Current Conditions
Buffalo Grove, Illinois
Feels like88°F31°C
Wind
SW 7 mph11 km/h
Humidity
77%
Cloud Cover
12%
As of Wednesday, September 2, 2026 at 10:26 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 87°F31°CFeels 94°F34°C | Low 77°F25°C | Precip 0.03 in0.8 mm24% | Cloud 44% | Wind SSW 6 mph10 km/h | Thursday: Mostly cloudy and hot, with a high of 87°F31°C and morning low of 77°F25°C — feels like 93°F34°C. Light wind from the SW around 6 mph9 km/h. 24% chance of drizzle around midday. Heavy, humid air. Thursday Night: Partly cloudy, with a low around 78°F26°C. Breezy from the S at 7 mph11 km/h. | |
| Showers | High 88°F31°CFeels 95°F35°C | Low 75°F24°C | Precip 0.08 in2 mm23% | Cloud 58% | Wind ESE 7 mph11 km/h | Friday: Mostly cloudy and hot, with a high of 88°F31°C and morning low of 75°F24°C — feels like 95°F35°C. Breezy from the SE at 7 mph11 km/h. 20% 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 7 mph11 km/h. 23% chance of showers throughout the night. | |
| Showers | High 81°F27°CFeels 85°F30°C | Low 74°F23°C | Precip 0.14 in3.5 mm26% | Cloud 52% | Wind NE 7 mph12 km/h | Saturday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 75°F24°C. Breezy from the NE at 8 to 9 mph12 to 15 km/h. 24% chance of showers 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 mph12 to 14 km/h. 26% chance of showers throughout the night. | |
| Partly Cloudy | High 78°F26°C | Low 71°F22°C | Precip 0.02 in0.5 mm5% | Cloud 61% | Wind E 7 mph11 km/h | Sunday: Mostly cloudy and warm, with a high of 78°F26°C and morning low of 71°F22°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°F26°C | Low 69°F21°C | Precip 0.02 in0.6 mm5% | Cloud 61% | Wind SE 7 mph11 km/h | Monday: Mostly cloudy and warm, with a high of 80°F26°C and morning low of 69°F21°C. Breezy from the SE at 7 to 8 mph11 to 13 km/h. Monday Night: Mostly cloudy, with a low around 70°F21°C. Breezy from the SE at 7 to 8 mph11 to 13 km/h. | |
| Partly Cloudy | High 86°F30°C | Low 69°F21°C | Precip 0.03 in0.7 mm8% | Cloud 59% | Wind S 10 mph15 km/h | Tuesday: Mostly cloudy and warm, with a high of 86°F30°C and morning low of 69°F21°C. Breezy from the S at 10 to 11 mph15 to 17 km/h. Humid. Tuesday Night: Mostly cloudy, with a low around 71°F22°C. Breezy from the S at 10 to 11 mph15 to 18 km/h. | |
| Drizzle | High 89°F32°CFeels 94°F35°C | Low 75°F24°C | Precip 0.05 in1.3 mm10% | Cloud 45% | Wind SW 10 mph17 km/h | Wednesday: Partly cloudy and hot, with a high of 89°F32°C and morning low of 75°F24°C — feels like 95°F35°C. Breezy from the SW at 10 mph16 km/h. Humid. Wednesday Night: Partly cloudy, with a low around 76°F25°C. Breezy from the SSW at 10 to 12 mph17 to 19 km/h. 10% chance of drizzle throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| ThursdaySep 3 | 87°F31°C Feels 94°F34°C | 77°F25°C | 0.03 in0.8 mm· 24% | 44% | Drizzle | SSW 6 mph10 km/h | |
DayMostly cloudy and hot, with a high of 87°F31°C and morning low of 77°F25°C — feels like 93°F34°C. Light wind from the SW around 6 mph9 km/h. 24% chance of drizzle around midday. Heavy, humid air. NightPartly cloudy, with a low around 78°F26°C. Breezy from the S at 7 mph11 km/h. | |||||||
| FridaySep 4 | 88°F31°C Feels 95°F35°C | 75°F24°C | 0.08 in2 mm· 23% | 58% | Showers | ESE 7 mph11 km/h | |
DayMostly cloudy and hot, with a high of 88°F31°C and morning low of 75°F24°C — feels like 95°F35°C. Breezy from the SE at 7 mph11 km/h. 20% 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 7 mph11 km/h. 23% chance of showers throughout the night. | |||||||
| SaturdaySep 5 | 81°F27°C Feels 85°F30°C | 74°F23°C | 0.14 in3.5 mm· 26% | 52% | Showers | NE 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 75°F24°C. Breezy from the NE at 8 to 9 mph12 to 15 km/h. 24% chance of showers throughout the day. Heavy, humid air. NightPartly cloudy, with a low around 74°F23°C. Breezy from the NE at 7 to 8 mph12 to 14 km/h. 26% chance of showers throughout the night. | |||||||
| SundaySep 6 | 78°F26°C | 71°F22°C | 0.02 in0.5 mm· 5% | 61% | Partly Cloudy | E 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 71°F22°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°F26°C | 69°F21°C | 0.02 in0.6 mm· 5% | 61% | Partly Cloudy | SE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 80°F26°C and morning low of 69°F21°C. Breezy from the SE at 7 to 8 mph11 to 13 km/h. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SE at 7 to 8 mph11 to 13 km/h. | |||||||
| TuesdaySep 8 | 86°F30°C | 69°F21°C | 0.03 in0.7 mm· 8% | 59% | Partly Cloudy | S 10 mph15 km/h | |
DayMostly cloudy and warm, with a high of 86°F30°C and morning low of 69°F21°C. Breezy from the S at 10 to 11 mph15 to 17 km/h. Humid. NightMostly cloudy, with a low around 71°F22°C. Breezy from the S at 10 to 11 mph15 to 18 km/h. | |||||||
| WednesdaySep 9 | 89°F32°C Feels 94°F35°C | 75°F24°C | 0.05 in1.3 mm· 10% | 45% | Drizzle | SW 10 mph17 km/h | |
DayPartly cloudy and hot, with a high of 89°F32°C and morning low of 75°F24°C — feels like 95°F35°C. Breezy from the SW at 10 mph16 km/h. Humid. NightPartly cloudy, with a low around 76°F25°C. Breezy from the SSW at 10 to 12 mph17 to 19 km/h. 10% chance of drizzle throughout the night. | |||||||
| ThursdaySep 10 | 83°F28°C | 74°F23°C | 0.17 in4.2 mm· 26% | 55% | Showers | WSW 10 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 mph16 km/h. 26% 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. 26% chance of showers throughout the night. | |||||||
| FridaySep 11 | 80°F27°C | 69°F21°C | 0.17 in4.3 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°F21°C. Breezy from the WSW at 9 to 10 mph15 to 16 km/h. 18% chance of showers throughout the day. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SW at 9 mph14 km/h. 21% chance of showers throughout the night. | |||||||
| SaturdaySep 12 | 78°F26°C | 68°F20°C | 0.17 in4.2 mm· 24% | 51% | Showers | SW 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 68°F20°C. Breezy from the SW at 10 mph16 km/h. 24% chance of showers throughout the day. NightPartly cloudy, with a low around 69°F21°C. Breezy from the SSW at 9 mph14 km/h. 17% chance of showers throughout the night. | |||||||
| SundaySep 13 | 78°F25°C | 66°F19°C | 0.13 in3.4 mm· 16% | 54% | Showers | SSW 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 78°F25°C and morning low of 66°F19°C. Breezy from the SSW at 9 to 10 mph15 to 16 km/h. 16% chance of showers throughout the day. NightMostly cloudy, with a low around 68°F20°C. Breezy from the SSW at 9 mph14 km/h. 15% chance of showers throughout the night. | |||||||
| MondaySep 14 | 78°F25°C | 67°F19°C | 0.13 in3.3 mm· 19% | 51% | Showers | SSW 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 78°F25°C and morning low of 67°F19°C. Breezy from the SSW at 10 mph15 km/h. 18% chance of drizzle throughout the day. NightPartly cloudy, with a low around 68°F20°C. Breezy from the SSW at 9 mph15 km/h. 19% chance of showers throughout the night. | |||||||
| TuesdaySep 15 | 76°F25°C | 66°F19°C | 0.13 in3.2 mm· 16% | 51% | Showers | SW 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 76°F25°C and morning low of 66°F19°C. Breezy from the SW at 10 mph15 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 showers throughout the night. | |||||||
| WednesdaySep 16 | 75°F24°C | 64°F18°C | 0.1 in2.6 mm· 15% | 44% | Showers | WSW 9 mph14 km/h | |
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 64°F18°C. Breezy from the W at 9 mph15 km/h. 15% chance of drizzle throughout the day. NightPartly cloudy, with a low around 65°F18°C. Breezy from the SW at 9 mph14 km/h. 14% chance of showers throughout the night. | |||||||
| ThursdaySep 17 | 75°F24°C | 63°F17°C | 0.08 in2 mm· 14% | 40% | Drizzle | WSW 9 mph14 km/h | |
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 63°F17°C. Breezy from the WSW at 9 mph14 km/h. 14% chance of drizzle throughout the day. NightPartly cloudy, with a low around 64°F18°C. Breezy from the SW at 8 to 9 mph14 to 14 km/h. 11% 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: 42.1514°N, 87.9598°W·Elevation: 207m·Timezone: America/Chicago·Population: 41,496