Observed 8:25 PM CDT at KSQI

Princeton, IL weather

Clear and 59°15°, 14°8° warmer than a typical Oct 24.

Forecasts agree

Now 59°15°

Clear

Wind: 3 mph5 km/h; From the southeast. 35–5 mph8 km/h through 9 AM
Dew point: 46°8°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Pressure: 30.35 inHg1028 hPa; Rising slowly · +0.02 inHg+0.6 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 (62°17° then, 61°16° now)

Good hours for

Low 49°9° tomorrow at 7 AM
Above 60°16° tomorrow by 10 AM
High 76°24° tomorrow at 4 PM
Below 60°16° tomorrow night after 9 PM

TonightDown to 50°10° by 5 AM · Partly cloudy
Tomorrow morningUp to 67°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 76°24° by 4 PM · Mostly cloudy
Tomorrow nightDown to 52°11° by 4 AM · Mostly cloudy
Monday morningUp to 65°18° by 11 AM · Mostly cloudy
Monday afternoonUp to 73°23° by 3 PM · Cloudy
Monday nightDown to 61°16° by 8 PM · 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 9p	Clear	58°14° (likely 57°14° to 60°16°)	58°14°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	64%	6%	0
Sat 10p	Mostly clear	56°13° (likely 55°13° to 59°15°)	56°13°	0%	5 mph8 km/h from SE, gusts 9 mph15 km/h	69%	7%	0
Sat 11p	Clear	55°13° (likely 54°12° to 58°14°)	55°13°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	69%	6%	0
Sun 12a	Mostly clear	54°12° (likely 52°11° to 57°14°)	54°12°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	71%	64%	0
Sun 1a	Partly cloudy	53°12° (likely 51°11° to 55°13°)	53°12°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	74%	66%	0
Sun 2a	Partly cloudy	52°11° (likely 51°11° to 54°12°)	52°11°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	77%	37%	0
Sun 3a	Cloudy	52°11° (likely 50°10° to 53°12°)	52°11°	0%	5 mph8 km/h from S, gusts 8 mph14 km/h	77%	78%	0
Sun 4a	Cloudy	51°11° (likely 49°9° to 53°12°)	51°11°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	77%	83%	0
Sun 5a	Cloudy	50°10° (likely 49°9° to 52°11°)	49°9°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	80%	89%	0
Sun 6a	Cloudy	50°10° (likely 49°9° to 52°11°)	49°9°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	80%	87%	0
Sun 7a	Cloudy	49°9° (likely 48°9° to 51°11°)	48°9°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	83%	85%	0
Sun 8a	Cloudy	51°11° (likely 48°9° to 52°11°)	51°11°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	80%	87%	0
Sun 9a	Partly sunny	56°13° (likely 53°12° to 57°14°)	56°13°	0%	5 mph8 km/h from S, gusts 10 mph15 km/h	72%	49%	1
Sun 10a	Cloudy	61°16° (likely 60°16° to 63°17°)	61°16°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	60%	79%	2
Sun 11a	Cloudy	67°19° (likely 64°18° to 68°20°)	67°19°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	49%	79%	3
Sun 12p	Cloudy	71°22° (likely 68°20° to 72°22°)	71°22°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	42%	79%	3
Sun 1p	Cloudy	74°23° (likely 71°22° to 74°23°)	74°23°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	38%	79%	4
Sun 2p	Cloudy	74°23° (likely 72°22° to 76°24°)	74°23°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	38%	79%	3
Sun 3p	Cloudy	75°24° (likely 73°23° to 76°24°)	75°24°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	36%	79%	3
Sun 4p	Cloudy	76°24° (likely 72°22° to 76°24°)	76°24°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	36%	79%	2
Sun 5p	Cloudy	74°23° (likely 70°21° to 74°23°)	74°23°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	38%	76%	1
Sun 6p	Cloudy	71°22° (likely 65°18° to 71°22°)	71°22°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	42%	74%	0
Sun 7p	Cloudy	66°19° (likely 62°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 6 mph10 km/h	50%	80%	0
Sun 8p	Cloudy	61°16° (likely 60°16° to 64°18°)	61°16°	0%	0 mph0 km/h, gusts 6 mph9 km/h	62%	80%	0
Sun 9p	Partly cloudy	59°15° (likely 58°14° to 63°17°)	59°15°	0%	0 mph0 km/h, gusts 5 mph8 km/h	67%	61%	0
Sun 10p	Cloudy	58°14° (likely 57°14° to 61°16°)	58°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	69%	75%	0
Sun 11p	Cloudy	57°14° (likely 56°13° to 60°16°)	57°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	69%	80%	0
Mon 12a	Cloudy	56°13° (likely 55°13° to 58°14°)	56°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	72%	82%	0
Mon 1a	Cloudy	55°13° (likely 54°12° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	74%	80%	0
Mon 2a	Cloudy	54°12° (likely 52°11° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	77%	88%	0
Mon 3a	Cloudy	54°12° (likely 51°11° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	74%	86%	0
Mon 4a	Cloudy	52°11° (likely 50°10° to 55°13°)	52°11°	0%	0 mph0 km/h, gusts 2 mph4 km/h	80%	85%	0
Mon 5a	Partly cloudy	52°11° (likely 50°10° to 53°12°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	80%	78%	0
Mon 6a	Partly cloudy	51°11° (likely 49°9° to 53°12°)	51°11°	0%	0 mph0 km/h, gusts 7 mph12 km/h	83%	65%	0
Mon 7a	Cloudy	50°10° (likely 48°9° to 52°11°)	50°10°	0%	0 mph0 km/h, gusts 10 mph16 km/h	86%	79%	0
Mon 8a	Cloudy	52°11° (likely 49°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 13 mph22 km/h	83%	75%	0
Mon 9a	Cloudy	56°13° (likely 52°11° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 14 mph22 km/h	77%	84%	1
Mon 10a	Cloudy	61°16° (likely 56°13° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 13 mph21 km/h	67%	80%	1
Mon 11a	Cloudy	65°18° (likely 61°16° to 65°18°)	65°18°	0%	5 mph8 km/h from E, gusts 13 mph20 km/h	58%	82%	2
Mon 12p	Cloudy	68°20° (likely 64°18° to 68°20°)	68°20°	0%	5 mph8 km/h from E, gusts 12 mph20 km/h	53%	83%	3
Mon 1p	Cloudy	70°21° (likely 67°19° to 70°21°)	70°21°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	49%	88%	4
Mon 2p	Cloudy	72°22° (likely 68°20° to 72°22°)	72°22°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	46%	93%	3
Mon 3p	Cloudy	73°23° (likely 68°20° to 73°23°)	73°23°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	43%	84%	2
Mon 4p	Cloudy	73°23° (likely 67°19° to 73°23°)	73°23°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	43%	84%	2
Mon 5p	Cloudy	71°22° (likely 66°19° to 71°22°)	71°22°	0%	5 mph8 km/h from E, gusts 13 mph20 km/h	46%	83%	1
Mon 6p	Cloudy	68°20° (likely 62°17° to 68°20°)	68°20°	0%	5 mph8 km/h from E, gusts 14 mph22 km/h	51%	81%	0
Mon 7p	Cloudy	65°18° (likely 59°15° to 65°18°)	65°18°	0%	5 mph8 km/h from E, gusts 16 mph25 km/h	56%	76%	0
Mon 8p	Mostly cloudy	61°16° (likely 57°14° to 63°17°)	61°16°	0%	10 mph16 km/h from E, gusts 19 mph31 km/h	65%	77%	0

Days ahead

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

Today, Oct 24. Partly sunny. High 73°23°, low 49°9°. Typical 59°15° / 38°3°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Mostly clear, 55°13°
  Dry
2. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 49. Southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
71°22°–74°23°
Low, likely
47°8°–49°9°
Typical high / low
59°15° / 38°3°
Wind
9 mph14 km/h, gusts 17 mph27 km/h
UV peak
4
Tomorrow, Oct 25. Partly sunny. High 76°24°, low 50°10°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 76, with temperatures falling to around 74 in the afternoon. South wind around 5 mph.
Night: Partly cloudy. Low around 50, with temperatures rising to around 52 overnight. South wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–76°24°
Low, likely
48°9°–51°11°
Typical high / low
59°15° / 38°3°
Wind
7 mph12 km/h, gusts 14 mph23 km/h
UV peak
4
Monday, Oct 26. Mostly cloudy. High 73°23°, low 49°9°. Typical 58°14° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°10°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 73. East 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
68°20°–73°23°
Low, likely
48°9°–51°11°
Typical high / low
58°14° / 38°3°
Wind
14 mph22 km/h, gusts 24 mph39 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 73°23°, low 53°12°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  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 73.
Night: Mostly cloudy, with a low around 53.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–73°23°
Low, likely
49°9°–53°12°
Typical high / low
58°14° / 37°3°
Wind
11 mph17 km/h, gusts 23 mph37 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 77°25°, low 55°13°. Typical 57°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 60°16°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 77.
Night: Mostly clear, with a low around 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–77°25°
Low, likely
54°12°–56°13°
Typical high / low
57°14° / 37°3°
Wind
12 mph20 km/h, gusts 30 mph48 km/h
UV peak
4
Thursday, Oct 29. Showers. High 77°25°, low 55°13°. Typical 57°14° / 36°2°. Rain 0.04 in1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 60°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 59°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 77.
Night: A slight chance of rain showers before 1am. Partly cloudy, with a low around 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–77°25°
Low, likely
55°13°–60°16°
Typical high / low
57°14° / 36°2°
Wind
12 mph19 km/h, gusts 36 mph58 km/h
UV peak
3
Friday, Oct 30. Mostly cloudy. High 76°24°, low 56°13°. Typical 56°13° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 65°18°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 60°16°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 76.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–76°24°
Low, likely
56°13°–59°15°
Typical high / low
56°13° / 36°2°
Wind
15 mph24 km/h, gusts 28 mph45 km/h
UV peak
3
Saturday, Oct 31. Showers. High 73°23°, low 59°15°. Typical 56°13° / 36°2°. Rain 0.14 in3.6 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 61°16°
  30% chance
2. Afternoon
  noon–6 PM
  Drizzle, 71°22°
  40% chance
3. Evening
  6 PM–midnight
  Showers, 64°18°
  50% chance · 0.13 in3.2 mm
4. Overnight
  midnight–6 AM
  Showers, 62°16°
  50% chance · 0.34 in8.6 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. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–73°23°
Low, likely
55°13°–62°17°
Typical high / low
56°13° / 36°2°
Wind
15 mph25 km/h, gusts 29 mph47 km/h
UV peak
2
Sunday, Nov 1. Drizzle. High 68°20°, low 58°14°. Typical 55°13° / 35°2°. Rain 0.46 in12 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 62°17°
  50% chance · 0.08 in2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 68°20°
  40% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  30% chance · 0.04 in1.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 52°11°
  30% 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
66°19°–72°22°
Low, likely
56°13°–62°17°
Typical high / low
55°13° / 35°2°
Wind
18 mph29 km/h, gusts 39 mph62 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 64°18°, low 53°12°. Typical 55°13° / 35°2°. Rain 0.5 in13 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 54°12°
  40% chance · 0.23 in5.9 mm
2. Afternoon
  noon–6 PM
  Sunny, 62°16°
  30% chance · 0.17 in4.3 mm
3. Evening
  6 PM–midnight
  Mostly clear, 54°12°
  30% chance · 0.06 in1.5 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
53°12°–69°21°
Low, likely
36°2°–61°16°
Typical high / low
55°13° / 35°2°
Wind
18 mph28 km/h, gusts 38 mph61 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 73°, low 49°.
Tomorrow
Dry, high 76°, low 50°, warming up.
Monday
Dry, high 73°, low 49°, cooling off.
Rest of week
Highs 64–77°; chance of precipitation on Sunday.

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

Illinois River near La Salle

19 mi

Below flood stage

Level: 11.3 ft
Flow: 4,780 cfs

Forecast peak 11.3 ft Sun 1 AM

Reading from Sat 7:45 PM · NWS gauge page

Illinois River near Henry

20 mi

Below flood stage

Level: 14.7 ft
Flow: 4,410 cfs

Forecast peak 14.8 ft Sun 1 AM

Reading from Sat 7:45 PM · NWS gauge page

Big Bureau Creek at Princeton

2.0 mi

Below flood stage

Level: 3.0 ft
Flow: 73 cfs

Reading from Sat 7:45 PM · 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 13Typical 123

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Sun, 10:00 AM–8:00 PM

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

Is this typical?

Walnut · 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

—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24
—SunOct 25

Princeton 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 32 min less
Golden hour: 5:24–6:20 PM; Morning 7:02–7:58 AM
Blue hour: 6:20–6:31 PM; Morning 6:51–7:02 AM; first light 6:51 AM

Stars tonight? Fair

Mostly clear 9:01 PM–12 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:33 AM · rises 5:01 PM
Full moon: Oct 25
New moon: Nov 9

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

Princeton, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Illinois River near La Salle

Illinois River near Henry

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