Observed 1:15 PM CDT at KJOT

Lockport, IL weather

Sunny and 70°21°, 12°7° warmer than a typical Oct 24.

Forecasts agree

Now 70°21°

Sunny

Wind: 6 mph9 km/h; From the south. 58–10 mph16 km/h through 1 AM
Dew point: 49°9°; Comfortable
UV index: 3Moderate; Moderate until 3 PM
Air quality: 66Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.39 inHg1029 hPa; Falling · −0.06 inHg−1.9 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 72°22° today at 2 PM
Below 60°16° tonight after 8 PM
Low 48°9° tomorrow at 7 AM
Above 60°16° tomorrow by 10 AM

This afternoonNear 71°22° · Mostly cloudy
TonightDown to 49°9° by 5 AM · Partly cloudy
Tomorrow morningUp to 66°19° by 11 AM · Cloudy
Tomorrow afternoonUp to 75°24° by 3 PM · Mostly cloudy
Tomorrow nightDown to 51°11° by 4 AM · Mostly cloudy
Monday morningUp to 64°18° by 11 AM · Cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 1p	Partly sunny	71°22° (likely 65°18° to 71°22°)	71°22°	0%	10 mph16 km/h from S, gusts 10 mph16 km/h	44%	64%	3
Sat 2p	Cloudy	72°22° (likely 67°19° to 72°22°)	72°22°	0%	10 mph16 km/h from SSE, gusts 10 mph16 km/h	42%	80%	3
Sat 3p	Partly sunny	72°22° (likely 67°19° to 72°22°)	72°22°	0%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	41%	65%	2
Sat 4p	Cloudy	72°22° (likely 67°19° to 72°22°)	72°22°	0%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	40%	73%	1
Sat 5p	Partly sunny	70°21° (likely 65°18° to 70°21°)	70°21°	0%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	41%	60%	0
Sat 6p	Cloudy	66°19° (likely 61°16° to 66°19°)	66°19°	0%	5 mph8 km/h from SSE, gusts 8 mph12 km/h	47%	65%	0
Sat 7p	Partly cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	0%	5 mph8 km/h from SE, gusts 10 mph15 km/h	55%	45%	0
Sat 8p	Partly cloudy	59°15° (likely 57°14° to 59°15°)	59°15°	0%	5 mph8 km/h from SE, gusts 10 mph17 km/h	61%	28%	0
Sat 9p	Clear	57°14° (likely 56°13° to 58°14°)	57°14°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	64%	2%	0
Sat 10p	Clear	56°13° (likely 54°12° to 56°13°)	56°13°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	67%	2%	0
Sat 11p	Clear	54°12° (likely 53°12° to 55°13°)	55°13°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	71%	1%	0
Sun 12a	Clear	54°12° (likely 52°11° to 54°12°)	54°12°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	73%	4%	0
Sun 1a	Clear	53°12° (likely 51°11° to 54°12°)	53°12°	0%	5 mph8 km/h from SSE, gusts 10 mph17 km/h	76%	11%	0
Sun 2a	Clear	51°11° (likely 51°11° to 53°12°)	51°11°	0%	5 mph8 km/h from SSE, gusts 10 mph17 km/h	79%	42%	0
Sun 3a	Partly cloudy	50°10° (likely 50°10° to 52°11°)	50°10°	0%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	80%	48%	0
Sun 4a	Partly cloudy	50°10° (likely 49°9° to 52°11°)	49°9°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	82%	76%	0
Sun 5a	Partly cloudy	49°9° (likely 49°9° to 51°11°)	49°9°	0%	0 mph0 km/h, gusts 10 mph16 km/h	82%	81%	0
Sun 6a	Cloudy	49°9° (likely 48°9° to 51°11°)	49°9°	0%	0 mph0 km/h, gusts 9 mph15 km/h	84%	94%	0
Sun 7a	Cloudy	48°9° (likely 48°9° to 51°11°)	48°9°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	84%	98%	0
Sun 8a	Cloudy	49°9° (likely 49°9° to 51°11°)	48°9°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	85%	96%	0
Sun 9a	Cloudy	55°13° (likely 53°12° to 55°13°)	55°13°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	72%	93%	1
Sun 10a	Cloudy	61°16° (likely 56°13° to 61°16°)	61°16°	0%	5 mph8 km/h from SSW, gusts 11 mph17 km/h	62%	92%	2
Sun 11a	Cloudy	66°19° (likely 60°16° to 66°19°)	66°19°	0%	5 mph8 km/h from SSW, gusts 10 mph15 km/h	54%	75%	2
Sun 12p	Cloudy	69°21° (likely 65°18° to 69°21°)	69°21°	0%	5 mph8 km/h from SSW, gusts 10 mph15 km/h	48%	80%	3
Sun 1p	Cloudy	72°22° (likely 68°20° to 72°22°)	72°22°	0%	5 mph8 km/h from SSW, gusts 8 mph13 km/h	43%	79%	3
Sun 2p	Partly sunny	74°23° (likely 69°21° to 74°23°)	74°23°	0%	5 mph8 km/h from SSW, gusts 8 mph13 km/h	39%	69%	3
Sun 3p	Partly sunny	75°24° (likely 70°21° to 75°24°)	75°24°	0%	5 mph8 km/h from SSW, gusts 8 mph12 km/h	37%	58%	3
Sun 4p	Partly sunny	75°24° (likely 69°21° to 75°24°)	75°24°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	38%	70%	2
Sun 5p	Partly sunny	73°23° (likely 67°19° to 73°23°)	73°23°	0%	5 mph8 km/h from S, gusts 6 mph10 km/h	41%	67%	1
Sun 6p	Cloudy	68°20° (likely 63°17° to 68°20°)	68°20°	0%	5 mph8 km/h from S, gusts 2 mph4 km/h	47%	76%	0
Sun 7p	Cloudy	63°17° (likely 60°16° to 65°18°)	63°17°	0%	5 mph8 km/h from SSE, gusts 4 mph6 km/h	54%	75%	0
Sun 8p	Partly cloudy	60°16° (likely 59°15° to 63°17°)	60°16°	0%	5 mph8 km/h from SSE, gusts 5 mph9 km/h	59%	69%	0
Sun 9p	Cloudy	59°15° (likely 57°14° to 60°16°)	59°15°	0%	5 mph8 km/h from SSE, gusts 8 mph12 km/h	62%	77%	0
Sun 10p	Cloudy	57°14° (likely 56°13° to 59°15°)	57°14°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	64%	77%	0
Sun 11p	Cloudy	56°13° (likely 55°13° to 59°15°)	56°13°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	67%	78%	0
Mon 12a	Cloudy	55°13° (likely 54°12° to 58°14°)	55°13°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	69%	78%	0
Mon 1a	Partly cloudy	54°12° (likely 53°12° to 57°14°)	54°12°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	72%	73%	0
Mon 2a	Partly cloudy	52°11° (likely 52°11° to 56°13°)	52°11°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	76%	69%	0
Mon 3a	Partly cloudy	52°11° (likely 51°11° to 55°13°)	52°11°	0%	5 mph8 km/h from S, gusts 6 mph10 km/h	78%	73%	0
Mon 4a	Partly cloudy	51°11° (likely 50°10° to 53°12°)	51°11°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	81%	71%	0
Mon 5a	Partly cloudy	51°11° (likely 49°9° to 53°12°)	50°10°	0%	5 mph8 km/h from ESE, gusts 7 mph11 km/h	82%	76%	0
Mon 6a	Partly cloudy	50°10° (likely 49°9° to 54°12°)	49°9°	0%	5 mph8 km/h from ENE, gusts 7 mph12 km/h	84%	84%	0
Mon 7a	Partly sunny	50°10° (likely 49°9° to 54°12°)	48°9°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	87%	86%	0
Mon 8a	Partly sunny	51°11° (likely 49°9° to 55°13°)	50°10°	0%	5 mph8 km/h from NE, gusts 4 mph6 km/h	92%	89%	0
Mon 9a	Partly sunny	55°13° (likely 55°13° to 57°14°)	55°13°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	83%	91%	1
Mon 10a	Partly sunny	61°16° (likely 58°14° to 63°17°)	61°16°	0%	5 mph8 km/h from NE, gusts 10 mph17 km/h	72%	90%	1
Mon 11a	Partly sunny	64°18° (likely 61°16° to 66°19°)	64°18°	0%	5 mph8 km/h from NE, gusts 11 mph17 km/h	65%	86%	2
Mon 12p	Partly sunny	67°19° (likely 62°17° to 68°20°)	67°19°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	62%	80%	3

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 72°22°, low 48°9°. Typical 60°16° / 40°4°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Partly sunny, 72°22°
  Dry
2. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. South southeast wind 5 to 10 mph.
Tonight: Partly cloudy, with a low around 48. South southeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–72°22°
Low, likely
46°8°–50°10°
Typical high / low
60°16° / 40°4°
Wind
8 mph14 km/h, gusts 19 mph30 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 75°24°, low 50°10°. Typical 60°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 51°11°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 75, with temperatures falling to around 73 in the afternoon. South southwest wind 0 to 5 mph.
Night: Partly cloudy, with a low around 50. South southeast wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–75°24°
Low, likely
48°9°–50°10°
Typical high / low
60°16° / 40°4°
Wind
7 mph11 km/h, gusts 16 mph25 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 68°20°, low 48°9°. Typical 59°15° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 68. Northeast wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–70°21°
Low, likely
48°9°–52°11°
Typical high / low
59°15° / 40°4°
Wind
10 mph16 km/h, gusts 18 mph29 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 71°22°, low 54°12°. Typical 58°14° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 71.
Night: Mostly cloudy, with a low around 54.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
49°9°–54°12°
Typical high / low
58°14° / 39°4°
Wind
9 mph14 km/h, gusts 22 mph35 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 75°24°, low 56°13°. Typical 58°14° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 75.
Night: Mostly clear, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–75°24°
Low, likely
52°11°–56°13°
Typical high / low
58°14° / 39°4°
Wind
12 mph19 km/h, gusts 23 mph37 km/h
UV peak
4
Thursday, Oct 29. Showers. High 75°24°, low 56°13°. Typical 58°14° / 38°3°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°15°
  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 75.
Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
55°13°–61°16°
Typical high / low
58°14° / 38°3°
Wind
12 mph19 km/h, gusts 27 mph44 km/h
UV peak
3
Friday, Oct 30. Mostly cloudy. High 75°24°, low 56°13°. Typical 57°14° / 38°3°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 75.
Night: Mostly cloudy, with a low around 56.
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 75°24°).
High, likely
70°21°–76°24°
Low, likely
55°13°–59°15°
Typical high / low
57°14° / 38°3°
Wind
15 mph24 km/h, gusts 27 mph43 km/h
UV peak
3
Saturday, Oct 31. Rain. High 71°22°, low 59°15°. Typical 56°13° / 38°3°. Rain 0.11 in2.8 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 60°16°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  30% chance
3. Evening
  6 PM–midnight
  Rain, 67°19°
  40% chance · 0.05 in1.3 mm
4. Overnight
  midnight–6 AM
  Rain, 60°16°
  50% chance · 0.15 in3.8 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
69°21°–73°23°
Low, likely
54°12°–62°17°
Typical high / low
56°13° / 38°3°
Wind
16 mph26 km/h, gusts 26 mph42 km/h
UV peak
2
Sunday, Nov 1. Rain. High 66°19°, low 58°14°. Typical 56°13° / 37°3°. Rain 0.57 in14 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 62°16°
  50% chance · 0.16 in4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  40% chance · 0.15 in3.9 mm
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  40% chance · 0.13 in3.2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 50°10°
  40% chance · 0.01 in0.3 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
65°18°–69°21°
Low, likely
56°13°–61°16°
Typical high / low
56°13° / 37°3°
Wind
18 mph28 km/h, gusts 35 mph56 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 61°16°, low 48°9°. Typical 56°13° / 37°3°. Rain 0.29 in7.4 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  40% chance
2. Afternoon
  noon–6 PM
  Cloudy, 53°12°
  40% chance · 0.19 in4.9 mm
3. Evening
  6 PM–midnight
  Drizzle, 50°10°
  40% chance · 0.19 in4.7 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
58°14°–67°19°
Low, likely
37°3°–62°17°
Typical high / low
56°13° / 37°3°
Wind
17 mph27 km/h, gusts 39 mph63 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 72°, low 48°.
Tomorrow
Dry, high 75°, low 50°, warming up.
Monday
Dry, high 68°, low 48°, cooling off.
Rest of week
Highs 61–75°; chance of precipitation on Saturday, Sunday, Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LOT) (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

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Chicago Sanitary and Ship Canal at Lockport Lock (tailwater)

3.0 mi

Below flood stage

Level: 539 ft

Reading from Sat 12 PM · NWS gauge page

Long Run near Lemont

3.9 mi

Below flood stage

Level: 0.9 ft
Flow: 6 cfs

Reading from Sat 12 PM · NWS gauge page

Des Plaines River at Joliet

4.7 mi

Below flood stage

Level: 539 ft

Reading from Sat 12:15 PM · NWS gauge page

Des Plaines River near Lemont

5.6 mi

Below flood stage

Level: 5.7 ft
Flow: 428 cfs

Reading from Sat 12 PM · NWS gauge page

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.

This week 15Typical 113

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 49°F).

Open the windows?

Today, 2:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

ROMEOVILLE WFO · official normals 1991–2020 · records 1992–2026

Oct 24, today vs a typical year

Today’s expected high is 12°7° warmer than typical.

Last 7 days vs normal

On average 5°3° warmer than normal (daily mean temperature).

−2°−1°SunOct 18
+1°MonOct 19
+5°+3°TueOct 20
+6°+3°WedOct 21
+9°+5°ThuOct 22
+10°+6°FriOct 23
—SatOct 24

Lockport weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 43 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 33 min less
Golden hour: 5:18–6:14 PM; Morning 6:57–7:53 AM
Blue hour: 6:14–6:25 PM; Morning 6:46–6:57 AM; first light 6:46 AM

Stars tonight? Fair

Mostly clear 9 PM–2 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:27 AM · rises 4:55 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Lockport. The highest point on the skyline is about 2,100 ft, 18 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Lockport, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Chicago Sanitary and Ship Canal at Lockport Lock (tailwater)

Long Run near Lemont

Des Plaines River at Joliet

Des Plaines River near Lemont

For your home

Heating this week

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon