Observed 3:55 PM CDT at KPIA
Heritage Lake, IL weather
Sunny and 72°22°, 10°6° warmer than a typical Oct 24.
Today: low 48°9° (likely 48°9° to 51°11°), high 73°23° (likely 69°21° to 73°23°).
Now 72°22°
Sunny
- Wind
- 7 mph11 km/h
- From the southeast. 35–7 mph11 km/h through 4 AM
- Dew point
- 46°8°
- Comfortable
- UV tomorrow
- 4Moderate
- Moderate 11 AM–4 PM · peak 4
- Air quality
- 58Moderate
- Main pollutant: Ozone
- Pressure
- 30.33 inHg1027 hPa
- Falling · −0.04 inHg−1.5 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
This afternoonNear 72°22° · Clear
TonightDown to 50°10° by 4 AM · Partly cloudy
Tomorrow morningUp to 67°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 76°24° by 3 PM · Mostly cloudy
Tomorrow nightDown to 51°11° by 5 AM · Mostly cloudy
Monday morningUp to 68°20° by 11 AM · Cloudy
Monday afternoonUp to 76°24° by 3 PM · Cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 4p | Sunny | 73°23° (likely 69°21° to 73°23°) | 73°23° | 0% | 7 mph11 km/h from SSE, gusts 9 mph14 km/h | 39% | 21% | 2 |
| Sat 5p | Sunny | 71°22° (likely 67°19° to 71°22°) | 71°22° | 0% | 6 mph10 km/h from SSE, gusts 8 mph13 km/h | 42% | 20% | 1 |
| Sat 6p | Clear | 68°20° (likely 63°17° to 68°20°) | 68°20° | 0% | 6 mph10 km/h from SSE, gusts 8 mph13 km/h | 46% | 14% | 0 |
| Sat 7p | Partly cloudy | 62°17° (likely 60°16° to 64°18°) | 62°17° | 0% | 5 mph8 km/h from SE, gusts 8 mph13 km/h | 56% | 46% | 0 |
| Sat 8p | Clear | 59°15° (likely 59°15° to 62°17°) | 59°15° | 0% | 5 mph8 km/h from SE, gusts 8 mph13 km/h | 67% | 42% | 0 |
| Sat 9p | Clear | 57°14° (likely 57°14° to 60°16°) | 57°14° | 0% | 5 mph8 km/h from SE, gusts 9 mph14 km/h | 70% | 6% | 0 |
| Sat 10p | Clear | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 5 mph8 km/h from SE, gusts 10 mph16 km/h | 71% | 1% | 0 |
| Sat 11p | Clear | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 5 mph8 km/h from SSE, gusts 13 mph20 km/h | 73% | 0% | 0 |
| Sun 12a | Clear | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 3 mph5 km/h from SSE, gusts 13 mph20 km/h | 75% | 10% | 0 |
| Sun 1a | Partly cloudy | 53°12° (likely 53°12° to 56°13°) | 53°12° | 0% | 5 mph8 km/h from SSE, gusts 11 mph18 km/h | 78% | 34% | 0 |
| Sun 2a | Cloudy | 52°11° (likely 52°11° to 55°13°) | 52°11° | 0% | 3 mph5 km/h from SSE, gusts 10 mph17 km/h | 80% | 66% | 0 |
| Sun 3a | Partly cloudy | 51°11° (likely 51°11° to 54°12°) | 51°11° | 0% | 3 mph5 km/h from SSE, gusts 10 mph16 km/h | 83% | 72% | 0 |
| Sun 4a | Cloudy | 50°10° (likely 50°10° to 53°12°) | 49°9° | 0% | 3 mph5 km/h from SSE, gusts 9 mph15 km/h | 85% | 76% | 0 |
| Sun 5a | Cloudy | 50°10° (likely 50°10° to 53°12°) | 49°9° | 0% | 3 mph5 km/h from SSE, gusts 9 mph14 km/h | 84% | 77% | 0 |
| Sun 6a | Cloudy | 49°9° (likely 49°9° to 52°11°) | 48°9° | 0% | 3 mph5 km/h from SSE, gusts 8 mph13 km/h | 86% | 86% | 0 |
| Sun 7a | Cloudy | 48°9° (likely 48°9° to 51°11°) | 47°8° | 0% | 3 mph5 km/h from SSE, gusts 8 mph13 km/h | 89% | 84% | 0 |
| Sun 8a | Mostly sunny | 50°10° (likely 50°10° to 52°11°) | 48°9° | 0% | 5 mph8 km/h from SSE, gusts 8 mph13 km/h | 86% | 81% | 0 |
| Sun 9a | Mostly sunny | 56°13° (likely 54°12° to 56°13°) | 56°13° | 0% | 5 mph8 km/h from SSE, gusts 8 mph12 km/h | 75% | 63% | 1 |
| Sun 10a | Mostly sunny | 62°17° (likely 60°16° to 62°17°) | 62°17° | 0% | 5 mph8 km/h from S, gusts 11 mph17 km/h | 64% | 67% | 2 |
| Sun 11a | Mostly sunny | 67°19° (likely 64°18° to 67°19°) | 67°19° | 0% | 6 mph10 km/h from S, gusts 10 mph16 km/h | 55% | 67% | 3 |
| Sun 12p | Partly sunny | 71°22° (likely 67°19° to 71°22°) | 71°22° | 0% | 6 mph10 km/h from S, gusts 9 mph15 km/h | 48% | 70% | 3 |
| Sun 1p | Cloudy | 73°23° (likely 69°21° to 74°23°) | 73°23° | 0% | 6 mph10 km/h from S, gusts 9 mph14 km/h | 44% | 78% | 4 |
| Sun 2p | Cloudy | 75°24° (likely 71°22° to 76°24°) | 75°24° | 0% | 5 mph8 km/h from S, gusts 9 mph14 km/h | 40% | 79% | 4 |
| Sun 3p | Cloudy | 76°24° (likely 71°22° to 76°24°) | 76°24° | 0% | 5 mph8 km/h from S, gusts 8 mph12 km/h | 39% | 80% | 3 |
| Sun 4p | Cloudy | 76°24° (likely 71°22° to 76°24°) | 76°24° | 0% | 3 mph5 km/h from S, gusts 7 mph11 km/h | 38% | 79% | 2 |
| Sun 5p | Cloudy | 74°23° (likely 69°21° to 74°23°) | 74°23° | 0% | 3 mph5 km/h from SSE, gusts 6 mph9 km/h | 42% | 78% | 1 |
| Sun 6p | Partly cloudy | 70°21° (likely 64°18° to 70°21°) | 70°21° | 0% | 2 mph3 km/h from SSE, gusts 6 mph10 km/h | 48% | 75% | 0 |
| Sun 7p | Cloudy | 65°18° (likely 62°17° to 66°19°) | 65°18° | 0% | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 57% | 75% | 0 |
| Sun 8p | Partly cloudy | 61°16° (likely 60°16° to 64°18°) | 61°16° | 0% | 2 mph3 km/h from SE, gusts 7 mph11 km/h | 65% | 75% | 0 |
| Sun 9p | Cloudy | 59°15° (likely 58°14° to 62°17°) | 59°15° | 0% | 2 mph3 km/h from SSE, gusts 7 mph12 km/h | 69% | 77% | 0 |
| Sun 10p | Cloudy | 58°14° (likely 57°14° to 60°16°) | 58°14° | 0% | 2 mph3 km/h from SSE, gusts 8 mph12 km/h | 70% | 78% | 0 |
| Sun 11p | Cloudy | 56°13° (likely 56°13° to 60°16°) | 56°13° | 0% | 2 mph3 km/h from SSE, gusts 9 mph14 km/h | 73% | 79% | 0 |
| Mon 12a | Cloudy | 55°13° (likely 55°13° to 59°15°) | 55°13° | 0% | 2 mph3 km/h from SSE, gusts 9 mph14 km/h | 76% | 80% | 0 |
| Mon 1a | Cloudy | 54°12° (likely 54°12° to 58°14°) | 54°12° | 0% | 2 mph3 km/h from SSE, gusts 8 mph13 km/h | 79% | 81% | 0 |
| Mon 2a | Cloudy | 53°12° (likely 53°12° to 57°14°) | 53°12° | 0% | 1 mph2 km/h from SSE, gusts 7 mph11 km/h | 81% | 82% | 0 |
| Mon 3a | Cloudy | 53°12° (likely 53°12° to 56°13°) | 53°12° | 0% | 1 mph2 km/h from SSE, gusts 7 mph11 km/h | 80% | 82% | 0 |
| Mon 4a | Cloudy | 52°11° (likely 52°11° to 55°13°) | 52°11° | 0% | 1 mph2 km/h from SSE, gusts 6 mph10 km/h | 82% | 65% | 0 |
| Mon 5a | Cloudy | 51°11° (likely 51°11° to 54°12°) | 51°11° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 84% | 80% | 0 |
| Mon 6a | Cloudy | 50°10° (likely 50°10° to 54°12°) | 50°10° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 86% | 87% | 0 |
| Mon 7a | Cloudy | 50°10° (likely 50°10° to 53°12°) | 50°10° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 86% | 90% | 0 |
| Mon 8a | Cloudy | 51°11° (likely 51°11° to 53°12°) | 51°11° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 86% | 89% | 0 |
| Mon 9a | Cloudy | 57°14° (likely 56°13° to 58°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 75% | 91% | 1 |
| Mon 10a | Cloudy | 63°17° (likely 62°17° to 63°17°) | 63°17° | 0% | 1 mph2 km/h from SSE, gusts 3 mph5 km/h | 66% | 90% | 2 |
| Mon 11a | Cloudy | 68°20° (likely 66°19° to 68°20°) | 68°20° | 0% | 2 mph3 km/h from SSE, gusts 3 mph5 km/h | 57% | 91% | 3 |
| Mon 12p | Cloudy | 71°22° (likely 70°21° to 72°22°) | 71°22° | 0% | 2 mph3 km/h from SSE, gusts 4 mph6 km/h | 50% | 90% | 3 |
| Mon 1p | Cloudy | 73°23° (likely 72°22° to 75°24°) | 73°23° | 0% | 3 mph5 km/h from SSE, gusts 5 mph8 km/h | 47% | 88% | 4 |
| Mon 2p | Cloudy | 75°24° (likely 72°22° to 75°24°) | 75°24° | 0% | 3 mph5 km/h from SSE, gusts 6 mph9 km/h | 43% | 87% | 4 |
| Mon 3p | Cloudy | 76°24° (likely 72°22° to 76°24°) | 76°24° | 0% | 3 mph5 km/h from SSE, gusts 6 mph10 km/h | 41% | 86% | 3 |
Days ahead
Today, Oct 24. Cloudy. High 73°23°, low 48°9°. Typical 63°17° / 40°4°. Dry. Mostly agree.
Afternoon
noon–6 PM
Sunny, 73°23°Dry
Evening
6 PM–midnight
Clear, 59°15°Dry
Overnight
midnight–6 AM
Partly cloudy, 50°10°Dry
Official NWS forecast
Today: Mostly sunny, with a high near 73. South southeast wind around 7 mph.
Tonight: Mostly clear, with a low around 48. South southeast wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 69°21°–73°23°
- Low, likely
- 48°9°–51°11°
- Typical high / low
- 63°17° / 40°4°
- Wind
- 9 mph14 km/h, gusts 19 mph30 km/h
- UV peak
- 4
Tomorrow, Oct 25. Cloudy. High 76°24°, low 50°10°. Typical 62°17° / 39°4°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 50°10°Dry
Afternoon
noon–6 PM
Cloudy, 76°24°Dry
Evening
6 PM–midnight
Cloudy, 61°16°Dry
Overnight
midnight–6 AM
Cloudy, 51°11°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 76. South southeast wind around 6 mph.
Night: Partly cloudy, with a low around 50. South southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 71°22°–76°24°
- Low, likely
- 49°9°–51°11°
- Typical high / low
- 62°17° / 39°4°
- Wind
- 9 mph15 km/h, gusts 19 mph31 km/h
- UV peak
- 4
Monday, Oct 26. Cloudy. High 76°24°, low 50°10°. Typical 62°17° / 39°4°. Dry. Forecasts agree.
Morning
6 AM–noon
Cloudy, 51°11°Dry
Afternoon
noon–6 PM
Cloudy, 76°24°Dry
Evening
6 PM–midnight
Cloudy, 62°17°Dry
Overnight
midnight–6 AM
Cloudy, 53°12°Dry
Official NWS forecast
Day: Partly sunny, with a high near 76. Southeast wind 0 to 3 mph.
Night: Partly cloudy, with a low around 50. East southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 73°23°–76°24°
- Low, likely
- 50°10°–52°11°
- Typical high / low
- 62°17° / 39°4°
- Wind
- 10 mph16 km/h, gusts 17 mph27 km/h
- UV peak
- 4
Tuesday, Oct 27. Cloudy. High 74°23°, low 53°12°. Typical 61°16° / 39°4°. Dry. Forecasts agree.
Morning
6 AM–noon
Cloudy, 54°12°Dry
Afternoon
noon–6 PM
Cloudy, 71°22°Dry
Evening
6 PM–midnight
Cloudy, 63°17°Dry
Overnight
midnight–6 AM
Cloudy, 56°13°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 74. South southeast wind 3 to 7 mph.
Night: Mostly cloudy, with a low around 53.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 70°21°–74°23°
- Low, likely
- 50°10°–55°13°
- Typical high / low
- 61°16° / 39°4°
- Wind
- 10 mph16 km/h, gusts 21 mph33 km/h
- UV peak
- 3
Wednesday, Oct 28. Partly sunny. High 77°25°, low 55°13°. Typical 60°16° / 38°3°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 56°13°Dry
Afternoon
noon–6 PM
Sunny, 74°23°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Clear, 58°14°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 77.
Night: Mostly clear, with a low around 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–77°25°
- Low, likely
- 52°11°–55°13°
- Typical high / low
- 60°16° / 38°3°
- Wind
- 15 mph24 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Thursday, Oct 29. Mostly sunny. High 78°26°, low 55°13°. Typical 60°16° / 38°3°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 59°15°Dry
Afternoon
noon–6 PM
Cloudy, 76°24°Dry
Evening
6 PM–midnight
Mostly clear, 67°19°Dry
Overnight
midnight–6 AM
Mostly clear, 59°15°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 78.
Night: Partly cloudy, with a low around 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–78°26°
- Low, likely
- 55°13°–58°14°
- Typical high / low
- 60°16° / 38°3°
- Wind
- 13 mph21 km/h, gusts 25 mph40 km/h
- UV peak
- 3
Friday, Oct 30. Cloudy. High 78°26°, low 56°13°. Typical 60°16° / 38°3°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 60°16°Dry
Afternoon
noon–6 PM
Partly sunny, 76°25°Dry
Evening
6 PM–midnight
Cloudy, 67°20°Dry
Overnight
midnight–6 AM
Cloudy, 59°15°20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 78.
Night: Mostly cloudy, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–78°26°
- Low, likely
- 56°13°–59°15°
- Typical high / low
- 60°16° / 38°3°
- Wind
- 15 mph24 km/h, gusts 26 mph42 km/h
- UV peak
- 4
Saturday, Oct 31. Drizzle. High 71°22°, low 59°15°. Typical 59°15° / 37°3°. Rain 0.11 in2.8 mm, 50% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 60°15°30% chance
Afternoon
noon–6 PM
Cloudy, 72°22°40% chance
Evening
6 PM–midnight
Drizzle, 64°18°50% chance · 0.08 in1.9 mm
Overnight
midnight–6 AM
Drizzle, 62°16°50% chance · 0.13 in3.3 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 70°21°–73°23°
- Low, likely
- 55°13°–61°16°
- Typical high / low
- 59°15° / 37°3°
- Wind
- 20 mph33 km/h, gusts 27 mph43 km/h
- UV peak
- 2
Sunday, Nov 1. Drizzle. High 68°20°, low 59°15°. Typical 58°14° / 37°3°. Rain 0.6 in15 mm, 60% chance. Forecasts agree.
Morning
6 AM–noon
Drizzle, 63°17°50% chance · 0.12 in3.1 mm
Afternoon
noon–6 PM
Drizzle, 68°20°40% chance · 0.17 in4.2 mm
Evening
6 PM–midnight
Drizzle, 64°18°30% chance · 0.24 in6.1 mm
Overnight
midnight–6 AM
Drizzle, 49°10°30% chance · 0.01 in0.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 68°20°–69°21°
- Low, likely
- 56°13°–61°16°
- Typical high / low
- 58°14° / 37°3°
- Wind
- 22 mph35 km/h, gusts 41 mph66 km/h
- UV peak
- 2
Monday, Nov 2. Drizzle. High 61°16°, low 50°10°. Typical 58°14° / 37°3°. Rain 0.5 in13 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 48°9°40% chance · 0.09 in2.2 mm
Afternoon
noon–6 PM
Drizzle, 53°12°40% chance · 0.32 in8.2 mm
Evening
6 PM–midnight
Drizzle, 52°11°40% chance · 0.17 in4.3 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 53°12°–68°20°
- Low, likely
- 36°2°–64°18°
- Typical high / low
- 58°14° / 37°3°
- Wind
- 21 mph34 km/h, gusts 42 mph68 km/h
The outlook
Today
Dry, high 73°, low 48°.
Tomorrow
Dry, high 76°, low 50°, warming up.
Monday
Dry, high 76°, low 50°.
Rest of week
Highs 61–78°; chance of precipitation on Saturday, Sunday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (ILX) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 87% less heating than a typical week.
Heating degree days, base 65°F
Comfort
Dry air outside (dew point 46°F).
Open the windows?
Today, 5:00 PM–7:00 PM
Good stretch to open the windows.
Is this typical?
Oct 24, today vs a typical year
Today’s expected high is 10°6° warmer than typical.
- Normal high / low
- 63°17° / 40°4°
- Forecast high / low
- 73°23° / 48°9°
- Record high
- 79°26° in 2022
- Record low
- 20°−7° in 1999
Last 7 days vs normal
- —SunOct 18
- —MonOct 19
- —TueOct 20
- —WedOct 21
- —ThuOct 22
- —FriOct 23
- —SatOct 24
Heritage Lake weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:18 AM, sunset 6:04 PM.
- Daylight
- 10 h 46 min
- Losing 2 min 30 s a day; shortest Dec 21, 1 h 29 min less
- Golden hour
- 5:26–6:21 PM
- Morning 7:01–7:56 AM
- Blue hour
- 6:21–6:31 PM
- Morning 6:50–7:01 AM; first light 6:50 AM
Stars tonight? Fair
Mostly clear 9 PM–1 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 5:32 AM · rises 5:01 PM
- Full moon
- Oct 25
- New moon
- Nov 9
