Illinois River near Henry
6.4 mi- Level
- 14.7 ft
- Flow
- 4,350 cfs
Forecast peak 14.7 ft Sun 7 PM
Reading from Sun 1:45 PM · NWS gauge page
Observed 1:15 PM CDT at KC75
Lacon, IL weather
Sunny and 74°23°.
Today: low 50°10° (likely 46°8° to 51°11°), high 76°24° (likely 71°22° to 76°24°).
Now 74°23°
Sunny
- Wind
- Calm
- Up to 5 mph8 km/h through 2 AM
- Dew point
- 44°7°
- Comfortable
- UV index
- 3Moderate
- Moderate until 3 PM · peak 4
- Air quality
- 51Moderate
- Main pollutant: PM2.5 (fine particles)
- Pressure
- 30.36 inHg1028 hPa
- Falling · −0.08 inHg−2.6 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
3°1° warmer than this time yesterday (71°22° then, 74°23° now)
Good hours for
This afternoonNear 74°23° · Mostly cloudy
TonightDown to 52°11° by 4 AM · Mostly cloudy
Tomorrow morningUp to 66°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 73°23° by 2 PM · Mostly cloudy
Tomorrow nightDown to 48°9° by 4 AM · Mostly cloudy
Tuesday morningUp to 65°18° by 11 AM · Mostly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sun 2p | Mostly cloudy | 75°24° (likely 70°21° to 75°24°) | 75°24° | 0% | 5 mph8 km/h from S, gusts 9 mph14 km/h | 33% | 64% | 3 |
| Sun 3p | Cloudy | 76°24° (likely 71°22° to 76°24°) | 76°24° | 0% | 5 mph8 km/h from S, gusts 7 mph12 km/h | 32% | 72% | 2 |
| Sun 4p | Cloudy | 75°24° (likely 70°21° to 75°24°) | 75°24° | 0% | 3 mph5 km/h from S, gusts 7 mph12 km/h | 36% | 76% | 1 |
| Sun 5p | Cloudy | 73°23° (likely 69°21° to 73°23°) | 73°23° | 0% | 2 mph3 km/h from S, gusts 7 mph12 km/h | 43% | 77% | 0 |
| Sun 6p | Cloudy | 69°21° (likely 64°18° to 69°21°) | 69°21° | 0% | 2 mph3 km/h from S, gusts 5 mph9 km/h | 49% | 79% | 0 |
| Sun 7p | Cloudy | 64°18° (likely 61°16° to 65°18°) | 64°18° | 0% | 2 mph3 km/h from S, gusts 5 mph8 km/h | 58% | 80% | 0 |
| Sun 8p | Partly cloudy | 61°16° (likely 60°16° to 63°17°) | 61°16° | 0% | 2 mph3 km/h from SSE, gusts 5 mph8 km/h | 62% | 59% | 0 |
| Sun 9p | Partly cloudy | 59°15° (likely 58°14° to 60°16°) | 59°15° | 0% | 2 mph3 km/h from SSE, gusts 5 mph9 km/h | 67% | 69% | 0 |
| Sun 10p | Partly cloudy | 57°14° (likely 57°14° to 59°15°) | 57°14° | 0% | 1 mph2 km/h from SSE, gusts 5 mph8 km/h | 69% | 73% | 0 |
| Sun 11p | Partly cloudy | 56°13° (likely 56°13° to 58°14°) | 56°13° | 0% | 1 mph2 km/h from S, gusts 5 mph7 km/h | 72% | 52% | 0 |
| Mon 12a | Cloudy | 55°13° (likely 55°13° to 57°14°) | 55°13° | 0% | 1 mph2 km/h from S, gusts 5 mph9 km/h | 74% | 80% | 0 |
| Mon 1a | Cloudy | 54°12° (likely 54°12° to 56°13°) | 54°12° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 74% | 77% | 0 |
| Mon 2a | Cloudy | 54°12° (likely 54°12° to 56°13°) | 54°12° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 74% | 80% | 0 |
| Mon 3a | Cloudy | 53°12° (likely 53°12° to 55°13°) | 53°12° | 0% | 1 mph2 km/h from S, gusts 4 mph7 km/h | 77% | 65% | 0 |
| Mon 4a | Cloudy | 52°11° (likely 52°11° to 54°12°) | 52°11° | 0% | 1 mph2 km/h from S, gusts 4 mph7 km/h | 80% | 80% | 0 |
| Mon 5a | Cloudy | 52°11° (likely 51°11° to 53°12°) | 52°11° | 0% | 1 mph2 km/h from S, gusts 4 mph6 km/h | 80% | 79% | 0 |
| Mon 6a | Cloudy | 51°11° (likely 51°11° to 52°11°) | 51°11° | 0% | 1 mph2 km/h from S, gusts 3 mph4 km/h | 83% | 79% | 0 |
| Mon 7a | Cloudy | 50°10° (likely 50°10° to 52°11°) | 50°10° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 86% | 87% | 0 |
| Mon 8a | Cloudy | 51°11° (likely 50°10° to 53°12°) | 51°11° | 0% | 1 mph2 km/h from ENE, gusts 2 mph3 km/h | 86% | 80% | 0 |
| Mon 9a | Cloudy | 56°13° (likely 53°12° to 56°13°) | 56°13° | 0% | 1 mph2 km/h from NE, gusts 5 mph7 km/h | 77% | 80% | 1 |
| Mon 10a | Cloudy | 62°17° (likely 58°14° to 62°17°) | 62°17° | 0% | 2 mph3 km/h from NE, gusts 7 mph12 km/h | 65% | 81% | 1 |
| Mon 11a | Cloudy | 66°19° (likely 63°17° to 66°19°) | 66°19° | 0% | 3 mph5 km/h from ENE, gusts 8 mph13 km/h | 56% | 83% | 2 |
| Mon 12p | Cloudy | 69°21° (likely 66°19° to 69°21°) | 69°21° | 0% | 3 mph5 km/h from ENE, gusts 8 mph13 km/h | 51% | 81% | 3 |
| Mon 1p | Cloudy | 71°22° (likely 68°20° to 71°22°) | 71°22° | 5% | 5 mph8 km/h from ENE, gusts 7 mph12 km/h | 49% | 83% | 4 |
| Mon 2p | Cloudy | 73°23° (likely 69°21° to 73°23°) | 73°23° | 5% | 5 mph8 km/h from ENE, gusts 8 mph13 km/h | 44% | 80% | 3 |
| Mon 3p | Cloudy | 73°23° (likely 70°21° to 73°23°) | 73°23° | 5% | 5 mph8 km/h from ENE, gusts 7 mph11 km/h | 43% | 79% | 3 |
| Mon 4p | Cloudy | 73°23° (likely 70°21° to 73°23°) | 73°23° | 5% | 6 mph10 km/h from ENE, gusts 8 mph12 km/h | 44% | 81% | 2 |
| Mon 5p | Cloudy | 72°22° (likely 68°20° to 72°22°) | 72°22° | 0% | 6 mph10 km/h from ENE, gusts 9 mph15 km/h | 46% | 77% | 1 |
| Mon 6p | Cloudy | 68°20° (likely 64°18° to 68°20°) | 68°20° | 0% | 7 mph11 km/h from ENE, gusts 14 mph22 km/h | 55% | 77% | 0 |
| Mon 7p | Partly cloudy | 62°17° (likely 62°17° to 64°18°) | 62°17° | 0% | 8 mph13 km/h from ENE, gusts 17 mph27 km/h | 67% | 58% | 0 |
| Mon 8p | Partly cloudy | 60°16° (likely 59°15° to 63°17°) | 60°16° | 0% | 8 mph13 km/h from ENE, gusts 18 mph28 km/h | 69% | 63% | 0 |
| Mon 9p | Cloudy | 57°14° (likely 56°13° to 60°16°) | 57°14° | 0% | 7 mph11 km/h from ENE, gusts 17 mph28 km/h | 75% | 70% | 0 |
| Mon 10p | Cloudy | 55°13° (likely 54°12° to 58°14°) | 55°13° | 0% | 7 mph11 km/h from E, gusts 17 mph28 km/h | 80% | 59% | 0 |
| Mon 11p | Cloudy | 54°12° (likely 53°12° to 56°13°) | 54°12° | 0% | 6 mph10 km/h from ENE, gusts 15 mph23 km/h | 80% | 58% | 0 |
| Tue 12a | Cloudy | 51°11° (likely 51°11° to 55°13°) | 51°11° | 0% | 6 mph10 km/h from E, gusts 14 mph22 km/h | 89% | 58% | 0 |
| Tue 1a | Cloudy | 50°10° (likely 50°10° to 54°12°) | 48°9° | 0% | 5 mph8 km/h from ENE, gusts 10 mph16 km/h | 93% | 59% | 0 |
| Tue 2a | Cloudy | 50°10° (likely 50°10° to 54°12°) | 49°9° | 0% | 3 mph5 km/h from ENE, gusts 7 mph11 km/h | 93% | 65% | 0 |
| Tue 3a | Cloudy | 49°9° (likely 49°9° to 53°12°) | 48°9° | 0% | 3 mph5 km/h from ENE, gusts 7 mph12 km/h | 96% | 74% | 0 |
| Tue 4a | Cloudy | 48°9° (likely 48°9° to 53°12°) | 48°9° | 0% | 2 mph3 km/h from E, gusts 8 mph12 km/h | 100% | 83% | 0 |
| Tue 5a | Cloudy | 48°9° (likely 48°9° to 53°12°) | 48°9° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 100% | 83% | 0 |
| Tue 6a | Mostly cloudy | 47°8° (likely 47°8° to 53°12°) | 46°8° | 0% | 3 mph5 km/h from E, gusts 6 mph10 km/h | 100% | 81% | 0 |
| Tue 7a | Mostly cloudy | 48°9° (likely 47°8° to 53°12°) | 48°9° | 0% | 0 mph0 km/h, gusts 7 mph10 km/h | 100% | 78% | 0 |
| Tue 8a | Mostly cloudy | 50°10° (likely 48°9° to 55°13°) | 50°10° | 0% | 2 mph3 km/h from SE, gusts 7 mph11 km/h | 96% | 73% | 0 |
| Tue 9a | Cloudy | 55°13° (likely 53°12° to 58°14°) | 55°13° | 0% | 3 mph5 km/h from SSE, gusts 8 mph13 km/h | 83% | 83% | 1 |
| Tue 10a | Cloudy | 61°16° (likely 58°14° to 62°17°) | 61°16° | 0% | 5 mph8 km/h from SSE, gusts 10 mph16 km/h | 67% | 82% | 1 |
| Tue 11a | Cloudy | 65°18° (likely 61°16° to 67°19°) | 65°18° | 0% | 6 mph10 km/h from S, gusts 14 mph22 km/h | 58% | 88% | 2 |
| Tue 12p | Cloudy | 69°21° (likely 65°18° to 70°21°) | 69°21° | 0% | 7 mph11 km/h from S, gusts 15 mph24 km/h | 51% | 91% | 3 |
| Tue 1p | Cloudy | 71°22° (likely 68°20° to 72°22°) | 71°22° | 0% | 7 mph11 km/h from S, gusts 17 mph28 km/h | 46% | 78% | 3 |
Days ahead
Tap a day for its hours and the official wording.
Today, Oct 25. Cloudy. High 76°24°, low 50°10°. Dry. Mostly agree.
Afternoon
noon–6 PM
Cloudy, 76°24°Dry
Evening
6 PM–midnight
Partly cloudy, 61°16°Dry
Overnight
midnight–6 AM
Cloudy, 52°11°Dry
Official NWS forecast
Today: Partly sunny, with a high near 76. South wind around 5 mph.
Tonight: 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
- 46°8°–51°11°
- Wind
- 7 mph11 km/h, gusts 13 mph22 km/h
- UV peak
- 4
Tomorrow, Oct 26. Cloudy. High 73°23°, low 47°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Cloudy, 51°11°Dry
Afternoon
noon–6 PM
Cloudy, 73°23°Dry
Evening
6 PM–midnight
Cloudy, 60°16°Dry
Overnight
midnight–6 AM
Cloudy, 48°9°Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 73. East northeast wind 0 to 6 mph.
Night: Mostly cloudy, with a low around 47. East northeast wind 2 to 8 mph, with gusts as high as 17 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 70°21°–73°23°
- Low, likely
- 47°8°–52°11°
- Wind
- 11 mph18 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Tuesday, Oct 27. Mostly cloudy. High 73°23°, low 53°12°. Dry. Mostly agree. Best day outdoors this week.
Morning
6 AM–noon
Cloudy, 50°10°Dry
Afternoon
noon–6 PM
Cloudy, 71°22°Dry
Evening
6 PM–midnight
Cloudy, 63°17°Dry
Overnight
midnight–6 AM
Cloudy, 56°14°Dry
Official NWS forecast
Day: Partly sunny, with a high near 73. Southeast wind 0 to 7 mph.
Night: Mostly cloudy, with a low around 53. South wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 73°23°).
- High, likely
- 69°21°–73°23°
- Low, likely
- 48°9°–53°12°
- Wind
- 11 mph17 km/h, gusts 20 mph31 km/h
- UV peak
- 3
Wednesday, Oct 28. Cloudy. High 75°24°, low 56°13°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 56°13°Dry
Afternoon
noon–6 PM
Sunny, 71°22°Dry
Evening
6 PM–midnight
Clear, 63°17°Dry
Overnight
midnight–6 AM
Cloudy, 60°16°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 75. South wind 5 to 8 mph, with gusts as high as 16 mph.
Night: Mostly clear, with a low around 56.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 68°20°–75°24°
- Low, likely
- 54°12°–57°14°
- Wind
- 13 mph21 km/h, gusts 36 mph58 km/h
- UV peak
- 2
Thursday, Oct 29. Showers. High 77°25°, low 55°13°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 61°16°Dry
Afternoon
noon–6 PM
Drizzle, 72°22°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Cloudy, 53°12°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 7am. Mostly sunny, with a high near 77.
Night: A chance of rain showers before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 71°22°–77°25°
- Low, likely
- 55°13°–58°14°
- Wind
- 16 mph25 km/h, gusts 39 mph63 km/h
- UV peak
- 4
Friday, Oct 30. Cloudy. High 77°25°, low 56°13°. Rain 0.02 in0.5 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 54°12°Dry
Afternoon
noon–6 PM
Cloudy, 71°22°Dry
Evening
6 PM–midnight
Cloudy, 60°16°Dry
Overnight
midnight–6 AM
Cloudy, 57°14°20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Night: A chance of rain showers. Mostly cloudy, with a low around 56.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 66°19°–77°25°
- Low, likely
- 49°9°–56°13°
- Wind
- 10 mph16 km/h, gusts 24 mph38 km/h
- UV peak
- 3
Saturday, Oct 31. Showers. High 73°23°, low 55°13°. Rain 0.17 in4.3 mm, 50% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 58°14°30% chance · 0.09 in2.2 mm
Afternoon
noon–6 PM
Drizzle, 66°19°40% chance · 0.07 in1.7 mm
Evening
6 PM–midnight
Drizzle, 61°16°40% chance · 0.04 in1 mm
Overnight
midnight–6 AM
Drizzle, 58°15°50% chance · 0.16 in4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly cloudy, with a high near 73.
Night: Rain showers likely. Mostly cloudy, with a low around 55.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 61°16°–73°23°
- Low, likely
- 52°11°–59°15°
- Wind
- 9 mph15 km/h, gusts 24 mph39 km/h
Sunday, Nov 1. Rain. High 66°19°, low 57°14°. Rain 0.28 in7.1 mm, 50% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 59°15°50% chance · 0.13 in3.3 mm
Afternoon
noon–6 PM
Cloudy, 66°19°30% chance · 0.01 in0.3 mm
Evening
6 PM–midnight
Partly cloudy, 60°15°20% chance
Overnight
midnight–6 AM
Cloudy, 58°14°30% chance · 0.17 in4.2 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
- 59°15°–70°21°
- Low, likely
- 52°11°–61°16°
- Wind
- 11 mph18 km/h, gusts 21 mph34 km/h
- UV peak
- 2
Monday, Nov 2. Cloudy. High 65°18°, low 58°14°. Rain 0.48 in12 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 59°15°30% chance · 0.24 in6.2 mm
Afternoon
noon–6 PM
Cloudy, 64°18°30% chance · 0.06 in1.4 mm
Evening
6 PM–midnight
Cloudy, 58°15°30% chance · 0.04 in0.9 mm
Overnight
midnight–6 AM
Cloudy, 54°12°40% chance
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
- 58°14°–70°21°
- Low, likely
- 53°12°–62°17°
- Wind
- 13 mph20 km/h, gusts 22 mph36 km/h
Tuesday, Nov 3. Drizzle. High 62°17°, low 54°12°. Rain 0.12 in3 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 55°13°40% chance · 0.02 in0.4 mm
Afternoon
noon–6 PM
Cloudy, 60°15°40% chance · 0.01 in0.3 mm
Evening
6 PM–midnight
Drizzle, 55°13°30% chance · 0.02 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 differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 55°13°–66°19°
- Low, likely
- 50°10°–58°14°
- Wind
- 17 mph28 km/h, gusts 33 mph53 km/h
- UV peak
- 3
The outlook
Today
Dry, high 76°, low 50°.
Tomorrow
Dry, high 73°, low 47°, cooling off.
Tuesday
Dry, high 73°, low 53°.
Rest of week
Highs 62–77°; chance of precipitation on Saturday, Sunday, Tuesday.
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
Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view
Rivers
NOAA river gauges within 25 mi
Below flood stage
Illinois River at Peoria
24 mi- Level
- 11.9 ft
- Flow
- 5,530 cfs
Forecast peak 11.9 ft Sun 7 PM
Reading from Sun 1:45 PM · NWS gauge page
Illinois River at Chillicothe
8.3 mi- Level
- 440 ft
Reading from Sun 1 PM · NWS gauge page
Indian Creek (IL) near Wyoming
22 mi- Level
- 9.9 ft
- Flow
- 46 cfs
Reading from Sun 1:15 PM · NWS gauge page
Sun & moon
Sun
Sunrise 7:20 AM, sunset 6:02 PM.
- Daylight
- 10 h 42 min
- Losing 2 min 35 s a day; shortest Dec 21, 1 h 29 min less
- Golden hour
- 5:24–6:19 PM
- Morning 7:03–7:58 AM
- Blue hour
- 6:19–6:30 PM
- Morning 6:52–7:03 AM; first light 6:52 AM
Stars tonight? Poor
Clouds most of the night (about 73% cover).
Moon
Full moon
100% lit · growing
- Today
- sets 6:45 AM · rises 5:28 PM
- Full moon
- Today, 11:12 PM
- New moon
- Nov 9
