Observed 4:30 AM CDT at KDEC

Assumption, IL weather

Clear and 43°6°, 10°6° warmer than a typical Oct 24.

Forecasts agree

Now 43°6°

Clear

Wind: 5 mph7 km/h; From the east-northeast. 35–6 mph10 km/h through 4 PM
Dew point: 39°4°; Comfortable · up to 48°9° by 9 AM
UV index: 0Low; Moderate 11 AM–3 PM · peak 4
Air quality: 49Good; PM2.5 (fine particles) · tomorrow moderate
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

Good hours for

Low 45°7° today at 6 AM
Above 60°16° today by 10 AM
High 74°23° today at 4 PM
Below 60°16° tonight after 8 PM

TonightNear 47°8° · Partly cloudy
This morningUp to 66°19° by 11 AM · Partly cloudy
This afternoonUp to 74°23° by 4 PM · Mostly cloudy
TonightDown to 47°8° by 4 AM · Partly cloudy
Tomorrow morningUp to 68°20° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 77°25° by 4 PM · Mostly cloudy
Tomorrow nightDown to 51°11° by 3 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 4a	Mostly clear	47°8° (likely 47°8° to 50°10°)	46°8°	0%	3 mph5 km/h from SE, gusts 9 mph15 km/h	83%	17%	0
Sat 5a	Mostly clear	46°8° (likely 46°8° to 49°9°)	45°7°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	86%	34%	0
Sat 6a	Mostly clear	45°7° (likely 45°7° to 49°9°)	44°7°	0%	3 mph5 km/h from ESE, gusts 7 mph12 km/h	86%	36%	0
Sat 7a	Mostly sunny	45°7° (likely 45°7° to 49°9°)	44°7°	0%	3 mph5 km/h from ESE, gusts 7 mph11 km/h	86%	35%	0
Sat 8a	Partly sunny	48°9° (likely 46°8° to 51°11°)	46°8°	0%	5 mph8 km/h from SE, gusts 8 mph12 km/h	85%	30%	0
Sat 9a	Partly sunny	53°12° (likely 53°12° to 55°13°)	53°12°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	83%	65%	1
Sat 10a	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	6 mph10 km/h from SE, gusts 11 mph18 km/h	67%	38%	2
Sat 11a	Cloudy	66°19° (likely 65°18° to 67°19°)	66°19°	0%	6 mph10 km/h from SE, gusts 11 mph17 km/h	52%	78%	3
Sat 12p	Cloudy	69°21° (likely 68°20° to 71°22°)	69°21°	0%	6 mph10 km/h from SE, gusts 10 mph16 km/h	45%	78%	4
Sat 1p	Cloudy	72°22° (likely 70°21° to 73°23°)	72°22°	0%	6 mph10 km/h from SE, gusts 8 mph13 km/h	38%	79%	4
Sat 2p	Cloudy	73°23° (likely 72°22° to 74°23°)	73°23°	0%	6 mph10 km/h from SE, gusts 8 mph13 km/h	35%	78%	3
Sat 3p	Cloudy	73°23° (likely 72°22° to 74°23°)	73°23°	0%	6 mph10 km/h from SE, gusts 9 mph15 km/h	34%	79%	2
Sat 4p	Cloudy	74°23° (likely 71°22° to 74°23°)	74°23°	0%	6 mph10 km/h from SE, gusts 9 mph15 km/h	33%	65%	1
Sat 5p	Cloudy	72°22° (likely 69°21° to 72°22°)	72°22°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	37%	80%	0
Sat 6p	Mostly clear	69°21° (likely 64°18° to 69°21°)	69°21°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	42%	61%	0
Sat 7p	Cloudy	64°18° (likely 62°17° to 64°18°)	64°18°	0%	3 mph5 km/h from ESE, gusts 8 mph12 km/h	50%	66%	0
Sat 8p	Mostly clear	58°14° (likely 58°14° to 60°16°)	58°14°	0%	3 mph5 km/h from ESE, gusts 8 mph12 km/h	62%	53%	0
Sat 9p	Mostly clear	56°13° (likely 56°13° to 58°14°)	56°13°	0%	2 mph3 km/h from SE, gusts 10 mph15 km/h	64%	40%	0
Sat 10p	Clear	55°13° (likely 55°13° to 57°14°)	55°13°	0%	2 mph3 km/h from SE, gusts 10 mph16 km/h	69%	6%	0
Sat 11p	Clear	54°12° (likely 54°12° to 56°13°)	54°12°	0%	2 mph3 km/h from SE, gusts 10 mph16 km/h	71%	40%	0
Sun 12a	Clear	52°11° (likely 52°11° to 55°13°)	52°11°	0%	2 mph3 km/h from SE, gusts 10 mph15 km/h	74%	40%	0
Sun 1a	Clear	51°11° (likely 51°11° to 54°12°)	51°11°	0%	2 mph3 km/h from SE, gusts 9 mph15 km/h	80%	27%	0
Sun 2a	Mostly clear	50°10° (likely 50°10° to 53°12°)	50°10°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	83%	66%	0
Sun 3a	Mostly clear	49°9° (likely 49°9° to 52°11°)	49°9°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	86%	82%	0
Sun 4a	Cloudy	47°8° (likely 47°8° to 51°11°)	47°8°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	93%	70%	0
Sun 5a	Mostly clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	93%	81%	0
Sun 6a	Mostly clear	47°8° (likely 47°8° to 49°9°)	47°8°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	89%	84%	0
Sun 7a	Mostly sunny	45°7° (likely 45°7° to 49°9°)	45°7°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	96%	74%	0
Sun 8a	Mostly sunny	47°8° (likely 47°8° to 51°11°)	47°8°	0%	2 mph3 km/h from SSE, gusts 7 mph12 km/h	89%	71%	0
Sun 9a	Mostly sunny	54°12° (likely 54°12° to 57°14°)	54°12°	0%	2 mph3 km/h from SSE, gusts 8 mph12 km/h	80%	66%	1
Sun 10a	Mostly sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	3 mph5 km/h from SSE, gusts 9 mph15 km/h	62%	60%	2
Sun 11a	Mostly sunny	68°20° (likely 66°19° to 69°21°)	68°20°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	51%	65%	3
Sun 12p	Cloudy	72°22° (likely 70°21° to 73°23°)	72°22°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	43%	76%	4
Sun 1p	Partly sunny	74°23° (likely 73°23° to 76°24°)	74°23°	0%	2 mph3 km/h from S, gusts 6 mph9 km/h	38%	73%	4
Sun 2p	Cloudy	75°24° (likely 74°23° to 77°25°)	75°24°	0%	2 mph3 km/h from S, gusts 5 mph9 km/h	36%	78%	3
Sun 3p	Cloudy	76°24° (likely 74°23° to 77°25°)	76°24°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	33%	79%	3
Sun 4p	Cloudy	77°25° (likely 74°23° to 77°25°)	77°25°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	32%	79%	2
Sun 5p	Partly sunny	75°24° (likely 71°22° to 76°24°)	75°24°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	37%	69%	1
Sun 6p	Partly cloudy	72°22° (likely 66°19° to 72°22°)	72°22°	0%	0 mph0 km/h, gusts 5 mph8 km/h	41%	73%	0
Sun 7p	Cloudy	67°19° (likely 63°17° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 6 mph10 km/h	50%	65%	0
Sun 8p	Cloudy	61°16° (likely 61°16° to 63°17°)	61°16°	0%	0 mph0 km/h, gusts 6 mph10 km/h	60%	64%	0
Sun 9p	Cloudy	59°15° (likely 59°15° to 61°16°)	59°15°	0%	0 mph0 km/h, gusts 8 mph12 km/h	64%	59%	0
Sun 10p	Cloudy	57°14° (likely 57°14° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 8 mph12 km/h	69%	73%	0
Sun 11p	Cloudy	56°13° (likely 56°13° to 59°15°)	56°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	72%	84%	0
Mon 12a	Cloudy	54°12° (likely 54°12° to 59°15°)	54°12°	0%	0 mph0 km/h, gusts 7 mph11 km/h	74%	86%	0
Mon 1a	Cloudy	53°12° (likely 53°12° to 58°14°)	53°12°	0%	0 mph0 km/h, gusts 6 mph9 km/h	77%	89%	0
Mon 2a	Cloudy	52°11° (likely 52°11° to 60°16°)	52°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	80%	92%	0
Mon 3a	Mostly cloudy	51°11° (likely 51°11° to 59°15°)	51°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	83%	86%	0

Days ahead

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

Today, Oct 24. Cloudy. High 74°23°, low 45°7°. Typical 64°18° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 47°8°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 74. Southeast wind around 6 mph.
Tonight: Mostly clear, with a low around 45. Southeast wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–74°23°
Low, likely
45°7°–49°9°
Typical high / low
64°18° / 41°5°
Wind
9 mph14 km/h, gusts 15 mph24 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
  Cloudy, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 51°11°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 77. South southeast wind around 3 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
74°23°–78°26°
Low, likely
46°8°–49°9°
Typical high / low
64°18° / 41°5°
Wind
7 mph12 km/h, gusts 14 mph22 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 77°25°, low 49°9°. Typical 63°17° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  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, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 77. South southwest wind around 2 mph.
Night: Partly cloudy, with a low around 49. South southeast wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
75°24°–77°25°
Low, likely
49°9°–55°13°
Typical high / low
63°17° / 40°4°
Wind
7 mph10 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, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  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
71°22°–74°23°
Low, likely
49°9°–57°14°
Typical high / low
63°17° / 40°4°
Wind
9 mph15 km/h, gusts 23 mph36 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 78°26°, low 51°11°. Typical 62°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  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 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–78°26°
Low, likely
51°11°–55°13°
Typical high / low
62°17° / 40°4°
Wind
11 mph18 km/h, gusts 21 mph33 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 77°25°, low 48°9°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 78°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 77.
Night: Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–79°26°
Low, likely
48°9°–57°14°
Typical high / low
62°17° / 39°4°
Wind
14 mph23 km/h, gusts 27 mph43 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 75°24°, low 55°13°. Typical 61°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 75.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–80°27°
Low, likely
53°12°–58°14°
Typical high / low
61°16° / 39°4°
Wind
10 mph17 km/h, gusts 27 mph43 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 74°23°, low 59°15°. Typical 61°16° / 38°3°. Rain 0.11 in2.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 63°17°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 68°20°
  30% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 62°17°
  40% chance · 0.06 in1.6 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
70°21°–80°27°
Low, likely
56°13°–61°16°
Typical high / low
61°16° / 38°3°
Wind
14 mph22 km/h, gusts 29 mph47 km/h
UV peak
2
Sunday, Nov 1. Drizzle. High 69°21°, low 61°16°. Typical 60°16° / 38°3°. Rain 0.39 in9.9 mm, 50% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 63°17°
  40% chance · 0.09 in2.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 68°20°
  40% chance · 0.13 in3.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 66°19°
  40% chance
4. Overnight
  midnight–6 AM
  Cloudy, 62°16°
  40% chance · 0.08 in2 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
68°20°–70°21°
Low, likely
56°13°–64°18°
Typical high / low
60°16° / 38°3°
Wind
24 mph38 km/h, gusts 42 mph67 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 69°21°, low 61°16°. Typical 60°16° / 38°3°. Rain 0.41 in10 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 64°18°
  30% chance · 0.14 in3.5 mm
2. Afternoon
  noon–6 PM
  Rain, 67°19°
  20% chance · 0.28 in7.2 mm
3. Evening
  6 PM–midnight
  Rain, 66°19°
  20% chance · 0.16 in4 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
67°19°–71°22°
Low, likely
58°14°–65°18°
Typical high / low
60°16° / 38°3°
Wind
16 mph25 km/h, gusts 32 mph51 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 74°, low 45°.
Tomorrow
Dry, high 77°, low 48°, warming up.
Monday
Dry, high 77°, low 49°.
Rest of week
Highs 69–78°; 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

Robinson Creek (IL) near Shelbyville

11 mi

Level: 2.8 ft
Flow: 55 cfs

Reading from Sat 3 AM · NWS gauge page

Kaskaskia River at Shelbyville

16 mi

Below flood stage

Level: 536 ft
Flow: 70 cfs

Reading from Sat 3 AM · NWS gauge page

Sangamon River at Decatur

22 mi

Level: 1.8 ft
Flow: under 1 cfs

Reading from Sat 2:45 AM · NWS gauge page

Kaskaskia River near Cowden

23 mi

Below flood stage

Level: 2.3 ft
Flow: 62 cfs

Reading from Sat 3 AM · NWS gauge page

For your home

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

Heating this week

About 84% less heating than a typical week.

This week 15Typical 96

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 8
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 39°F).

Open the windows?

Today, 10:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

Pana · official normals 1991–2020 · records 1890–2026

Oct 24, today vs a typical year

Today’s expected high is 10°6° warmer than typical.

Last 7 days vs normal

On average 2°1° warmer than normal (daily mean temperature).

−7°−4°SunOct 18
−3°−2°MonOct 19
+2°+1°TueOct 20
+6°+3°WedOct 21
+7°+4°ThuOct 22
+10°+5°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 26 min less
Golden hour: 5:27–6:21 PM; Morning 6:58–7:53 AM
Blue hour: 6:21–6:31 PM; Morning 6:48–6:58 AM; first light 6:48 AM

Stars tonight? Poor

Clouds most of the night (about 29% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:30 AM · rises 5:01 PM
Full moon: Oct 25
New moon: Nov 9

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

Assumption, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Robinson Creek (IL) near Shelbyville

Kaskaskia River at Shelbyville

Sangamon River at Decatur

Kaskaskia River near Cowden

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? Poor

Moon