Current Conditions
Round Lake, Illinois
Wind
ENE 9 mph14 km/h
Humidity
82%
Cloud Cover
64%
As of Wednesday, September 23, 2026 at 4:25 AM CDT
Today's Outlook
Day
Mostly cloudy and mild, with a high of 63°F17°C and morning low of 56°F13°C. Breezy from the ENE at 11 mph17 km/h.
Night
Mostly cloudy, with a low around 57°F14°C. Breezy from the ENE at 9 to 10 mph14 to 16 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Partly Cloudy | High 63°F17°C | Low 56°F13°C | Precip 0 in0.1 mm1% | Cloud 66% | Wind ENE 10 mph16 km/h | Wednesday: Mostly cloudy and mild, with a high of 63°F17°C and morning low of 56°F13°C. Breezy from the ENE at 11 mph17 km/h. Wednesday Night: Mostly cloudy, with a low around 57°F14°C. Breezy from the ENE at 9 to 10 mph14 to 16 km/h. | |
| Clear | High 65°F18°C | Low 56°F14°C | Precip 0 in0 mm— | Cloud 39% | Wind ENE 7 mph12 km/h | Thursday: Partly cloudy and mild, with a high of 65°F18°C and morning low of 56°F14°C. Breezy from the E at 8 to 9 mph13 to 14 km/h. Thursday Night: Partly cloudy, with a low around 57°F14°C. Breezy from the ENE at 7 to 8 mph11 to 13 km/h. | |
| Drizzle | High 66°F19°C | Low 58°F14°C | Precip 0.01 in0.2 mm14% | Cloud 72% | Wind E 5 mph9 km/h | Friday: Mostly cloudy and mild, with a high of 66°F19°C and morning low of 58°F15°C. Light wind from the E around 5 mph9 km/h. 14% chance of drizzle in the morning. Friday Night: Mostly cloudy, with a low around 58°F14°C. Light wind from the E around 5 mph9 km/h. | |
| Partly Cloudy | High 67°F19°C | Low 54°F12°C | Precip 0 in0 mm— | Cloud 57% | Wind E 6 mph9 km/h | Saturday: Mostly cloudy and mild, with a high of 67°F19°C and morning low of 54°F12°C. Light wind from the E around 6 mph10 km/h. Dry air. Saturday Night: Mostly cloudy, with a low around 56°F13°C. Light wind from the ENE around 6 mph9 km/h. | |
| Partly Cloudy | High 69°F20°C | Low 54°F12°C | Precip 0.01 in0.2 mm5% | Cloud 54% | Wind NE 4 mph7 km/h | Sunday: Mostly cloudy and warm, with a high of 69°F20°C and morning low of 54°F12°C. Light wind from the NE around 4 mph7 km/h. Sunday Night: Mostly cloudy, with a low around 55°F13°C. Light wind from the ENE around 4 mph7 km/h. | |
| Clear | High 71°F22°C | Low 53°F12°C | Precip 0 in0 mm— | Cloud 24% | Wind NE 4 mph7 km/h | Monday: Mostly clear and warm, with a high of 71°F22°C and morning low of 53°F12°C. Light wind from the NE around 4 mph6 km/h. Monday Night: Partly cloudy, with a low around 55°F13°C. Light wind from the ENE around 5 mph7 km/h. | |
| Drizzle | High 70°F21°C | Low 55°F13°C | Precip 0.06 in1.4 mm20% | Cloud 70% | Wind SSE 6 mph10 km/h | Tuesday: Mostly cloudy and warm, with a high of 70°F21°C and morning low of 55°F13°C. Breezy from the SSE at 6 to 8 mph10 to 13 km/h. 13% chance of drizzle around midday. Tuesday Night: Mostly cloudy, with a low around 56°F13°C. Breezy from the SSE at 6 to 8 mph10 to 13 km/h. 20% chance of drizzle in the evening. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 23 | 63°F17°C | 56°F13°C | 0 in0.1 mm· 1% | 66% | Partly Cloudy | ENE 10 mph16 km/h | |
DayMostly cloudy and mild, with a high of 63°F17°C and morning low of 56°F13°C. Breezy from the ENE at 11 mph17 km/h. NightMostly cloudy, with a low around 57°F14°C. Breezy from the ENE at 9 to 10 mph14 to 16 km/h. | |||||||
| ThursdaySep 24 | 65°F18°C | 56°F14°C | 0 in0 mm· — | 39% | Clear | ENE 7 mph12 km/h | |
DayPartly cloudy and mild, with a high of 65°F18°C and morning low of 56°F14°C. Breezy from the E at 8 to 9 mph13 to 14 km/h. NightPartly cloudy, with a low around 57°F14°C. Breezy from the ENE at 7 to 8 mph11 to 13 km/h. | |||||||
| FridaySep 25 | 66°F19°C | 58°F14°C | 0.01 in0.2 mm· 14% | 72% | Drizzle | E 5 mph9 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 58°F15°C. Light wind from the E around 5 mph9 km/h. 14% chance of drizzle in the morning. NightMostly cloudy, with a low around 58°F14°C. Light wind from the E around 5 mph9 km/h. | |||||||
| SaturdaySep 26 | 67°F19°C | 54°F12°C | 0 in0 mm· — | 57% | Partly Cloudy | E 6 mph9 km/h | |
DayMostly cloudy and mild, with a high of 67°F19°C and morning low of 54°F12°C. Light wind from the E around 6 mph10 km/h. Dry air. NightMostly cloudy, with a low around 56°F13°C. Light wind from the ENE around 6 mph9 km/h. | |||||||
| SundaySep 27 | 69°F20°C | 54°F12°C | 0.01 in0.2 mm· 5% | 54% | Partly Cloudy | NE 4 mph7 km/h | |
DayMostly cloudy and warm, with a high of 69°F20°C and morning low of 54°F12°C. Light wind from the NE around 4 mph7 km/h. NightMostly cloudy, with a low around 55°F13°C. Light wind from the ENE around 4 mph7 km/h. | |||||||
| MondaySep 28 | 71°F22°C | 53°F12°C | 0 in0 mm· — | 24% | Clear | NE 4 mph7 km/h | |
DayMostly clear and warm, with a high of 71°F22°C and morning low of 53°F12°C. Light wind from the NE around 4 mph6 km/h. NightPartly cloudy, with a low around 55°F13°C. Light wind from the ENE around 5 mph7 km/h. | |||||||
| TuesdaySep 29 | 70°F21°C | 55°F13°C | 0.06 in1.4 mm· 20% | 70% | Drizzle | SSE 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 70°F21°C and morning low of 55°F13°C. Breezy from the SSE at 6 to 8 mph10 to 13 km/h. 13% chance of drizzle around midday. NightMostly cloudy, with a low around 56°F13°C. Breezy from the SSE at 6 to 8 mph10 to 13 km/h. 20% chance of drizzle in the evening. | |||||||
| WednesdaySep 30 | 67°F19°C | 59°F15°C | 0.35 in8.9 mm· 40% | 81% | Light Rain | SSE 9 mph14 km/h | |
DayOvercast and mild, with a high of 67°F19°C and morning low of 59°F15°C. Breezy from the SSE at 9 to 10 mph14 to 15 km/h. 40% chance of light rain throughout the day. NightOvercast, with a low around 60°F16°C. Breezy from the S at 8 to 9 mph14 to 14 km/h. 36% chance of light rain throughout the night. | |||||||
| ThursdayOct 1 | 66°F19°C | 57°F14°C | 0.17 in4.2 mm· 27% | 66% | Showers | W 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 57°F14°C. Breezy from the W at 9 to 10 mph15 to 16 km/h. 27% chance of showers throughout the day. NightMostly cloudy, with a low around 58°F15°C. Breezy from the WSW at 9 mph14 km/h. 26% chance of showers throughout the night. | |||||||
| FridayOct 2 | 66°F19°C | 56°F13°C | 0.1 in2.5 mm· 24% | 65% | Drizzle | SSW 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 56°F13°C. Breezy from the SSW at 9 to 10 mph15 to 15 km/h. 20% chance of drizzle throughout the day. NightMostly cloudy, with a low around 56°F14°C. Breezy from the SSW at 8 mph13 km/h. 24% chance of drizzle throughout the night. | |||||||
| SaturdayOct 3 | 66°F19°C | 56°F13°C | 0.15 in3.7 mm· 24% | 67% | Showers | WSW 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 56°F13°C. Breezy from the SW at 9 to 10 mph14 to 15 km/h. 20% chance of drizzle throughout the day. NightMostly cloudy, with a low around 57°F14°C. Breezy from the WSW at 9 mph14 km/h. 24% chance of showers throughout the night. | |||||||
| SundayOct 4 | 64°F18°C | 54°F12°C | 0.12 in3 mm· 20% | 58% | Drizzle | WNW 10 mph16 km/h | |
DayMostly cloudy and mild, with a high of 64°F18°C and morning low of 54°F12°C. Breezy from the WNW at 10 to 11 mph17 to 18 km/h. 19% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 55°F13°C. Breezy from the WNW at 9 to 10 mph15 to 16 km/h. 20% chance of drizzle throughout the night. | |||||||
| MondayOct 5 | 62°F17°C | 51°F10°C | 0.09 in2.4 mm· 16% | 46% | Drizzle | W 9 mph15 km/h | |
DayPartly cloudy and mild, with a high of 62°F17°C and morning low of 51°F10°C. Breezy from the W at 10 mph16 km/h. 16% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 52°F11°C. Breezy from the W at 9 mph15 km/h. 12% chance of drizzle throughout the night. | |||||||
| TuesdayOct 6 | 63°F17°C | 50°F10°C | 0.07 in1.7 mm· 15% | 43% | Drizzle | W 10 mph16 km/h | |
DayPartly cloudy and mild, with a high of 63°F17°C and morning low of 50°F10°C. Breezy from the W at 10 to 11 mph16 to 17 km/h. 14% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 52°F11°C. Breezy from the W at 9 mph15 km/h. 15% chance of drizzle overnight. | |||||||
| WednesdayOct 7 | 64°F18°C | 49°F10°C Feels 45°F7°C | 0.04 in1.1 mm· 10% | 39% | Drizzle | W 9 mph15 km/h | |
DayPartly cloudy and mild, with a high of 64°F18°C and morning low of 49°F10°C. Breezy from the W at 10 mph16 km/h. Dry air. NightPartly cloudy, with a low around 51°F11°C. Breezy from the W at 9 mph15 km/h. 10% chance of drizzle throughout the night. | |||||||
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About This Forecast
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Coordinates: 42.3534°N, 88.0934°W·Elevation: 243m·Timezone: America/Chicago·Population: 18,461