Observed 7:50 PM CDT at KOLY

Dundas, IL weather

Clear and 56°13°, 8°4° warmer than a typical Oct 24.

Forecasts agree

Now 56°13°

Clear

Wind: Calm; Light through 8 AM
Dew point: 45°7°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Pressure: 30.38 inHg1029 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 (58°15° then, 56°13° now)

Good hours for

Low 45°7° tomorrow at 7 AM
Above 60°16° tomorrow by 10 AM
High 77°25° tomorrow at 4 PM
Below 60°16° tomorrow night after 9 PM

TonightDown to 46°8° by 5 AM · Clear
Tomorrow morningUp to 67°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 77°25° by 4 PM · Partly cloudy
Tomorrow nightDown to 49°9° by 5 AM · Mostly cloudy
Monday morningUp to 69°21° by 11 AM · Mostly cloudy
Monday afternoonUp to 77°25° by 3 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 8p	Clear	58°14° (likely 56°13° to 58°14°)	58°14°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	66%	42%	0
Sat 9p	Clear	55°13° (likely 54°12° to 57°14°)	55°13°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	75%	41%	0
Sat 10p	Clear	54°12° (likely 52°11° to 55°13°)	54°12°	0%	2 mph3 km/h from E, gusts 7 mph10 km/h	78%	40%	0
Sat 11p	Clear	52°11° (likely 51°11° to 54°12°)	52°11°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	84%	40%	0
Sun 12a	Clear	51°11° (likely 50°10° to 53°12°)	51°11°	0%	1 mph2 km/h from ESE, gusts 8 mph13 km/h	87%	9%	0
Sun 1a	Clear	50°10° (likely 49°9° to 52°11°)	50°10°	0%	1 mph2 km/h from E, gusts 7 mph11 km/h	88%	1%	0
Sun 2a	Clear	49°9° (likely 48°9° to 51°11°)	49°9°	0%	1 mph2 km/h from E, gusts 7 mph12 km/h	90%	0%	0
Sun 3a	Clear	48°9° (likely 46°8° to 50°10°)	48°9°	0%	1 mph2 km/h from E, gusts 7 mph12 km/h	93%	2%	0
Sun 4a	Clear	47°8° (likely 46°8° to 49°9°)	47°8°	0%	1 mph2 km/h from E, gusts 7 mph12 km/h	96%	2%	0
Sun 5a	Clear	46°8° (likely 45°7° to 48°9°)	46°8°	0%	1 mph2 km/h from E, gusts 7 mph12 km/h	98%	14%	0
Sun 6a	Mostly clear	46°8° (likely 44°7° to 47°8°)	46°8°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	99%	53%	0
Sun 7a	Mostly sunny	45°7° (likely 44°7° to 47°8°)	45°7°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	100%	66%	0
Sun 8a	Mostly sunny	47°8° (likely 45°7° to 50°10°)	47°8°	0%	1 mph2 km/h from E, gusts 6 mph9 km/h	100%	72%	0
Sun 9a	Mostly sunny	55°13° (likely 52°11° to 55°13°)	55°13°	0%	1 mph2 km/h from ESE, gusts 4 mph7 km/h	81%	56%	1
Sun 10a	Cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	62%	61%	2
Sun 11a	Mostly sunny	67°19° (likely 65°18° to 69°21°)	67°19°	0%	2 mph3 km/h from SSE, gusts 7 mph11 km/h	50%	54%	3
Sun 12p	Partly sunny	71°22° (likely 68°20° to 74°23°)	71°22°	0%	2 mph3 km/h from SSE, gusts 6 mph10 km/h	43%	50%	4
Sun 1p	Sunny	74°23° (likely 71°22° to 76°24°)	74°23°	0%	2 mph3 km/h from SSE, gusts 4 mph7 km/h	38%	20%	4
Sun 2p	Sunny	76°24° (likely 73°23° to 77°25°)	76°24°	0%	1 mph2 km/h from SSE, gusts 4 mph6 km/h	35%	41%	4
Sun 3p	Sunny	76°24° (likely 73°23° to 77°25°)	76°24°	0%	1 mph2 km/h from SSE, gusts 4 mph7 km/h	34%	42%	3
Sun 4p	Cloudy	77°25° (likely 73°23° to 77°25°)	77°25°	0%	1 mph2 km/h from SSE, gusts 5 mph7 km/h	32%	80%	2
Sun 5p	Cloudy	75°24° (likely 70°21° to 76°24°)	75°24°	0%	0 mph0 km/h, gusts 4 mph6 km/h	38%	79%	1
Sun 6p	Cloudy	71°22° (likely 65°18° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 4 mph6 km/h	42%	80%	0
Sun 7p	Cloudy	65°18° (likely 63°17° to 66°19°)	65°18°	0%	0 mph0 km/h, gusts 4 mph7 km/h	54%	64%	0
Sun 8p	Cloudy	60°16° (likely 60°16° to 63°17°)	60°16°	0%	0 mph0 km/h, gusts 5 mph8 km/h	66%	80%	0
Sun 9p	Partly cloudy	58°14° (likely 58°14° to 61°16°)	58°14°	0%	0 mph0 km/h, gusts 7 mph11 km/h	72%	67%	0
Sun 10p	Cloudy	56°13° (likely 56°13° to 60°16°)	56°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	77%	70%	0
Sun 11p	Partly cloudy	55°13° (likely 55°13° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 8 mph12 km/h	80%	56%	0
Mon 12a	Mostly cloudy	53°12° (likely 53°12° to 57°14°)	53°12°	0%	0 mph0 km/h, gusts 8 mph13 km/h	86%	64%	0
Mon 1a	Cloudy	52°11° (likely 52°11° to 56°13°)	52°11°	0%	0 mph0 km/h, gusts 7 mph12 km/h	88%	77%	0
Mon 2a	Cloudy	51°11° (likely 51°11° to 54°12°)	51°11°	0%	0 mph0 km/h, gusts 6 mph10 km/h	90%	79%	0
Mon 3a	Cloudy	50°10° (likely 50°10° to 54°12°)	50°10°	0%	0 mph0 km/h, gusts 6 mph10 km/h	93%	80%	0
Mon 4a	Cloudy	50°10° (likely 49°9° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 6 mph9 km/h	93%	81%	0
Mon 5a	Partly cloudy	49°9° (likely 49°9° to 52°11°)	49°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	95%	73%	0
Mon 6a	Cloudy	49°9° (likely 48°9° to 51°11°)	49°9°	0%	0 mph0 km/h, gusts 5 mph9 km/h	96%	90%	0
Mon 7a	Cloudy	48°9° (likely 48°9° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 6 mph9 km/h	98%	90%	0
Mon 8a	Cloudy	50°10° (likely 48°9° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 7 mph11 km/h	97%	83%	0
Mon 9a	Mostly sunny	56°13° (likely 55°13° to 59°15°)	56°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	81%	83%	1
Mon 10a	Partly sunny	63°17° (likely 62°17° to 65°18°)	63°17°	0%	1 mph2 km/h from SSW, gusts 9 mph15 km/h	64%	72%	2
Mon 11a	Partly sunny	69°21° (likely 68°20° to 71°22°)	69°21°	0%	2 mph3 km/h from SSW, gusts 10 mph17 km/h	51%	75%	3
Mon 12p	Cloudy	72°22° (likely 71°22° to 74°23°)	72°22°	0%	3 mph5 km/h from SW, gusts 9 mph15 km/h	44%	86%	3
Mon 1p	Cloudy	75°24° (likely 73°23° to 76°24°)	75°24°	0%	3 mph5 km/h from SW, gusts 9 mph14 km/h	39%	87%	4
Mon 2p	Cloudy	76°24° (likely 74°23° to 77°25°)	76°24°	0%	3 mph5 km/h from SW, gusts 9 mph15 km/h	36%	82%	4
Mon 3p	Cloudy	77°25° (likely 74°23° to 78°26°)	77°25°	0%	2 mph3 km/h from SW, gusts 8 mph13 km/h	34%	85%	2
Mon 4p	Partly sunny	76°24° (likely 73°23° to 78°26°)	76°24°	0%	1 mph2 km/h from SW, gusts 7 mph11 km/h	36%	62%	2
Mon 5p	Partly sunny	74°23° (likely 71°22° to 77°25°)	74°23°	0%	1 mph2 km/h from SSW, gusts 6 mph10 km/h	39%	73%	1
Mon 6p	Partly cloudy	70°21° (likely 67°19° to 73°23°)	70°21°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	47%	73%	0
Mon 7p	Partly cloudy	66°19° (likely 63°17° to 67°19°)	66°19°	0%	1 mph2 km/h from S, gusts 3 mph5 km/h	56%	73%	0

Days ahead

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

Today, Oct 24. Cloudy. High 73°23°, low 45°7°. Typical 65°18° / 41°5°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 45. East wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–74°23°
Low, likely
44°7°–46°8°
Typical high / low
65°18° / 41°5°
Wind
7 mph11 km/h, gusts 14 mph22 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 77°25°, low 48°9°. Typical 64°18° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Official NWS forecast
Day: Sunny, with a high near 77. East southeast wind around 2 mph.
Night: Mostly cloudy, with a low around 48. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–77°25°
Low, likely
44°7°–48°9°
Typical high / low
64°18° / 41°5°
Wind
7 mph11 km/h, gusts 12 mph19 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 77°25°, low 49°9°. Typical 64°18° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 77. Southwest wind 0 to 3 mph.
Night: Partly cloudy, with a low around 49. South wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–77°25°
Low, likely
47°8°–51°11°
Typical high / low
64°18° / 41°5°
Wind
8 mph13 km/h, gusts 13 mph22 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 75°24°, low 51°11°. Typical 63°17° / 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, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 75. South southeast wind 0 to 5 mph.
Night: Mostly cloudy, with a low around 51. South southeast wind around 3 mph.
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
63°17° / 40°4°
Wind
7 mph12 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 79°26°, low 52°11°. Typical 63°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 79.
Night: Mostly clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–79°26°
Low, likely
49°9°–54°12°
Typical high / low
63°17° / 40°4°
Wind
11 mph18 km/h, gusts 18 mph29 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 81°27°, low 52°11°. Typical 62°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 81.
Night: Mostly clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–81°27°
Low, likely
48°9°–54°12°
Typical high / low
62°17° / 40°4°
Wind
13 mph20 km/h, gusts 27 mph43 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 80°27°, low 56°13°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 78°25°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 80.
Night: Mostly cloudy, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–80°27°
Low, likely
48°9°–56°13°
Typical high / low
62°17° / 39°4°
Wind
11 mph18 km/h, gusts 16 mph26 km/h
UV peak
4
Saturday, Oct 31. Showers. High 76°24°, low 58°14°. Typical 61°16° / 39°4°. Rain 0.05 in1.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 68°20°
  40% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 65°18°
  50% chance · 0.13 in3.2 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 7am. Partly sunny, with a high near 76.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
66°19°–80°27°
Low, likely
54°12°–61°16°
Typical high / low
61°16° / 39°4°
Wind
16 mph26 km/h, gusts 34 mph55 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 75°24°, low 64°18°. Typical 61°16° / 38°3°. Rain 0.31 in7.9 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 66°19°
  50% chance · 0.04 in1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 76°24°
  40% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 69°21°
  30% chance · 0.11 in2.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°16°
  30% chance · 0.12 in3.1 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
71°22°–81°27°
Low, likely
60°16°–67°19°
Typical high / low
61°16° / 38°3°
Wind
22 mph35 km/h, gusts 39 mph62 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 72°22°, low 57°14°. Typical 60°16° / 38°3°. Rain 0.29 in7.4 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  30% chance · 0.06 in1.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  30% chance
3. Evening
  6 PM–midnight
  Mostly clear, 59°15°
  30% chance · 0.07 in1.7 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
65°18°–77°25°
Low, likely
38°3°–65°18°
Typical high / low
60°16° / 38°3°
Wind
24 mph38 km/h, gusts 37 mph59 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 73°, low 45°.
Tomorrow
Dry, high 77°, low 48°, warming up.
Monday
Dry, high 77°, low 49°.
Rest of week
Highs 72–81°; chance of precipitation on Sunday.

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

Embarras River (IL) at Ste Marie

7.8 mi

Below flood stage

Level: 0.8 ft
Flow: 67 cfs

Reading from Sat 7:45 PM · NWS gauge page

North Fork Embarras River near Oblong

14 mi

Below flood stage

Level: 2.0 ft
Flow: 3 cfs

Reading from Sat 8 PM · NWS gauge page

Little Wabash River below Clay City

18 mi

Below flood stage

Level: 4.0 ft
Flow: 12 cfs

Reading from Sat 7:30 PM · NWS gauge page

Embarras River (IL) at Lawrenceville

24 mi

Below flood stage

Level: 16.6 ft
Flow: 57 cfs

Reading from Sat 6:45 PM · NWS gauge page

For your home

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

Heating this week

About 83% less heating than a typical week.

This week 16Typical 93

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 45°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?

Olney 2s · official normals 1991–2020 · records 1896–2026

Oct 24, today vs a typical year

Today’s expected high is 8°4° warmer than typical.

Last 7 days vs normal

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

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

Sun & moon

Sun

Daylight: 10 h 50 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 24 min less
Golden hour: 5:24–6:18 PM; Morning 6:54–7:47 AM
Blue hour: 6:18–6:28 PM; Morning 6:43–6:54 AM; first light 6:43 AM

Stars tonight? Fair

Mostly clear 12–6 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:25 AM · rises 4:58 PM
Full moon: Oct 25
New moon: Nov 9

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

Dundas, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Embarras River (IL) at Ste Marie

North Fork Embarras River near Oblong

Little Wabash River below Clay City

Embarras River (IL) at Lawrenceville

For your home

Heating this week

Heat-pump hours, next 7 days

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