Observed 5:55 AM CDT at KIKK

Herscher, IL weather

Foggy and 43°6°, 12°7° warmer than a typical Oct 23.

Forecasts agree

Now 43°6°

Fog

Wind: Calm; Up to 5 mph8 km/h through 7 PM
Visibility (notable): 0.2 mi0.3 km; Dense fog
Dew point: 42°5°; Comfortable
Humidity: 95%; Air 43°6°, dew point 42°5° · fog or dew likely
UV index: 0Low; Moderate 11 AM–3 PM · peak 4
Air quality: 70Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.32 inHg1027 hPa; Rising slowly · +0.02 inHg+0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (44°7° then, 43°6° now)

Good hours for

Above 60°16° today by 10 AM
High 74°23° today at 2 PM
Below 60°16° tonight after 8 PM

This morningUp to 66°19° by 11 AM · Clear
This afternoonUp to 74°23° by 2 PM · Clear
TonightDown to 47°8° by 4 AM · Partly cloudy
Tomorrow morningUp to 65°18° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 74°23° by 3 PM · Mostly cloudy
Tomorrow nightDown to 48°9° by 5 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 7a	Sunny	46°8° (likely 43°6° to 47°8°)	46°8°	0%	0 mph0 km/h, gusts 8 mph13 km/h	92%	2%	0
Fri 8a	Sunny	48°9° (likely 44°7° to 49°9°)	47°8°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	86%	2%	0
Fri 9a	Sunny	55°13° (likely 51°11° to 55°13°)	55°13°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	68%	0%	1
Fri 10a	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	61%	0%	1
Fri 11a	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	51%	0%	3
Fri 12p	Sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	43%	0%	4
Fri 1p	Sunny	72°22° (likely 70°21° to 72°22°)	72°22°	0%	5 mph8 km/h from SSE, gusts 8 mph13 km/h	38%	0%	4
Fri 2p	Sunny	74°23° (likely 71°22° to 74°23°)	74°23°	0%	5 mph8 km/h from SE, gusts 7 mph12 km/h	35%	2%	3
Fri 3p	Sunny	74°23° (likely 72°22° to 74°23°)	74°23°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	34%	0%	2
Fri 4p	Sunny	74°23° (likely 71°22° to 74°23°)	74°23°	0%	5 mph8 km/h from ESE, gusts 7 mph12 km/h	34%	5%	1
Fri 5p	Mostly sunny	72°22° (likely 68°20° to 72°22°)	72°22°	0%	5 mph8 km/h from ESE, gusts 9 mph15 km/h	37%	7%	0
Fri 6p	Clear	67°19° (likely 63°17° to 67°19°)	67°19°	0%	5 mph8 km/h from ESE, gusts 9 mph15 km/h	44%	12%	0
Fri 7p	Mostly clear	61°16° (likely 60°16° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 11 mph18 km/h	55%	57%	0
Fri 8p	Mostly clear	58°14° (likely 57°14° to 60°16°)	58°14°	0%	5 mph8 km/h from SE, gusts 13 mph20 km/h	62%	57%	0
Fri 9p	Mostly clear	56°13° (likely 55°13° to 58°14°)	56°13°	0%	5 mph8 km/h from SE, gusts 13 mph21 km/h	66%	54%	0
Fri 10p	Mostly clear	54°12° (likely 54°12° to 57°14°)	54°12°	0%	5 mph8 km/h from SE, gusts 12 mph19 km/h	71%	53%	0
Fri 11p	Mostly clear	52°11° (likely 52°11° to 55°13°)	52°11°	0%	5 mph8 km/h from SE, gusts 11 mph17 km/h	74%	16%	0
Sat 12a	Clear	51°11° (likely 50°10° to 54°12°)	51°11°	0%	5 mph8 km/h from SE, gusts 13 mph20 km/h	76%	11%	0
Sat 1a	Clear	50°10° (likely 49°9° to 53°12°)	50°10°	0%	5 mph8 km/h from SE, gusts 13 mph20 km/h	81%	14%	0
Sat 2a	Mostly clear	49°9° (likely 47°8° to 52°11°)	49°9°	0%	0 mph0 km/h, gusts 13 mph21 km/h	85%	57%	0
Sat 3a	Cloudy	48°9° (likely 46°8° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 13 mph21 km/h	88%	66%	0
Sat 4a	Partly cloudy	47°8° (likely 45°7° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 12 mph20 km/h	89%	78%	0
Sat 5a	Cloudy	47°8° (likely 44°7° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 11 mph17 km/h	90%	84%	0
Sat 6a	Partly cloudy	46°8° (likely 44°7° to 49°9°)	47°8°	0%	0 mph0 km/h, gusts 10 mph17 km/h	91%	73%	0
Sat 7a	Cloudy	46°8° (likely 44°7° to 49°9°)	46°8°	0%	0 mph0 km/h, gusts 10 mph17 km/h	93%	67%	0
Sat 8a	Cloudy	48°9° (likely 45°7° to 50°10°)	47°8°	0%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	92%	75%	0
Sat 9a	Cloudy	55°13° (likely 51°11° to 55°13°)	55°13°	0%	5 mph8 km/h from SSE, gusts 12 mph20 km/h	80%	83%	1
Sat 10a	Cloudy	61°16° (likely 56°13° to 61°16°)	61°16°	0%	5 mph8 km/h from SSE, gusts 12 mph20 km/h	68%	75%	2
Sat 11a	Cloudy	65°18° (likely 62°17° to 65°18°)	65°18°	0%	5 mph8 km/h from SSE, gusts 12 mph20 km/h	57%	84%	3
Sat 12p	Cloudy	69°21° (likely 66°19° to 69°21°)	69°21°	0%	5 mph8 km/h from SSE, gusts 12 mph20 km/h	50%	89%	3
Sat 1p	Cloudy	72°22° (likely 69°21° to 72°22°)	72°22°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	44%	81%	3
Sat 2p	Cloudy	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	39%	80%	3
Sat 3p	Cloudy	74°23° (likely 71°22° to 74°23°)	74°23°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	38%	80%	3
Sat 4p	Cloudy	74°23° (likely 70°21° to 74°23°)	74°23°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	37%	80%	2
Sat 5p	Cloudy	72°22° (likely 68°20° to 72°22°)	72°22°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	40%	74%	1
Sat 6p	Cloudy	68°20° (likely 63°17° to 68°20°)	68°20°	0%	0 mph0 km/h, gusts 9 mph14 km/h	47%	65%	0
Sat 7p	Mostly cloudy	62°17° (likely 59°15° to 62°17°)	63°17°	0%	0 mph0 km/h, gusts 10 mph16 km/h	55%	48%	0
Sat 8p	Partly cloudy	59°15° (likely 57°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 12 mph19 km/h	62%	41%	0
Sat 9p	Partly cloudy	57°14° (likely 55°13° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 12 mph19 km/h	66%	56%	0
Sat 10p	Partly cloudy	55°13° (likely 53°12° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 11 mph18 km/h	69%	44%	0
Sat 11p	Cloudy	54°12° (likely 52°11° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 12 mph19 km/h	72%	55%	0
Sun 12a	Partly cloudy	53°12° (likely 51°11° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 12 mph19 km/h	75%	46%	0
Sun 1a	Partly cloudy	52°11° (likely 50°10° to 56°13°)	52°11°	0%	0 mph0 km/h, gusts 12 mph19 km/h	77%	51%	0
Sun 2a	Partly cloudy	52°11° (likely 48°9° to 56°13°)	52°11°	0%	0 mph0 km/h, gusts 10 mph15 km/h	78%	51%	0
Sun 3a	Partly cloudy	51°11° (likely 48°9° to 56°13°)	51°11°	0%	0 mph0 km/h, gusts 8 mph13 km/h	79%	54%	0
Sun 4a	Partly cloudy	50°10° (likely 47°8° to 55°13°)	50°10°	0%	0 mph0 km/h, gusts 8 mph13 km/h	81%	59%	0
Sun 5a	Partly cloudy	48°9° (likely 46°8° to 55°13°)	48°9°	0%	0 mph0 km/h, gusts 8 mph13 km/h	84%	47%	0
Sun 6a	Partly cloudy	47°8° (likely 45°7° to 55°13°)	47°8°	0%	0 mph0 km/h, gusts 7 mph11 km/h	87%	54%	0

Days ahead

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

Today, Oct 23. Mostly sunny. High 74°23°, low 46°8°. Typical 62°17° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Official NWS forecast
Today: Sunny. High near 74, with temperatures falling to around 72 in the afternoon. Southeast wind 0 to 5 mph.
Tonight: Mostly clear, with a low around 46. Southeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–74°23°
Low, likely
43°6°–46°8°
Typical high / low
62°17° / 41°5°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
4
Tomorrow, Oct 24. Cloudy. High 74°23°, low 47°8°. Typical 61°16° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 48°9°
  Dry
Official NWS forecast
Day: Partly sunny. High near 74, with temperatures falling to around 72 in the afternoon. South southeast wind 0 to 5 mph.
Night: Partly cloudy, with a low around 47. South southeast wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
71°22°–74°23°
Low, likely
44°7°–49°9°
Typical high / low
61°16° / 40°4°
Wind
10 mph16 km/h, gusts 19 mph31 km/h
UV peak
3
Sunday, Oct 25. Partly sunny. High 77°25°, low 48°9°. Typical 61°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°24°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 77. South wind around 0 mph.
Night: Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–77°25°
Low, likely
45°7°–53°12°
Typical high / low
61°16° / 40°4°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 74°23°, low 48°9°. Typical 60°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 74.
Night: Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–75°24°
Low, likely
48°9°–54°12°
Typical high / low
60°16° / 40°4°
Wind
11 mph17 km/h, gusts 19 mph30 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 70°21°, low 47°8°. Typical 60°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. 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 70.
Night: Mostly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–74°23°
Low, likely
47°8°–52°11°
Typical high / low
60°16° / 39°4°
Wind
11 mph17 km/h, gusts 28 mph44 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 73°23°, low 49°9°. Typical 59°15° / 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
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 73.
Night: Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–75°24°
Low, likely
49°9°–56°13°
Typical high / low
59°15° / 39°4°
Wind
14 mph23 km/h, gusts 24 mph39 km/h
UV peak
4
Thursday, Oct 29. Showers. High 72°22°, low 46°8°. Typical 59°15° / 39°4°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°15°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°6°
  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 72.
Night: A chance of rain showers. Mostly cloudy, with a low around 46.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–73°23°
Low, likely
45°7°–54°12°
Typical high / low
59°15° / 39°4°
Wind
15 mph24 km/h, gusts 35 mph57 km/h
UV peak
3
Friday, Oct 30. Sunny. High 62°17°, low 44°7°. Typical 58°14° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 40°5°
  Dry
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°–70°21°
Low, likely
38°3°–51°11°
Typical high / low
58°14° / 38°3°
Wind
12 mph19 km/h, gusts 25 mph41 km/h
Saturday, Oct 31. Drizzle. High 62°17°, low 44°7°. Typical 58°14° / 38°3°. Rain 0.08 in2 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 60°15°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  30% 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
56°13°–66°19°
Low, likely
34°1°–55°13°
Typical high / low
58°14° / 38°3°
Wind
12 mph20 km/h, gusts 21 mph34 km/h
UV peak
1
Sunday, Nov 1. Cloudy. High 64°18°, low 54°12°. Typical 57°14° / 38°3°. Rain 0.18 in4.6 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  30% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  30% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  20% 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 agreeIndependent forecasts are close; the range is narrow.
High, likely
64°18°
Low, likely
53°12°–56°13°
Typical high / low
57°14° / 38°3°
Wind
14 mph23 km/h, gusts 27 mph44 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 74°, low 46°.
Tomorrow
Dry, high 74°, low 47°.
Sunday
Dry, high 77°, low 48°, warming up.
Rest of week
Mostly dry, highs 62–74°.

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

Iroquois River near Chebanse

15 mi

Below flood stage

Level: 2.8 ft
Flow: 213 cfs

Reading from Fri 4:45 AM · NWS gauge page

Kankakee River near Wilmington

21 mi

Below flood stage

Level: 1.5 ft
Flow: 2,090 cfs

Reading from Fri 5:45 AM · NWS gauge page

Mazon River near Coal City

21 mi

Below flood stage

Level: 1.3 ft
Flow: 26 cfs

Reading from Fri 4:45 AM · NWS gauge page

Kankakee River at Momence

24 mi

Below flood stage

Level: 1.9 ft
Flow: 1,470 cfs

Reading from Fri 5:45 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 85% less heating than a typical week.

This week 16Typical 105

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 5
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 42°F).

Open the windows?

Today, 10:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

KANKAKEE WWTP · official normals 1991–2020 · records 1887–2026

Oct 23, today vs a typical year

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

Last 7 days vs normal

On average 1°0° warmer than normal (daily mean temperature).

+1°SatOct 17
−5°−3°SunOct 18
−2°−1°MonOct 19
+3°+2°TueOct 20
+6°+3°WedOct 21
—ThuOct 22
—FriOct 23

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

Sun & moon

Sun

Daylight: 10 h 47 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 34 min less
Golden hour: 5:21–6:17 PM; Morning 6:55–7:51 AM
Blue hour: 6:17–6:27 PM; Morning 6:44–6:55 AM; first light 6:44 AM

Stars tonight? Fair

Mostly clear 11 PM–2 AM, but the moon is 95% lit and up.

Moon

Waxing gibbous

91% lit · growing

Today: sets 4:18 AM · rises 4:32 PM
Full moon: Oct 25
New moon: Nov 9

Looking northwest from Herscher. The highest point on the skyline is about 2,000 ft, 24 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Herscher, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Iroquois River near Chebanse

Kankakee River near Wilmington

Mazon River near Coal City

Kankakee River at Momence

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon