Observed 5:45 AM CDT at KJVL

Chemung, IL weather

Clear and 45°7°, 15°8° warmer than a typical Oct 23.

Forecasts agree

Now 45°7°

Clear

Wind: Calm; Up to 5 mph8 km/h through 6 PM
Dew point: 45°7°; Comfortable
Humidity: 100%; Air 45°7°, dew point 45°7° · fog or dew likely
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Air quality: 74Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.29 inHg1026 hPa; Rising slowly · +0.02 inHg+0.7 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 (43°6° then, 45°7° now)

Good hours for

Above 60°16° today by 10 AM
High 72°22° today at 2 PM
Below 60°16° tonight after 8 PM

This morningUp to 65°18° by 11 AM · Clear
This afternoonNear 70°21° · Clear
TonightDown to 49°9° by 5 AM · Mostly cloudy
Tomorrow morningUp to 64°18° by 11 AM · Cloudy
Tomorrow afternoonUp to 71°22° by 4 PM · Mostly cloudy
Tomorrow nightDown to 51°11° by 5 AM · Mostly 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 6a	Clear	46°8° (likely 43°6° to 49°9°)	46°8°	0%	0 mph0 km/h, gusts 8 mph12 km/h	94%	9%	0
Fri 7a	Sunny	48°9° (likely 43°6° to 49°9°)	48°9°	0%	0 mph0 km/h, gusts 8 mph12 km/h	91%	13%	0
Fri 8a	Sunny	50°10° (likely 45°7° to 50°10°)	50°10°	0%	0 mph0 km/h, gusts 7 mph12 km/h	88%	14%	0
Fri 9a	Sunny	55°13° (likely 50°10° to 55°13°)	55°13°	0%	5 mph8 km/h from SSE, gusts 7 mph12 km/h	77%	9%	1
Fri 10a	Sunny	61°16° (likely 56°13° to 61°16°)	61°16°	0%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	69%	0%	2
Fri 11a	Sunny	65°18° (likely 60°16° to 65°18°)	65°18°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	59%	2%	3
Fri 12p	Sunny	69°21° (likely 64°18° to 69°21°)	69°21°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	51%	5%	4
Fri 1p	Sunny	71°22° (likely 67°19° to 71°22°)	71°22°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	47%	7%	4
Fri 2p	Sunny	72°22° (likely 68°20° to 72°22°)	72°22°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	45%	6%	4
Fri 3p	Sunny	72°22° (likely 68°20° to 72°22°)	72°22°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	44%	5%	3
Fri 4p	Sunny	72°22° (likely 68°20° to 72°22°)	72°22°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	44%	6%	2
Fri 5p	Mostly sunny	70°21° (likely 66°19° to 70°21°)	70°21°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	47%	50%	1
Fri 6p	Cloudy	66°19° (likely 61°16° to 66°19°)	66°19°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	56%	57%	0
Fri 7p	Cloudy	61°16° (likely 57°14° to 61°16°)	61°16°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	65%	60%	0
Fri 8p	Mostly clear	58°14° (likely 54°12° to 58°14°)	58°14°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	73%	33%	0
Fri 9p	Partly cloudy	56°13° (likely 52°11° to 56°13°)	56°13°	0%	5 mph8 km/h from SE, gusts 12 mph19 km/h	76%	40%	0
Fri 10p	Partly cloudy	55°13° (likely 51°11° to 56°13°)	55°13°	0%	5 mph8 km/h from SE, gusts 12 mph20 km/h	79%	60%	0
Fri 11p	Partly cloudy	54°12° (likely 52°11° to 55°13°)	54°12°	0%	5 mph8 km/h from SE, gusts 12 mph20 km/h	79%	56%	0
Sat 12a	Mostly clear	53°12° (likely 51°11° to 55°13°)	53°12°	0%	5 mph8 km/h from SE, gusts 12 mph20 km/h	79%	64%	0
Sat 1a	Cloudy	53°12° (likely 51°11° to 55°13°)	53°12°	0%	5 mph8 km/h from SSE, gusts 13 mph21 km/h	78%	75%	0
Sat 2a	Cloudy	52°11° (likely 50°10° to 54°12°)	52°11°	0%	5 mph8 km/h from SSE, gusts 12 mph20 km/h	79%	78%	0
Sat 3a	Cloudy	51°11° (likely 50°10° to 53°12°)	51°11°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	80%	85%	0
Sat 4a	Cloudy	50°10° (likely 48°9° to 53°12°)	49°9°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	80%	96%	0
Sat 5a	Cloudy	49°9° (likely 48°9° to 53°12°)	49°9°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	82%	91%	0
Sat 6a	Cloudy	49°9° (likely 49°9° to 53°12°)	48°9°	0%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	83%	87%	0
Sat 7a	Cloudy	48°9° (likely 48°9° to 53°12°)	47°8°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	84%	97%	0
Sat 8a	Cloudy	50°10° (likely 48°9° to 54°12°)	48°9°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	83%	87%	0
Sat 9a	Cloudy	55°13° (likely 53°12° to 56°13°)	55°13°	0%	5 mph8 km/h from S, gusts 15 mph23 km/h	79%	84%	1
Sat 10a	Cloudy	59°15° (likely 58°14° to 60°16°)	59°15°	0%	5 mph8 km/h from S, gusts 17 mph28 km/h	70%	80%	1
Sat 11a	Cloudy	64°18° (likely 61°16° to 64°18°)	64°18°	0%	10 mph16 km/h from S, gusts 17 mph28 km/h	62%	78%	2
Sat 12p	Cloudy	67°19° (likely 64°18° to 67°19°)	67°19°	0%	10 mph16 km/h from S, gusts 18 mph29 km/h	54%	77%	3
Sat 1p	Cloudy	69°21° (likely 65°18° to 69°21°)	69°21°	0%	10 mph16 km/h from S, gusts 17 mph28 km/h	51%	85%	3
Sat 2p	Cloudy	70°21° (likely 67°19° to 70°21°)	70°21°	0%	10 mph16 km/h from S, gusts 18 mph29 km/h	48%	80%	3
Sat 3p	Cloudy	70°21° (likely 67°19° to 70°21°)	71°22°	0%	10 mph16 km/h from S, gusts 18 mph28 km/h	46%	75%	3
Sat 4p	Cloudy	71°22° (likely 66°19° to 71°22°)	71°22°	0%	10 mph16 km/h from S, gusts 17 mph27 km/h	46%	71%	2
Sat 5p	Cloudy	70°21° (likely 65°18° to 70°21°)	70°21°	0%	10 mph16 km/h from S, gusts 17 mph27 km/h	47%	69%	1
Sat 6p	Mostly cloudy	66°19° (likely 61°16° to 66°19°)	66°19°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	53%	63%	0
Sat 7p	Partly cloudy	62°17° (likely 58°14° to 62°17°)	62°17°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	61%	68%	0
Sat 8p	Mostly clear	60°16° (likely 56°13° to 61°16°)	60°16°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	65%	69%	0
Sat 9p	Partly cloudy	58°14° (likely 55°13° to 59°15°)	58°14°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	69%	70%	0
Sat 10p	Partly cloudy	57°14° (likely 54°12° to 59°15°)	57°14°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	70%	71%	0
Sat 11p	Cloudy	56°13° (likely 53°12° to 57°14°)	56°13°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	71%	65%	0
Sun 12a	Cloudy	55°13° (likely 53°12° to 56°13°)	55°13°	0%	5 mph8 km/h from S, gusts 13 mph20 km/h	72%	63%	0
Sun 1a	Cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	0%	5 mph8 km/h from S, gusts 13 mph21 km/h	72%	76%	0
Sun 2a	Cloudy	54°12° (likely 52°11° to 55°13°)	54°12°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	72%	77%	0
Sun 3a	Partly cloudy	53°12° (likely 51°11° to 54°12°)	53°12°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	73%	64%	0
Sun 4a	Cloudy	52°11° (likely 51°11° to 54°12°)	52°11°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	75%	79%	0
Sun 5a	Cloudy	51°11° (likely 50°10° to 54°12°)	51°11°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	77%	77%	0

Days ahead

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

Today, Oct 23. Fog. High 72°22°, low 48°9°. Typical 57°14° / 36°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Official NWS forecast
Today: Patchy fog before 8am. Sunny. High near 72, with temperatures falling to around 70 in the afternoon. South southeast wind 0 to 5 mph, with gusts as high as 15 mph.
Tonight: Partly cloudy, with a low around 48. Southeast wind around 5 mph, with gusts as high as 10 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–72°22°
Low, likely
43°6°–48°9°
Typical high / low
57°14° / 36°2°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
4
Tomorrow, Oct 24. Cloudy. High 71°22°, low 50°10°. Typical 56°13° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 51°11°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 71. South wind 5 to 10 mph, with gusts as high as 20 mph.
Night: Partly cloudy, with a low around 50. South wind around 5 mph, with gusts as high as 15 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
48°9°–52°11°
Typical high / low
56°13° / 36°2°
Wind
13 mph21 km/h, gusts 20 mph32 km/h
UV peak
3
Sunday, Oct 25. Cloudy. High 73°23°, low 49°9°. Typical 56°13° / 36°2°. 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
  Mostly clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 73. Southwest wind 0 to 5 mph.
Night: Mostly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–73°23°
Low, likely
49°9°–54°12°
Typical high / low
56°13° / 36°2°
Wind
10 mph16 km/h, gusts 19 mph31 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 66°19°, low 46°8°. Typical 55°13° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 66.
Night: Mostly cloudy, with a low around 46.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–69°21°
Low, likely
46°8°–49°9°
Typical high / low
55°13° / 35°2°
Wind
14 mph22 km/h, gusts 27 mph43 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 63°17°, low 47°8°. Typical 55°13° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 63.
Night: Mostly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–67°19°
Low, likely
47°8°–53°12°
Typical high / low
55°13° / 35°2°
Wind
12 mph19 km/h, gusts 28 mph46 km/h
UV peak
2
Wednesday, Oct 28. Cloudy. High 68°20°, low 48°9°. Typical 54°12° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 68.
Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–71°22°
Low, likely
48°9°–54°12°
Typical high / low
54°12° / 34°1°
Wind
16 mph26 km/h, gusts 27 mph43 km/h
UV peak
3
Thursday, Oct 29. Showers. High 66°19°, low 44°7°. Typical 54°12° / 34°1°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Mostly sunny, with a high near 66.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–67°19°
Low, likely
43°6°–49°9°
Typical high / low
54°12° / 34°1°
Wind
16 mph26 km/h, gusts 39 mph63 km/h
UV peak
2
Friday, Oct 30. Cloudy. High 57°14°, low 40°4°. Typical 53°12° / 34°1°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  20% 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–65°18°
Low, likely
36°2°–49°9°
Typical high / low
53°12° / 34°1°
Wind
13 mph21 km/h, gusts 30 mph47 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 58°14°, low 42°6°. Typical 53°12° / 34°1°. Rain 0.1 in2.5 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  30% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  40% chance
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  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
54°12°–64°18°
Low, likely
32°0°–54°12°
Typical high / low
53°12° / 34°1°
Wind
13 mph21 km/h, gusts 23 mph37 km/h
UV peak
1
Sunday, Nov 1. Cloudy. High 63°17°, low 50°10°. Typical 52°11° / 33°1°. Rain 0.09 in2.3 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 62°16°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 52°11°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–65°18°
Low, likely
47°8°–52°11°
Typical high / low
52°11° / 33°1°
Wind
14 mph22 km/h, gusts 25 mph40 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 72°, low 48°.
Tomorrow
Dry, high 71°, low 50°.
Sunday
Dry, high 73°, low 49°.
Rest of week
Mostly dry, highs 57–68°.

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

Kishwaukee River at Marengo

11 mi

Below flood stage

Level: 7.6 ft
Flow: 83 cfs

Reading from Fri 5:15 AM · NWS gauge page

Kishwaukee River at Belvidere

15 mi

Below flood stage

Level: 1.8 ft
Flow: 289 cfs

Reading from Fri 5:30 AM · NWS gauge page

Turtle Creek near Clinton

15 mi

Below flood stage

Level: 3.9 ft
Flow: 136 cfs

Reading from Fri 5 AM · NWS gauge page

Nippersink Creek at Wonder Lake

15 mi

Below flood stage

Level: 5.0 ft
Flow: 43 cfs

Reading from Fri 4:45 AM · NWS gauge page

For your home

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

Heating this week

About 90% less heating than a typical week.

This week 14Typical 139

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 10:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

Clinton Wwtp · official normals 1991–2020 · records 2000–2026

Oct 23, today vs a typical year

Today’s expected high is 15°8° warmer than typical.

Last 7 days vs normal

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

−6°−4°SatOct 17
−6°−3°SunOct 18
+2°+1°MonOct 19
+5°+3°TueOct 20
+7°+4°WedOct 21
—ThuOct 22
—FriOct 23

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

Sun & moon

Sun

Daylight: 10 h 43 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 39 min less
Golden hour: 5:21–6:17 PM; Morning 6:59–7:56 AM
Blue hour: 6:17–6:28 PM; Morning 6:48–6:59 AM; first light 6:48 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

91% lit · growing

Today: sets 4:20 AM · rises 4:34 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Chemung. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Chemung, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Kishwaukee River at Marengo

Kishwaukee River at Belvidere

Turtle Creek near Clinton

Nippersink Creek at Wonder Lake

For your home

Heating this week

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Unknown

Moon