Observed 11:55 AM CDT at KEFT

Lake Summerset, IL weather

Sunny and 69°21°, 13°7° warmer than a typical Oct 24.

Forecasts agree

Now 69°21°

Sunny

Wind: 10 mph17 km/hgusts 17 mph28 km/h; From the south. 58–10 mph17 km/h through 1 AM
Dew point: 47°8°; Comfortable
UV index: 4Moderate; Moderate until 4 PM
Air quality: 57Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.36 inHg1028 hPa; Falling · −0.05 inHg−1.7 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 (70°21° then, 69°21° now)

Good hours for

High 71°22° today at 3 PM
Below 60°16° tonight after 9 PM
Low 50°10° tomorrow at 7 AM
Above 60°16° tomorrow by 10 AM

This afternoonNear 70°21° · Clear
TonightDown to 51°11° by 5 AM · Mostly cloudy
Tomorrow morningUp to 64°18° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 73°23° by 3 PM · Mostly cloudy
Tomorrow nightDown to 50°10° by 5 AM · Mostly cloudy
Monday morningUp to 59°15° by 11 AM · 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 1p	Sunny	69°21° (likely 67°19° to 69°21°)	69°21°	0%	10 mph16 km/h from S, gusts 15 mph25 km/h	45%	32%	4
Sat 2p	Sunny	70°21° (likely 68°20° to 71°22°)	70°21°	5%	10 mph16 km/h from S, gusts 16 mph25 km/h	42%	21%	3
Sat 3p	Sunny	71°22° (likely 69°21° to 71°22°)	71°22°	5%	10 mph16 km/h from S, gusts 16 mph25 km/h	42%	14%	3
Sat 4p	Sunny	71°22° (likely 68°20° to 71°22°)	71°22°	5%	10 mph16 km/h from S, gusts 16 mph26 km/h	42%	16%	2
Sat 5p	Mostly sunny	70°21° (likely 66°19° to 70°21°)	70°21°	5%	10 mph16 km/h from S, gusts 17 mph27 km/h	44%	38%	1
Sat 6p	Mostly clear	67°19° (likely 62°17° to 67°19°)	67°19°	5%	10 mph16 km/h from S, gusts 13 mph20 km/h	47%	48%	0
Sat 7p	Partly cloudy	62°17° (likely 60°16° to 62°17°)	62°17°	5%	5 mph8 km/h from SSE, gusts 13 mph21 km/h	56%	49%	0
Sat 8p	Mostly cloudy	60°16° (likely 58°14° to 61°16°)	60°16°	5%	5 mph8 km/h from S, gusts 13 mph20 km/h	61%	62%	0
Sat 9p	Partly cloudy	58°14° (likely 56°13° to 60°16°)	58°14°	5%	5 mph8 km/h from S, gusts 11 mph18 km/h	65%	59%	0
Sat 10p	Partly cloudy	58°14° (likely 55°13° to 59°15°)	58°14°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	67%	39%	0
Sat 11p	Partly cloudy	56°13° (likely 54°12° to 58°14°)	56°13°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	69%	76%	0
Sun 12a	Partly cloudy	55°13° (likely 54°12° to 58°14°)	55°13°	0%	5 mph8 km/h from S, gusts 10 mph17 km/h	70%	81%	0
Sun 1a	Partly cloudy	54°12° (likely 53°12° to 56°13°)	54°12°	5%	5 mph8 km/h from S, gusts 10 mph16 km/h	72%	69%	0
Sun 2a	Cloudy	53°12° (likely 52°11° to 55°13°)	53°12°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	74%	76%	0
Sun 3a	Partly cloudy	52°11° (likely 52°11° to 54°12°)	52°11°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	76%	55%	0
Sun 4a	Cloudy	52°11° (likely 51°11° to 53°12°)	52°11°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	77%	81%	0
Sun 5a	Cloudy	51°11° (likely 51°11° to 53°12°)	51°11°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	78%	81%	0
Sun 6a	Cloudy	51°11° (likely 51°11° to 52°11°)	48°9°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	79%	81%	0
Sun 7a	Cloudy	50°10° (likely 50°10° to 52°11°)	48°9°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	83%	81%	0
Sun 8a	Cloudy	51°11° (likely 51°11° to 53°12°)	49°9°	0%	5 mph8 km/h from SSW, gusts 10 mph16 km/h	83%	80%	0
Sun 9a	Cloudy	56°13° (likely 55°13° to 56°13°)	56°13°	0%	5 mph8 km/h from SSW, gusts 9 mph14 km/h	71%	79%	1
Sun 10a	Cloudy	60°16° (likely 59°15° to 61°16°)	60°16°	0%	5 mph8 km/h from SSW, gusts 13 mph21 km/h	63%	77%	1
Sun 11a	Partly sunny	64°18° (likely 62°17° to 66°19°)	64°18°	0%	5 mph8 km/h from SSW, gusts 13 mph22 km/h	56%	76%	2
Sun 12p	Partly sunny	68°20° (likely 66°19° to 69°21°)	68°20°	0%	5 mph8 km/h from SSW, gusts 12 mph20 km/h	50%	75%	3
Sun 1p	Partly sunny	70°21° (likely 68°20° to 72°22°)	70°21°	0%	5 mph8 km/h from SSW, gusts 12 mph19 km/h	46%	76%	3
Sun 2p	Partly sunny	72°22° (likely 70°21° to 74°23°)	72°22°	0%	5 mph8 km/h from SSW, gusts 10 mph17 km/h	43%	64%	3
Sun 3p	Cloudy	73°23° (likely 70°21° to 75°24°)	73°23°	0%	5 mph8 km/h from SSW, gusts 11 mph18 km/h	42%	77%	3
Sun 4p	Cloudy	73°23° (likely 70°21° to 75°24°)	73°23°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	43%	77%	2
Sun 5p	Partly sunny	71°22° (likely 68°20° to 73°23°)	71°22°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	47%	70%	1
Sun 6p	Cloudy	67°19° (likely 63°17° to 68°20°)	67°19°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	52%	72%	0
Sun 7p	Cloudy	63°17° (likely 61°16° to 64°18°)	63°17°	0%	5 mph8 km/h from S, gusts 6 mph10 km/h	62%	70%	0
Sun 8p	Partly cloudy	60°16° (likely 59°15° to 62°17°)	60°16°	0%	5 mph8 km/h from S, gusts 6 mph9 km/h	69%	73%	0
Sun 9p	Cloudy	58°14° (likely 58°14° to 61°16°)	58°14°	0%	5 mph8 km/h from SSW, gusts 5 mph8 km/h	73%	77%	0
Sun 10p	Cloudy	57°14° (likely 56°13° to 60°16°)	57°14°	0%	5 mph8 km/h from SSW, gusts 3 mph6 km/h	76%	81%	0
Sun 11p	Cloudy	56°13° (likely 56°13° to 57°14°)	56°13°	0%	5 mph8 km/h from WSW, gusts 9 mph14 km/h	78%	77%	0
Mon 12a	Cloudy	55°13° (likely 55°13° to 57°14°)	55°13°	0%	5 mph8 km/h from NW, gusts 10 mph16 km/h	80%	70%	0
Mon 1a	Cloudy	54°12° (likely 53°12° to 55°13°)	54°12°	0%	5 mph8 km/h from N, gusts 14 mph22 km/h	82%	67%	0
Mon 2a	Cloudy	53°12° (likely 52°11° to 54°12°)	53°12°	0%	5 mph8 km/h from N, gusts 13 mph21 km/h	83%	70%	0
Mon 3a	Cloudy	52°11° (likely 51°11° to 53°12°)	52°11°	0%	5 mph8 km/h from NNE, gusts 15 mph23 km/h	84%	73%	0
Mon 4a	Mostly cloudy	51°11° (likely 51°11° to 52°11°)	51°11°	0%	5 mph8 km/h from NNE, gusts 15 mph24 km/h	85%	79%	0
Mon 5a	Cloudy	50°10° (likely 50°10° to 52°11°)	48°9°	0%	5 mph8 km/h from NE, gusts 15 mph24 km/h	85%	86%	0
Mon 6a	Cloudy	50°10° (likely 50°10° to 52°11°)	47°8°	0%	5 mph8 km/h from NE, gusts 15 mph25 km/h	85%	88%	0
Mon 7a	Cloudy	50°10° (likely 50°10° to 52°11°)	47°8°	0%	5 mph8 km/h from NE, gusts 14 mph22 km/h	84%	91%	0
Mon 8a	Cloudy	52°11° (likely 50°10° to 52°11°)	52°11°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	83%	88%	0
Mon 9a	Cloudy	54°12° (likely 52°11° to 54°12°)	54°12°	0%	10 mph16 km/h from ENE, gusts 14 mph23 km/h	79%	94%	0
Mon 10a	Cloudy	57°14° (likely 54°12° to 57°14°)	57°14°	0%	10 mph16 km/h from ENE, gusts 15 mph24 km/h	75%	88%	1
Mon 11a	Cloudy	59°15° (likely 56°13° to 60°16°)	59°15°	0%	10 mph16 km/h from ENE, gusts 15 mph23 km/h	68%	79%	2
Mon 12p	Cloudy	61°16° (likely 58°14° to 64°18°)	61°16°	0%	10 mph16 km/h from ENE, gusts 15 mph23 km/h	62%	79%	2

Days ahead

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

Today, Oct 24. Cloudy. High 71°22°, low 50°10°. Typical 58°14° / 36°2°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
2. Evening
  6 PM–midnight
  Partly cloudy, 60°16°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 51°11°
  Dry
Official NWS forecast
Today: Partly sunny, with a high near 71. South wind around 10 mph.
Tonight: Partly cloudy, with a low around 50. South wind 5 to 10 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–71°22°
Low, likely
48°9°–51°11°
Typical high / low
58°14° / 36°2°
Wind
12 mph20 km/h, gusts 21 mph33 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 73°23°, low 50°10°. Typical 57°14° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 73, with temperatures falling to around 71 in the afternoon. South southwest wind around 5 mph.
Night: Mostly cloudy, with a low around 50. West wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–75°24°
Low, likely
50°10°–52°11°
Typical high / low
57°14° / 36°2°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 65°18°, low 45°7°. Typical 57°14° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 65. East northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Night: Mostly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–67°19°
Low, likely
45°7°–51°11°
Typical high / low
57°14° / 36°2°
Wind
14 mph22 km/h, gusts 22 mph35 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 66°19°, low 50°10°. Typical 56°13° / 35°2°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 66.
Night: Mostly cloudy, with a low around 50.
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 66°19°).
High, likely
64°18°–70°21°
Low, likely
46°8°–50°10°
Typical high / low
56°13° / 35°2°
Wind
13 mph21 km/h, gusts 25 mph40 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 71°22°, low 49°9°. Typical 56°13° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°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 71.
Night: A slight chance of rain showers. Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–74°23°
Low, likely
49°9°–57°14°
Typical high / low
56°13° / 35°2°
Wind
14 mph23 km/h, gusts 28 mph46 km/h
UV peak
4
Thursday, Oct 29. Showers. High 67°19°, low 45°7°. Typical 55°13° / 34°1°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Mostly sunny, with a high near 67.
Night: A slight chance of rain showers. Partly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–72°22°
Low, likely
45°7°–60°16°
Typical high / low
55°13° / 34°1°
Wind
13 mph22 km/h, gusts 33 mph54 km/h
UV peak
2
Friday, Oct 30. Showers. High 66°19°, low 47°8°. Typical 55°13° / 34°1°. Rain 0.07 in1.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°14°
  20% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 71°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 60°15°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 66.
Night: A chance of rain showers. Mostly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
66°19°–74°23°
Low, likely
47°8°–58°14°
Typical high / low
55°13° / 34°1°
Wind
18 mph29 km/h, gusts 30 mph49 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 69°21°, low 57°14°. Typical 54°12° / 34°1°. Rain 0.19 in4.8 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 60°16°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  40% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  50% chance · 0.14 in3.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  50% chance · 0.14 in3.6 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
54°12°–59°15°
Typical high / low
54°12° / 34°1°
Wind
21 mph34 km/h, gusts 30 mph49 km/h
UV peak
2
Sunday, Nov 1. Rain. High 63°17°, low 54°12°. Typical 54°12° / 33°1°. Rain 0.52 in13 mm, 60% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  50% chance · 0.17 in4.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 63°17°
  40% chance · 0.11 in2.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 60°15°
  40% chance · 0.13 in3.2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 47°8°
  40% 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 agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–64°18°
Low, likely
51°11°–59°15°
Typical high / low
54°12° / 33°1°
Wind
22 mph35 km/h, gusts 33 mph54 km/h
UV peak
1
Monday, Nov 2. Drizzle. High 56°13°, low 46°8°. Typical 53°12° / 33°1°. Rain 0.24 in6.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 48°9°
  30% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 56°13°
  30% chance · 0.13 in3.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 51°11°
  30% chance · 0.22 in5.7 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
50°10°–66°19°
Low, likely
37°3°–60°16°
Typical high / low
53°12° / 33°1°
Wind
21 mph33 km/h, gusts 42 mph67 km/h

10 days15 days30 days

The outlook

Today
Dry, high 71°, low 50°.
Tomorrow
Dry, high 73°, low 50°.
Monday
Dry, high 65°, low 45°, cooling off.
Rest of week
Highs 56–71°; chance of precipitation on Saturday, Sunday, Monday.

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

Sugar River at Brodhead

11 mi

Below flood stage

Level: 1.3 ft
Flow: 352 cfs

Reading from Sat 12 PM · NWS gauge page

Pecatonica River near Shirland

11 mi

Below flood stage

Level: 5.7 ft
Flow: 1,730 cfs

Reading from Sat 12 PM · NWS gauge page

Pecatonica River at Freeport

16 mi

Below flood stage

Level: 5.3 ft
Flow: 992 cfs

Reading from Sat 11:30 AM · NWS gauge page

Rock River at Rockton

16 mi

Below flood stage

Level: 4.8 ft
Flow: 4,160 cfs

Reading from Sat 11:30 AM · NWS gauge page

For your home

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

Heating this week

About 89% less heating than a typical week.

This week 14Typical 135

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 47°F).

Open the windows?

Today, 2:00 PM–8:00 PM

Good stretch to open the windows.

Is this typical?

Brodhead Wwtp · official normals 1991–2020 · records 1897–2026

Oct 24, today vs a typical year

Today’s expected high is 13°7° warmer than typical.

Last 7 days vs normal

On average 5°3° warmer than normal (daily mean temperature).

−5°−3°SunOct 18
+3°+1°MonOct 19
+4°+2°TueOct 20
+6°+3°WedOct 21
+8°+4°ThuOct 22
+11°+6°FriOct 23
+12°+6°SatOct 24

Lake Summerset weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 40 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 36 min less
Golden hour: 5:22–6:19 PM; Morning 7:03–8:00 AM
Blue hour: 6:19–6:30 PM; Morning 6:52–7:03 AM; first light 6:52 AM

Stars tonight? Poor

Clouds most of the night (about 66% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:34 AM · rises 4:59 PM
Full moon: Oct 25
New moon: Nov 9

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

Lake Summerset, IL weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Sugar River at Brodhead

Pecatonica River near Shirland

Pecatonica River at Freeport

Rock River at Rockton

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? Poor

Moon