Observed 10:52 AM CDT at KSPI

Rochester, IL weather

Sunny and 69°21°, 12°7° warmer than a typical Oct 23.

Mostly agree

Now 69°21°

Sunny

Wind: 10 mph17 km/h; From the south. 58–10 mph17 km/h through 11 PM
Dew point: 47°8°; Comfortable
UV index: 3Moderate; Moderate until 4 PM · peak 4
Air quality: 55Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.32 inHg1027 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

Good hours for

High 76°24° today at 4 PM
Below 60°16° tonight after 9 PM
Low 48°9° tomorrow at 7 AM
Above 60°16° tomorrow by 10 AM

This afternoonUp to 76°24° by 4 PM · Clear
TonightDown to 49°9° by 5 AM · Partly cloudy
Tomorrow morningUp to 67°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 75°24° by 4 PM · Mostly cloudy
Tomorrow nightDown to 49°9° by 5 AM · Partly cloudy
Sunday morningUp to 62°17° by 10 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 11a	Sunny	67°19° (likely 65°18° to 68°20°)	67°19°	0%	7 mph11 km/h from SSE, gusts 11 mph17 km/h	52%	0%	3
Fri 12p	Sunny	71°22° (likely 68°20° to 71°22°)	71°22°	0%	7 mph11 km/h from SSE, gusts 10 mph16 km/h	44%	0%	4
Fri 1p	Sunny	73°23° (likely 71°22° to 73°23°)	73°23°	0%	7 mph11 km/h from SSE, gusts 9 mph14 km/h	40%	1%	4
Fri 2p	Sunny	74°23° (likely 72°22° to 74°23°)	74°23°	0%	7 mph11 km/h from SSE, gusts 9 mph15 km/h	39%	2%	4
Fri 3p	Sunny	75°24° (likely 72°22° to 75°24°)	75°24°	0%	6 mph10 km/h from SSE, gusts 9 mph14 km/h	38%	2%	3
Fri 4p	Sunny	76°24° (likely 72°22° to 76°24°)	76°24°	0%	6 mph10 km/h from SE, gusts 9 mph14 km/h	36%	8%	1
Fri 5p	Sunny	74°23° (likely 69°21° to 74°23°)	74°23°	0%	6 mph10 km/h from SE, gusts 8 mph13 km/h	38%	8%	0
Fri 6p	Clear	71°22° (likely 64°18° to 71°22°)	71°22°	0%	6 mph10 km/h from SE, gusts 8 mph14 km/h	44%	9%	0
Fri 7p	Clear	66°19° (likely 61°16° to 66°19°)	66°19°	0%	5 mph8 km/h from ESE, gusts 9 mph14 km/h	52%	1%	0
Fri 8p	Clear	60°16° (likely 58°14° to 61°16°)	60°16°	0%	5 mph8 km/h from ESE, gusts 10 mph16 km/h	62%	1%	0
Fri 9p	Mostly clear	58°14° (likely 56°13° to 59°15°)	58°14°	0%	6 mph10 km/h from SE, gusts 11 mph18 km/h	64%	10%	0
Fri 10p	Clear	56°13° (likely 55°13° to 57°14°)	56°13°	0%	6 mph10 km/h from SE, gusts 12 mph19 km/h	69%	0%	0
Fri 11p	Clear	55°13° (likely 54°12° to 56°13°)	55°13°	0%	6 mph10 km/h from SE, gusts 12 mph19 km/h	72%	4%	0
Sat 12a	Mostly clear	55°13° (likely 52°11° to 55°13°)	55°13°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	69%	18%	0
Sat 1a	Clear	54°12° (likely 51°11° to 54°12°)	54°12°	0%	5 mph8 km/h from SE, gusts 11 mph17 km/h	71%	30%	0
Sat 2a	Clear	52°11° (likely 49°9° to 53°12°)	52°11°	0%	5 mph8 km/h from SE, gusts 10 mph15 km/h	77%	37%	0
Sat 3a	Cloudy	51°11° (likely 48°9° to 52°11°)	51°11°	0%	5 mph8 km/h from SE, gusts 8 mph14 km/h	80%	78%	0
Sat 4a	Mostly clear	50°10° (likely 48°9° to 51°11°)	48°9°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	83%	66%	0
Sat 5a	Cloudy	49°9° (likely 47°8° to 51°11°)	47°8°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	86%	84%	0
Sat 6a	Cloudy	49°9° (likely 46°8° to 50°10°)	47°8°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	86%	77%	0
Sat 7a	Mostly sunny	48°9° (likely 45°7° to 50°10°)	46°8°	0%	5 mph8 km/h from SE, gusts 9 mph15 km/h	89%	71%	0
Sat 8a	Mostly sunny	49°9° (likely 46°8° to 51°11°)	47°8°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	86%	80%	0
Sat 9a	Mostly sunny	54°12° (likely 53°12° to 55°13°)	54°12°	0%	5 mph8 km/h from SSE, gusts 11 mph17 km/h	80%	78%	1
Sat 10a	Cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	0%	6 mph10 km/h from SSE, gusts 12 mph19 km/h	65%	77%	2
Sat 11a	Cloudy	67°19° (likely 64°18° to 67°19°)	67°19°	0%	6 mph10 km/h from SSE, gusts 12 mph19 km/h	54%	79%	3
Sat 12p	Partly sunny	70°21° (likely 68°20° to 71°22°)	70°21°	0%	6 mph10 km/h from SSE, gusts 11 mph17 km/h	47%	69%	4
Sat 1p	Partly sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	7 mph11 km/h from SSE, gusts 10 mph15 km/h	41%	72%	4
Sat 2p	Partly sunny	74°23° (likely 71°22° to 74°23°)	74°23°	0%	7 mph11 km/h from SSE, gusts 9 mph15 km/h	38%	75%	4
Sat 3p	Cloudy	74°23° (likely 72°22° to 75°24°)	74°23°	0%	7 mph11 km/h from SSE, gusts 9 mph15 km/h	37%	67%	3
Sat 4p	Partly sunny	75°24° (likely 71°22° to 75°24°)	75°24°	0%	6 mph10 km/h from SSE, gusts 9 mph15 km/h	36%	50%	2
Sat 5p	Cloudy	73°23° (likely 69°21° to 74°23°)	73°23°	0%	6 mph10 km/h from SSE, gusts 9 mph14 km/h	38%	58%	1
Sat 6p	Partly cloudy	70°21° (likely 64°18° to 70°21°)	70°21°	0%	6 mph10 km/h from SSE, gusts 9 mph14 km/h	44%	42%	0
Sat 7p	Clear	66°19° (likely 60°16° to 66°19°)	66°19°	0%	5 mph8 km/h from SE, gusts 8 mph14 km/h	50%	38%	0
Sat 8p	Partly cloudy	60°16° (likely 58°14° to 62°17°)	60°16°	0%	5 mph8 km/h from SE, gusts 9 mph15 km/h	62%	22%	0
Sat 9p	Clear	58°14° (likely 56°13° to 60°16°)	58°14°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	67%	39%	0
Sat 10p	Clear	56°13° (likely 54°12° to 58°14°)	56°13°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	69%	40%	0
Sat 11p	Clear	55°13° (likely 53°12° to 57°14°)	55°13°	0%	3 mph5 km/h from SSE, gusts 11 mph17 km/h	72%	42%	0
Sun 12a	Mostly clear	54°12° (likely 52°11° to 56°13°)	54°12°	0%	3 mph5 km/h from SSE, gusts 10 mph17 km/h	71%	44%	0
Sun 1a	Mostly clear	53°12° (likely 51°11° to 54°12°)	53°12°	0%	3 mph5 km/h from SSE, gusts 10 mph16 km/h	74%	46%	0
Sun 2a	Clear	52°11° (likely 50°10° to 53°12°)	52°11°	0%	3 mph5 km/h from SSE, gusts 9 mph15 km/h	77%	46%	0
Sun 3a	Partly cloudy	51°11° (likely 49°9° to 52°11°)	51°11°	0%	3 mph5 km/h from SSE, gusts 8 mph13 km/h	80%	33%	0
Sun 4a	Partly cloudy	50°10° (likely 48°9° to 51°11°)	49°9°	0%	3 mph5 km/h from SSE, gusts 8 mph13 km/h	83%	53%	0
Sun 5a	Partly cloudy	49°9° (likely 48°9° to 51°11°)	49°9°	0%	2 mph3 km/h from SSE, gusts 8 mph13 km/h	83%	44%	0
Sun 6a	Partly cloudy	49°9° (likely 47°8° to 51°11°)	49°9°	0%	2 mph3 km/h from SSE, gusts 8 mph13 km/h	83%	46%	0
Sun 7a	Partly sunny	48°9° (likely 47°8° to 52°11°)	48°9°	0%	2 mph3 km/h from SSE, gusts 8 mph13 km/h	86%	58%	0
Sun 8a	Partly sunny	53°12° (likely 46°8° to 56°13°)	53°12°	0%	2 mph3 km/h from SSE, gusts 6 mph10 km/h	77%	54%	0
Sun 9a	Partly sunny	57°14° (likely 53°12° to 60°16°)	57°14°	0%	2 mph3 km/h from S, gusts 7 mph12 km/h	72%	49%	1
Sun 10a	Partly sunny	62°17° (likely 60°16° to 65°18°)	62°17°	0%	2 mph3 km/h from S, gusts 9 mph15 km/h	65%	55%	2

Days ahead

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

Today, Oct 23. Mostly sunny. High 76°24°, low 48°9°. Typical 64°18° / 42°6°. Dry. Mostly agree. Best day outdoors this week.
1. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
2. Evening
  6 PM–midnight
  Mostly clear, 60°16°
  Dry
3. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Official NWS forecast
Today: Sunny, with a high near 76. South southeast wind around 7 mph.
Tonight: Mostly clear, with a low around 48. Southeast wind around 6 mph.
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 76°24°).
High, likely
72°22°–76°24°
Low, likely
46°8°–48°9°
Typical high / low
64°18° / 42°6°
Wind
9 mph14 km/h, gusts 17 mph28 km/h
UV peak
4
Tomorrow, Oct 24. Cloudy. High 75°24°, low 48°9°. Typical 64°18° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 75. South southeast wind around 7 mph.
Night: Partly cloudy, with a low around 48. South southeast wind 2 to 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
45°7°–49°9°
Typical high / low
64°18° / 42°6°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
4
Sunday, Oct 25. Cloudy. High 77°25°, low 48°9°. Typical 63°17° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 53°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: Mostly sunny, with a high near 77. South wind around 3 mph.
Night: Partly cloudy, with a low around 48. South wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–77°25°
Low, likely
47°8°–51°11°
Typical high / low
63°17° / 42°6°
Wind
8 mph12 km/h, gusts 15 mph24 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 77°25°, low 50°10°. Typical 62°17° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 77. South wind 0 to 3 mph.
Night: Mostly cloudy, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
74°23°–77°25°
Low, likely
50°10°–56°13°
Typical high / low
62°17° / 41°5°
Wind
7 mph12 km/h, gusts 13 mph21 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 74°23°, low 49°9°. Typical 62°17° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  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 49.
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
62°17° / 41°5°
Wind
9 mph14 km/h, gusts 20 mph33 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 75°24°, low 50°10°. Typical 62°17° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 75.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
50°10°–55°13°
Typical high / low
62°17° / 41°5°
Wind
12 mph19 km/h, gusts 22 mph35 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 74°23°, low 48°9°. Typical 61°16° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74.
Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–77°25°
Low, likely
42°6°–58°14°
Typical high / low
61°16° / 40°4°
Wind
14 mph23 km/h, gusts 33 mph53 km/h
UV peak
3
Friday, Oct 30. Rain. High 64°18°, low 48°9°. Typical 60°16° / 40°4°. Rain 0.15 in3.8 mm, 10% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 48°9°
  20% chance · 0.02 in0.6 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
55°13°–73°23°
Low, likely
41°5°–55°13°
Typical high / low
60°16° / 40°4°
Wind
11 mph17 km/h, gusts 20 mph33 km/h
Saturday, Oct 31. Cloudy. High 65°18°, low 50°10°. Typical 60°16° / 40°4°. Rain 0.1 in2.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 50°10°
  30% chance · 0.02 in0.6 mm
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  30% chance
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
58°14°–71°22°
Low, likely
44°7°–59°15°
Typical high / low
60°16° / 40°4°
Wind
11 mph18 km/h, gusts 22 mph35 km/h
UV peak
1
Sunday, Nov 1. Cloudy. High 68°20°, low 57°14°. Typical 60°16° / 39°4°. Rain 0.14 in3.6 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  30% chance
2. Afternoon
  noon–6 PM
  Mostly sunny, 66°19°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  20% chance
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
67°19°–68°20°
Low, likely
56°13°–58°14°
Typical high / low
60°16° / 39°4°
Wind
12 mph19 km/h, gusts 25 mph40 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 76°, low 48°.
Tomorrow
Dry, high 75°, low 48°.
Sunday
Dry, high 77°, low 48°.
Rest of week
Mostly dry, highs 64–77°.

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

South Fork Sangamon River near Rochester

2.4 mi

Level: 5.0 ft
Flow: 5 cfs

Reading from Fri 9:45 AM · NWS gauge page

South Fork Sangamon River below Rochester - AUX

2.5 mi

Level: 4.4 ft

Reading from Fri 9:30 AM · NWS gauge page

Sugar Creek (W-Central IL) near Springfield

4.5 mi

Level: 9.8 ft
Flow: 12 cfs

Reading from Fri 9:30 AM · NWS gauge page

Sangamon River at Riverton

7.1 mi

Below flood stage

Level: 2.2 ft
Flow: 92 cfs

Reading from Fri 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 84% less heating than a typical week.

This week 14Typical 92

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 47°F).

Open the windows?

Today, 12:00 PM–8:00 PM

Good stretch to open the windows.

Is this typical?

Springfield Abraham Lincoln Capital Airport · official normals 1991–2020 · records 1879–2026

Oct 23, today vs a typical year

Today’s expected high is 12°7° warmer than typical.

Last 7 days vs normal

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

−8°−5°SatOct 17
−3°−2°SunOct 18
−1°MonOct 19
+1°TueOct 20
+4°+2°WedOct 21
+14°+8°ThuOct 22
—FriOct 23

Rochester 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 29 min less
Golden hour: 5:30–6:24 PM; Morning 7:00–7:54 AM
Blue hour: 6:24–6:34 PM; Morning 6:49–7:00 AM; first light 6:49 AM

Stars tonight? Fair

Mostly clear 6:34 PM–1 AM, but the moon is 95% lit and up.

Moon

Waxing gibbous

92% lit · growing

Today: sets 4:24 AM · rises 4:38 PM
Full moon: Oct 25
New moon: Nov 9

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