Observed 11:30 AM CDT at KSQI

Harmon, IL weather

Sunny and 66°19°, 14°8° warmer than a typical Oct 24.

Mostly agree

Now 66°19°

Sunny

Wind: 6 mph9 km/h; From the southeast. 58–10 mph16 km/h through 11 PM
Dew point: 46°8°; Comfortable
UV index: 2Low; Moderate 12–3 PM · peak 3
Pressure: 30.39 inHg1029 hPa; Falling slowly · −0.03 inHg−0.9 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

2°1° cooler than this time yesterday (68°20° then, 66°19° now)

Good hours for

High 73°23° today at 3 PM
Below 60°16° tonight after 9 PM
Low 50°10° tomorrow at 6 AM
Above 60°16° tomorrow by 10 AM

This afternoonUp to 73°23° by 3 PM · Partly cloudy
TonightDown to 51°11° by 4 AM · Partly cloudy
Tomorrow morningUp to 66°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 59°15° by 10 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
Sat 11a	Cloudy	65°18° (likely 61°16° to 65°18°)	65°18°	5%	10 mph16 km/h from S, gusts 17 mph27 km/h	57%	73%	2
Sat 12p	Mostly cloudy	68°20° (likely 65°18° to 68°20°)	68°20°	5%	10 mph16 km/h from S, gusts 16 mph26 km/h	50%	71%	3
Sat 1p	Sunny	71°22° (likely 68°20° to 71°22°)	71°22°	0%	10 mph16 km/h from S, gusts 14 mph23 km/h	44%	43%	3
Sat 2p	Sunny	72°22° (likely 69°21° to 72°22°)	72°22°	0%	10 mph16 km/h from S, gusts 13 mph21 km/h	42%	39%	3
Sat 3p	Sunny	73°23° (likely 69°21° to 73°23°)	73°23°	0%	10 mph16 km/h from S, gusts 13 mph20 km/h	40%	36%	2
Sat 4p	Sunny	73°23° (likely 69°21° to 73°23°)	73°23°	0%	10 mph16 km/h from SSE, gusts 13 mph21 km/h	41%	31%	1
Sat 5p	Sunny	72°22° (likely 67°19° to 72°22°)	72°22°	0%	5 mph8 km/h from SSE, gusts 14 mph22 km/h	43%	26%	0
Sat 6p	Partly cloudy	68°20° (likely 63°17° to 68°20°)	68°20°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	48%	20%	0
Sat 7p	Clear	64°18° (likely 60°16° to 64°18°)	64°18°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	56%	16%	0
Sat 8p	Clear	60°16° (likely 57°14° to 60°16°)	60°16°	0%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	63%	26%	0
Sat 9p	Partly cloudy	58°14° (likely 56°13° to 59°15°)	58°14°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	68%	23%	0
Sat 10p	Partly cloudy	57°14° (likely 54°12° to 57°14°)	57°14°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	72%	27%	0
Sat 11p	Partly cloudy	56°13° (likely 54°12° to 56°13°)	56°13°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	74%	52%	0
Sun 12a	Cloudy	54°12° (likely 52°11° to 55°13°)	54°12°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	76%	64%	0
Sun 1a	Partly cloudy	54°12° (likely 52°11° to 54°12°)	54°12°	0%	5 mph8 km/h from SSE, gusts 10 mph17 km/h	78%	57%	0
Sun 2a	Mostly clear	53°12° (likely 51°11° to 54°12°)	53°12°	0%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	78%	75%	0
Sun 3a	Cloudy	52°11° (likely 51°11° to 53°12°)	52°11°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	79%	76%	0
Sun 4a	Cloudy	51°11° (likely 50°10° to 52°11°)	51°11°	0%	5 mph8 km/h from SSE, gusts 10 mph16 km/h	80%	80%	0
Sun 5a	Cloudy	51°11° (likely 50°10° to 52°11°)	50°10°	0%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	80%	80%	0
Sun 6a	Cloudy	50°10° (likely 49°9° to 51°11°)	48°9°	0%	5 mph8 km/h from SSE, gusts 9 mph14 km/h	82%	79%	0
Sun 7a	Partly sunny	50°10° (likely 48°9° to 51°11°)	49°9°	0%	5 mph8 km/h from SSE, gusts 9 mph14 km/h	86%	71%	0
Sun 8a	Cloudy	51°11° (likely 49°9° to 52°11°)	51°11°	0%	5 mph8 km/h from SSE, gusts 9 mph14 km/h	83%	87%	0
Sun 9a	Cloudy	56°13° (likely 53°12° to 56°13°)	56°13°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	73%	79%	1
Sun 10a	Partly sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	64%	74%	1
Sun 11a	Partly sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	56%	70%	2
Sun 12p	Partly sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	49%	48%	3
Sun 1p	Partly sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	44%	64%	3
Sun 2p	Mostly cloudy	74°23° (likely 72°22° to 75°24°)	75°24°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	42%	69%	3
Sun 3p	Mostly cloudy	76°24° (likely 72°22° to 76°24°)	76°24°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	40%	68%	3
Sun 4p	Cloudy	75°24° (likely 72°22° to 76°24°)	75°24°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	41%	80%	2
Sun 5p	Cloudy	74°23° (likely 69°21° to 74°23°)	74°23°	0%	0 mph0 km/h, gusts 8 mph13 km/h	44%	76%	1
Sun 6p	Mostly cloudy	70°21° (likely 64°18° to 70°21°)	70°21°	0%	0 mph0 km/h, gusts 7 mph12 km/h	50%	70%	0
Sun 7p	Cloudy	65°18° (likely 61°16° to 65°18°)	65°18°	0%	0 mph0 km/h, gusts 7 mph12 km/h	58%	73%	0
Sun 8p	Cloudy	62°17° (likely 58°14° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 7 mph12 km/h	65%	74%	0
Sun 9p	Cloudy	59°15° (likely 56°13° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 7 mph12 km/h	71%	77%	0
Sun 10p	Cloudy	58°14° (likely 55°13° to 59°15°)	58°14°	0%	0 mph0 km/h, gusts 7 mph12 km/h	74%	80%	0
Sun 11p	Cloudy	57°14° (likely 54°12° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 8 mph12 km/h	77%	79%	0
Mon 12a	Cloudy	56°13° (likely 53°12° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	80%	77%	0
Mon 1a	Cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	81%	75%	0
Mon 2a	Cloudy	54°12° (likely 50°10° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 6 mph10 km/h	82%	81%	0
Mon 3a	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 7 mph11 km/h	83%	80%	0
Mon 4a	Cloudy	53°12° (likely 50°10° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 9 mph15 km/h	86%	83%	0
Mon 5a	Cloudy	51°11° (likely 50°10° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 9 mph14 km/h	88%	85%	0
Mon 6a	Cloudy	50°10° (likely 50°10° to 52°11°)	50°10°	0%	0 mph0 km/h, gusts 9 mph14 km/h	90%	85%	0
Mon 7a	Cloudy	50°10° (likely 50°10° to 53°12°)	51°11°	0%	0 mph0 km/h, gusts 12 mph19 km/h	90%	90%	0
Mon 8a	Cloudy	52°11° (likely 52°11° to 55°13°)	52°11°	0%	5 mph8 km/h from ENE, gusts 9 mph14 km/h	87%	87%	0
Mon 9a	Cloudy	55°13° (likely 55°13° to 57°14°)	55°13°	0%	5 mph8 km/h from ENE, gusts 14 mph22 km/h	80%	77%	0
Mon 10a	Cloudy	59°15° (likely 58°14° to 61°16°)	59°15°	0%	5 mph8 km/h from ENE, gusts 14 mph23 km/h	72%	76%	1

Days ahead

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

Today, Oct 24. Cloudy. High 73°23°, low 50°10°. Typical 59°15° / 39°4°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
2. Evening
  6 PM–midnight
  Partly cloudy, 60°16°
  Dry
3. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Official NWS forecast
Today: Partly sunny, with a high near 73. South southeast wind 5 to 10 mph.
Tonight: Partly cloudy, with a low around 50. South southeast wind around 5 mph, with gusts as high as 15 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–73°23°
Low, likely
49°9°–50°10°
Typical high / low
59°15° / 39°4°
Wind
11 mph17 km/h, gusts 18 mph28 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 76°24°, low 50°10°. Typical 59°15° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly cloudy, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 76, with temperatures falling to around 74 in the afternoon. South wind 0 to 5 mph.
Night: Mostly cloudy, with a low around 50. Southeast wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–76°24°
Low, likely
48°9°–51°11°
Typical high / low
59°15° / 39°4°
Wind
7 mph12 km/h, gusts 15 mph24 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 71°22°, low 47°8°. Typical 58°14° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 71. East northeast wind 0 to 5 mph, with gusts as high as 15 mph.
Night: Mostly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
47°8°–51°11°
Typical high / low
58°14° / 38°3°
Wind
14 mph22 km/h, gusts 22 mph35 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 70°21°, low 52°11°. Typical 58°14° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 70.
Night: Mostly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
49°9°–52°11°
Typical high / low
58°14° / 38°3°
Wind
13 mph20 km/h, gusts 24 mph39 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 74°23°, low 51°11°. Typical 57°14° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 58°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74.
Night: Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
51°11°–58°14°
Typical high / low
57°14° / 38°3°
Wind
14 mph23 km/h, gusts 29 mph46 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 70°21°, low 47°8°. Typical 57°14° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
70°21°–75°24°
Low, likely
47°8°–59°15°
Typical high / low
57°14° / 37°3°
Wind
12 mph19 km/h, gusts 32 mph51 km/h
UV peak
3
Friday, Oct 30. Showers. High 68°20°, low 48°9°. Typical 56°13° / 37°3°. Rain 0.03 in0.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°14°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 68.
Night: A chance of rain showers. Mostly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
66°19°–78°26°
Low, likely
48°9°–60°16°
Typical high / low
56°13° / 37°3°
Wind
14 mph23 km/h, gusts 26 mph41 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 70°21°, low 58°14°. Typical 56°13° / 37°3°. Rain 0.13 in3.3 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°15°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  40% chance
3. Evening
  6 PM–midnight
  Drizzle, 64°18°
  50% chance · 0.03 in0.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 62°17°
  50% chance · 0.04 in0.9 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
64°18°–78°26°
Low, likely
54°12°–62°17°
Typical high / low
56°13° / 37°3°
Wind
12 mph20 km/h, gusts 28 mph44 km/h
UV peak
2
Sunday, Nov 1. Showers. High 65°18°, low 59°15°. Typical 55°13° / 36°2°. Rain 0.62 in16 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 62°17°
  50% chance · 0.24 in6.2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 63°17°
  40% chance · 0.27 in6.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  40% chance · 0.12 in3.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  40% chance · 0.03 in0.7 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
55°13°–61°16°
Typical high / low
55°13° / 36°2°
Wind
25 mph41 km/h, gusts 41 mph66 km/h
UV peak
2
Monday, Nov 2. Showers. High 62°17°, low 53°12°. Typical 55°13° / 36°2°. Rain 0.36 in9.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  40% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Rain, 57°14°
  40% chance · 0.24 in6.1 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 58°14°
  40% chance · 0.04 in1.1 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°–67°19°
Low, likely
47°8°–62°17°
Typical high / low
55°13° / 36°2°
Wind
21 mph34 km/h, gusts 40 mph64 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 73°, low 50°.
Tomorrow
Dry, high 76°, low 50°, warming up.
Monday
Dry, high 71°, low 47°, cooling off.
Rest of week
Highs 62–74°; chance of precipitation on 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

Rock River at Dixon

9.0 mi

Below flood stage

Level: 9.4 ft
Flow: 6,070 cfs

Reading from Sat 10:15 AM · NWS gauge page

Rock River at Como

10 mi

Below flood stage

Level: 4.7 ft
Flow: 5,920 cfs

Reading from Sat 10:30 AM · NWS gauge page

Elkhorn Creek (IL) near Penrose

14 mi

Level: 3.2 ft
Flow: 85 cfs

Reading from Sat 9:45 AM · NWS gauge page

Big Bureau Creek at Princeton

25 mi

Below flood stage

Level: 3.1 ft
Flow: 75 cfs

Reading from Sat 9:45 AM · NWS gauge page

For your home

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

Heating this week

About 89% less heating than a typical week.

This week 13Typical 120

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 12:00 PM–8:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

DIXON WWTP · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 14°8° warmer than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 42 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 34 min less
Golden hour: 5:24–6:20 PM; Morning 7:03–7:59 AM
Blue hour: 6:20–6:31 PM; Morning 6:52–7:03 AM; first light 6:52 AM

Stars tonight? Fair

Mostly clear 6:31–8 PM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:34 AM · rises 5:01 PM
Full moon: Oct 25
New moon: Nov 9

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

Harmon, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Rock River at Dixon

Rock River at Como

Elkhorn Creek (IL) near Penrose

Big Bureau Creek at Princeton

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