Observed 4:35 AM CDT at KAJG

Sumner, IL weather

Clear and 46°8°, 8°4° warmer than a typical Oct 24.

Forecasts agree

Now 46°8°

Clear

Wind: Calm; Up to 6 mph10 km/h through 5 PM
Dew point: 45°7°; Comfortable
Humidity: 97%; Air 46°8°, dew point 45°7° · fog or dew likely
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Air quality: 37Good; Main pollutant: Ozone
Pressure: 30.34 inHg1027 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 (45°7° then, 46°8° now)

Good hours for

Low 45°7° today at 6 AM
Above 60°16° today by 10 AM
High 73°23° today at 4 PM
Below 60°16° tonight after 8 PM

This morningUp to 64°18° by 11 AM · Clear
This afternoonUp to 73°23° by 4 PM · Mostly cloudy
TonightDown to 46°8° by 5 AM · Partly cloudy
Tomorrow morningUp to 67°19° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 77°25° by 4 PM · Mostly cloudy
Tomorrow nightDown to 50°10° by 4 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 5a	Clear	46°8° (likely 45°7° to 51°11°)	46°8°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	93%	4%	0
Sat 6a	Clear	45°7° (likely 44°7° to 50°10°)	45°7°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	96%	8%	0
Sat 7a	Sunny	45°7° (likely 43°6° to 49°9°)	45°7°	0%	2 mph3 km/h from E, gusts 8 mph12 km/h	93%	3%	0
Sat 8a	Sunny	47°8° (likely 44°7° to 51°11°)	46°8°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	89%	3%	0
Sat 9a	Sunny	51°11° (likely 51°11° to 56°13°)	51°11°	0%	3 mph5 km/h from ESE, gusts 8 mph12 km/h	86%	2%	1
Sat 10a	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	5 mph8 km/h from ESE, gusts 8 mph13 km/h	62%	7%	2
Sat 11a	Partly sunny	64°18° (likely 64°18° to 66°19°)	64°18°	0%	5 mph8 km/h from ESE, gusts 8 mph12 km/h	50%	25%	3
Sat 12p	Sunny	68°20° (likely 68°20° to 69°21°)	68°20°	0%	6 mph10 km/h from ESE, gusts 8 mph13 km/h	40%	30%	4
Sat 1p	Cloudy	70°21° (likely 70°21° to 71°22°)	70°21°	0%	6 mph10 km/h from ESE, gusts 10 mph16 km/h	36%	68%	4
Sat 2p	Cloudy	72°22° (likely 71°22° to 73°23°)	72°22°	0%	6 mph10 km/h from ESE, gusts 9 mph15 km/h	34%	73%	4
Sat 3p	Cloudy	72°22° (likely 71°22° to 73°23°)	72°22°	0%	6 mph10 km/h from E, gusts 8 mph13 km/h	33%	78%	3
Sat 4p	Partly sunny	73°23° (likely 71°22° to 73°23°)	73°23°	0%	6 mph10 km/h from E, gusts 8 mph13 km/h	30%	70%	1
Sat 5p	Partly sunny	71°22° (likely 69°21° to 71°22°)	71°22°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	34%	70%	0
Sat 6p	Partly cloudy	68°20° (likely 64°18° to 68°20°)	68°20°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	39%	48%	0
Sat 7p	Clear	63°17° (likely 61°16° to 63°17°)	63°17°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	50%	44%	0
Sat 8p	Mostly clear	57°14° (likely 57°14° to 59°15°)	57°14°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	62%	48%	0
Sat 9p	Clear	55°13° (likely 55°13° to 57°14°)	55°13°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	69%	44%	0
Sat 10p	Mostly clear	53°12° (likely 53°12° to 56°13°)	53°12°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	77%	43%	0
Sat 11p	Clear	51°11° (likely 51°11° to 55°13°)	51°11°	0%	2 mph3 km/h from ESE, gusts 8 mph12 km/h	83%	3%	0
Sun 12a	Clear	50°10° (likely 50°10° to 54°12°)	50°10°	0%	1 mph2 km/h from ESE, gusts 8 mph12 km/h	86%	1%	0
Sun 1a	Clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	1 mph2 km/h from ESE, gusts 7 mph11 km/h	89%	33%	0
Sun 2a	Clear	48°9° (likely 48°9° to 52°11°)	48°9°	0%	1 mph2 km/h from ESE, gusts 6 mph10 km/h	93%	40%	0
Sun 3a	Clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	1 mph2 km/h from ESE, gusts 7 mph11 km/h	93%	20%	0
Sun 4a	Mostly clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	1 mph2 km/h from ESE, gusts 5 mph8 km/h	93%	16%	0
Sun 5a	Mostly clear	46°8° (likely 46°8° to 49°9°)	46°8°	0%	1 mph2 km/h from ESE, gusts 5 mph8 km/h	93%	36%	0
Sun 6a	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	12%	0
Sun 7a	Sunny	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	13%	0
Sun 8a	Mostly sunny	47°8° (likely 47°8° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 5 mph7 km/h	96%	51%	0
Sun 9a	Mostly sunny	53°12° (likely 53°12° to 56°13°)	53°12°	0%	1 mph2 km/h from SSE, gusts 5 mph7 km/h	83%	45%	1
Sun 10a	Mostly sunny	62°17° (likely 60°16° to 63°17°)	62°17°	0%	1 mph2 km/h from SSE, gusts 6 mph9 km/h	60%	34%	2
Sun 11a	Mostly sunny	67°19° (likely 65°18° to 69°21°)	67°19°	0%	1 mph2 km/h from SSE, gusts 5 mph9 km/h	47%	26%	3
Sun 12p	Mostly sunny	72°22° (likely 69°21° to 73°23°)	72°22°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	38%	58%	4
Sun 1p	Cloudy	74°23° (likely 72°22° to 75°24°)	74°23°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	35%	71%	4
Sun 2p	Cloudy	75°24° (likely 74°23° to 76°24°)	75°24°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	33%	67%	4
Sun 3p	Mostly sunny	76°24° (likely 74°23° to 77°25°)	76°24°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	32%	61%	3
Sun 4p	Cloudy	77°25° (likely 73°23° to 77°25°)	77°25°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	30%	60%	2
Sun 5p	Cloudy	75°24° (likely 71°22° to 75°24°)	75°24°	0%	1 mph2 km/h from SSE, gusts 5 mph8 km/h	34%	77%	1
Sun 6p	Cloudy	72°22° (likely 67°19° to 72°22°)	72°22°	0%	0 mph0 km/h, gusts 4 mph6 km/h	38%	76%	0
Sun 7p	Partly cloudy	67°19° (likely 63°17° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 3 mph6 km/h	47%	75%	0
Sun 8p	Cloudy	61°16° (likely 61°16° to 63°17°)	61°16°	0%	0 mph0 km/h, gusts 4 mph6 km/h	60%	62%	0
Sun 9p	Cloudy	59°15° (likely 59°15° to 61°16°)	59°15°	0%	0 mph0 km/h, gusts 4 mph7 km/h	67%	61%	0
Sun 10p	Partly cloudy	57°14° (likely 57°14° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 4 mph6 km/h	72%	37%	0
Sun 11p	Cloudy	55°13° (likely 55°13° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	77%	67%	0
Mon 12a	Cloudy	54°12° (likely 54°12° to 58°14°)	54°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	80%	64%	0
Mon 1a	Mostly cloudy	52°11° (likely 52°11° to 58°14°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	86%	68%	0
Mon 2a	Mostly cloudy	52°11° (likely 52°11° to 60°16°)	52°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	86%	65%	0
Mon 3a	Mostly cloudy	51°11° (likely 51°11° to 59°15°)	51°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	86%	65%	0
Mon 4a	Mostly cloudy	50°10° (likely 50°10° to 58°14°)	50°10°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	57%	0

Days ahead

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

Today, Oct 24. Cloudy. High 73°23°, low 44°7°. Typical 65°18° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 73. East southeast wind 2 to 6 mph.
Tonight: Mostly clear, with a low around 44. East wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
71°22°–73°23°
Low, likely
43°6°–49°9°
Typical high / low
65°18° / 41°5°
Wind
9 mph14 km/h, gusts 15 mph23 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 77°25°, low 48°9°. Typical 64°18° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 50°10°
  Dry
Official NWS forecast
Day: Sunny, with a high near 77. South southeast wind around 1 mph.
Night: Partly cloudy, with a low around 48. Wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
74°23°–77°25°
Low, likely
47°8°–48°9°
Typical high / low
64°18° / 41°5°
Wind
6 mph9 km/h, gusts 11 mph18 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 77°25°, low 49°9°. Typical 64°18° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 77. West southwest wind around 2 mph.
Night: Partly cloudy, with a low around 49. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–77°25°
Low, likely
49°9°–54°12°
Typical high / low
64°18° / 41°5°
Wind
7 mph12 km/h, gusts 13 mph21 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 74°23°, low 50°10°. Typical 63°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 54°12°
  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 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–76°24°
Low, likely
48°9°–54°12°
Typical high / low
63°17° / 40°4°
Wind
6 mph10 km/h, gusts 20 mph33 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 78°26°, low 52°11°. Typical 63°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 55°13°
  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, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 78.
Night: Mostly clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–78°26°
Low, likely
50°10°–55°13°
Typical high / low
63°17° / 40°4°
Wind
9 mph15 km/h, gusts 19 mph31 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 78°26°, low 49°9°. Typical 62°17° / 40°4°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Partly sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 78°25°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 78.
Night: Mostly clear, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 78°26°).
High, likely
75°24°–79°26°
Low, likely
49°9°–55°13°
Typical high / low
62°17° / 40°4°
Wind
12 mph19 km/h, gusts 22 mph35 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 76°24°, low 51°11°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 65°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 76.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–81°27°
Low, likely
47°8°–56°13°
Typical high / low
62°17° / 39°4°
Wind
8 mph14 km/h, gusts 17 mph28 km/h
UV peak
4
Saturday, Oct 31. Drizzle. High 75°24°, low 60°16°. Typical 61°16° / 39°4°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 64°18°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 69°21°
  20% chance
4. Overnight
  midnight–6 AM
  Drizzle, 64°18°
  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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
71°22°–79°26°
Low, likely
58°14°–64°18°
Typical high / low
61°16° / 39°4°
Wind
13 mph20 km/h, gusts 19 mph31 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 70°21°, low 63°17°. Typical 61°16° / 38°3°. Rain 0.41 in10 mm, 40% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 65°18°
  40% chance · 0.13 in3.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 69°21°
  40% chance · 0.14 in3.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 67°19°
  40% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Cloudy, 64°18°
  40% 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 agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–72°22°
Low, likely
62°17°–65°18°
Typical high / low
61°16° / 38°3°
Wind
20 mph32 km/h, gusts 34 mph55 km/h
UV peak
2
Monday, Nov 2. Cloudy. High 71°22°, low 61°16°. Typical 60°16° / 38°3°. Rain 0.29 in7.4 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 65°18°
  40% chance · 0.26 in6.7 mm
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  40% chance · 0.2 in5.2 mm
3. Evening
  6 PM–midnight
  Cloudy, 65°19°
  30% chance · 0.05 in1.2 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
69°21°–72°22°
Low, likely
57°14°–66°19°
Typical high / low
60°16° / 38°3°
Wind
13 mph21 km/h, gusts 26 mph42 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 73°, low 44°.
Tomorrow
Dry, high 77°, low 48°, warming up.
Monday
Dry, high 77°, low 49°.
Rest of week
Highs 70–78°; 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

Wabash River at Vincennes

18 mi

Below flood stage

Level: 4.2 ft
Flow: 4,970 cfs

Forecast peak 4.2 ft Sat 7 AM

Reading from Sat 3:45 AM · NWS gauge page

Wabash River at Mount Carmel

23 mi

Below flood stage

Level: 3.7 ft
Flow: 8,230 cfs

Forecast peak 3.7 ft Sat 7 AM

Reading from Sat 3:45 AM · NWS gauge page

Embarras River (IL) at Lawrenceville

11 mi

Below flood stage

Level: 16.6 ft
Flow: 58 cfs

Reading from Sat 3:45 AM · NWS gauge page

Embarras River (IL) at Ste Marie

17 mi

Below flood stage

Level: 0.8 ft
Flow: 68 cfs

Reading from Sat 3:45 AM · NWS gauge page

For your home

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

Heating this week

About 82% 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: 9
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?

Today, 10:00 AM–7:00 PM

Good stretch to open the windows.

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

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

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

Sun & moon

Sun

Daylight: 10 h 51 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 23 min less
Golden hour: 5:24–6:17 PM; Morning 6:53–7:46 AM
Blue hour: 6:17–6:27 PM; Morning 6:42–6:53 AM; first light 6:42 AM

Stars tonight? Good

Clear 5:22–6:42 AM; moon 96% lit but below the horizon.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:24 AM · rises 4:57 PM
Full moon: Oct 25
New moon: Nov 9

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

Sumner, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Wabash River at Vincennes

Wabash River at Mount Carmel

Embarras River (IL) at Lawrenceville

Embarras River (IL) at Ste Marie

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? Good

Moon