22°C | 63°F17°C | 0.19 in4.8 mm· 25% | 56% | Showers | NW 10 mph15 km/h | |
DayMostly cloudy and warm, with a high of 71°F22°C and morning low of 63°F17°C. Breezy from the NW at 10 to 11 mph16 to 17 km/h. 20% chance of showers throughout the day. NightMostly cloudy, with a low around 64°F18°C. Breezy from the NW at 9 to 11 mph15 to 17 km/h. 25% chance of showers throughout the night. | |||||||
| SaturdaySep 19 | 70°F21°C | 58°F15°C | 0.11 in2.8 mm· 15% | 46% | Showers | NW 9 mph14 km/h | |
DayPartly cloudy and warm, with a high of 70°F21°C and morning low of 58°F15°C. Breezy from the WNW at 9 mph14 km/h. 15% chance of showers throughout the day. NightPartly cloudy, with a low around 60°F15°C. Breezy from the NW at 8 to 9 mph14 to 14 km/h. 13% chance of drizzle throughout the night. | |||||||
| SundaySep 20 | 67°F20°C | 57°F14°C | 0.11 in2.7 mm· 17% | 52% | Showers | N 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 67°F20°C and morning low of 57°F14°C. Breezy from the N at 9 mph15 km/h. 16% chance of showers throughout the day. Dry air. NightPartly cloudy, with a low around 58°F15°C. Breezy from the NNE at 9 mph14 km/h. 17% chance of drizzle throughout the night. | |||||||
| MondaySep 21 | 67°F19°C | 55°F13°C | 0.11 in2.7 mm· 18% | 53% | Drizzle | ENE 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 67°F19°C and morning low of 55°F13°C. Breezy from the ENE at 9 mph15 km/h. 18% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 57°F14°C. Breezy from the NE at 8 to 9 mph13 to 14 km/h. 14% chance of drizzle throughout the night. | |||||||
| TuesdaySep 22 | 69°F20°C | 56°F13°C | 0.1 in2.5 mm· 14% | 54% | Showers | ESE 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 69°F20°C and morning low of 56°F13°C. Breezy from the SE at 9 mph14 km/h. 14% chance of drizzle throughout the day. NightMostly cloudy, with a low around 57°F14°C. Breezy from the ESE at 8 mph13 km/h. 14% chance of showers throughout the night. | |||||||
| WednesdaySep 23 | 70°F21°C | 57°F14°C | 0.09 in2.2 mm· 15% | 56% | Showers | S 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 70°F21°C and morning low of 57°F14°C. Breezy from the S at 9 to 10 mph14 to 16 km/h. 15% chance of showers throughout the day. NightMostly cloudy, with a low around 58°F14°C. Breezy from the S at 8 mph13 km/h. 12% chance of drizzle throughout the night. | |||||||
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Coordinates: 42.0953°N, 87.9376°W·Elevation: 204m·Timezone: America/Chicago·Population: 16,386