Observed 11:15 AM CDT at KSAR

Chester, IL weather

Sunny and 67°19°, 10°6° warmer than a typical Oct 24.

Mostly agree

Now 67°19°

Sunny

Wind: Calm; Up to 5 mph8 km/h through 11 PM
Dew point: 44°7°; Comfortable
UV index: 3Moderate; Moderate until 4 PM · peak 5
Air quality: 43Good; Main pollutant: Ozone
Pressure: 30.39 inHg1029 hPa; Falling 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 (69°20° then, 67°19° now)

Good hours for

High 75°24° today at 3 PM
Below 60°16° tonight after 9 PM
Fog tomorrow 7–8 AM
Low 47°8° tomorrow at 7 AM
Above 60°16° tomorrow by 10 AM

This afternoonUp to 75°24° by 3 PM · Partly cloudy
TonightDown to 49°9° by 4 AM · Partly cloudy
Tomorrow morningUp to 67°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 77°25° by 2 PM · Mostly cloudy
Tomorrow nightDown to 51°11° by 5 AM · Cloudy
Monday morningUp to 61°16° by 10 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 11a	Partly sunny	65°18° (likely 63°17° to 67°19°)	65°18°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	52%	53%	3
Sat 12p	Partly sunny	70°21° (likely 67°19° to 71°22°)	70°21°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	44%	59%	4
Sat 1p	Cloudy	72°22° (likely 70°21° to 74°23°)	72°22°	0%	5 mph8 km/h from SE, gusts 5 mph9 km/h	39%	67%	5
Sat 2p	Partly sunny	74°23° (likely 72°22° to 76°24°)	74°23°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	37%	54%	4
Sat 3p	Cloudy	75°24° (likely 72°22° to 77°25°)	75°24°	0%	5 mph8 km/h from E, gusts 6 mph10 km/h	34%	64%	3
Sat 4p	Cloudy	75°24° (likely 72°22° to 76°24°)	75°24°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	34%	63%	1
Sat 5p	Partly sunny	74°23° (likely 69°21° to 75°24°)	74°23°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	35%	51%	1
Sat 6p	Clear	70°21° (likely 64°18° to 70°21°)	70°21°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	41%	3%	0
Sat 7p	Partly cloudy	64°18° (likely 61°16° to 64°18°)	64°18°	0%	2 mph3 km/h from E, gusts 8 mph12 km/h	52%	34%	0
Sat 8p	Clear	61°16° (likely 57°14° to 62°17°)	61°16°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	58%	41%	0
Sat 9p	Partly cloudy	58°14° (likely 55°13° to 60°16°)	58°14°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	64%	48%	0
Sat 10p	Partly cloudy	56°13° (likely 53°12° to 58°14°)	56°13°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	69%	23%	0
Sat 11p	Partly cloudy	54°12° (likely 51°11° to 57°14°)	54°12°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	74%	54%	0
Sun 12a	Partly cloudy	53°12° (likely 50°10° to 56°13°)	53°12°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	77%	41%	0
Sun 1a	Clear	52°11° (likely 49°9° to 55°13°)	52°11°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	80%	7%	0
Sun 2a	Partly cloudy	51°11° (likely 47°8° to 54°12°)	51°11°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	83%	28%	0
Sun 3a	Partly cloudy	50°10° (likely 46°8° to 54°12°)	50°10°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	86%	53%	0
Sun 4a	Mostly clear	49°9° (likely 45°7° to 54°12°)	49°9°	0%	1 mph2 km/h from SE, gusts 3 mph6 km/h	89%	61%	0
Sun 5a	Mostly clear	49°9° (likely 44°7° to 53°12°)	49°9°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	89%	67%	0
Sun 6a	Mostly clear	48°9° (likely 43°6° to 52°11°)	48°9°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	93%	72%	0
Sun 7a	Fog	47°8° (likely 42°6° to 51°11°)	47°8°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	96%	75%	0
Sun 8a	Cloudy	49°9° (likely 43°6° to 52°11°)	49°9°	0%	1 mph2 km/h from S, gusts 5 mph9 km/h	93%	77%	0
Sun 9a	Partly sunny	55°13° (likely 51°11° to 57°14°)	55°13°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	80%	63%	1
Sun 10a	Partly sunny	61°16° (likely 61°16° to 65°18°)	61°16°	0%	2 mph3 km/h from S, gusts 9 mph15 km/h	67%	76%	2
Sun 11a	Cloudy	67°19° (likely 66°19° to 71°22°)	67°19°	0%	3 mph5 km/h from S, gusts 11 mph17 km/h	52%	77%	3
Sun 12p	Cloudy	72°22° (likely 71°22° to 76°24°)	72°22°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	44%	79%	4
Sun 1p	Cloudy	75°24° (likely 73°23° to 79°26°)	75°24°	0%	6 mph10 km/h from S, gusts 7 mph11 km/h	38%	85%	4
Sun 2p	Cloudy	77°25° (likely 75°24° to 80°27°)	77°25°	0%	5 mph8 km/h from S, gusts 6 mph9 km/h	35%	81%	4
Sun 3p	Cloudy	77°25° (likely 75°24° to 80°27°)	77°25°	0%	6 mph10 km/h from SE, gusts 6 mph10 km/h	33%	71%	4
Sun 4p	Cloudy	77°25° (likely 74°23° to 79°26°)	77°25°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	33%	86%	2
Sun 5p	Cloudy	75°24° (likely 72°22° to 77°25°)	75°24°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	37%	87%	1
Sun 6p	Cloudy	71°22° (likely 67°19° to 72°22°)	71°22°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	44%	87%	0
Sun 7p	Cloudy	65°18° (likely 64°18° to 67°19°)	65°18°	0%	3 mph5 km/h from SE, gusts 8 mph14 km/h	56%	88%	0
Sun 8p	Cloudy	62°17° (likely 61°16° to 65°18°)	62°17°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	62%	88%	0
Sun 9p	Cloudy	60°16° (likely 59°15° to 62°17°)	60°16°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	67%	88%	0
Sun 10p	Cloudy	58°14° (likely 56°13° to 61°16°)	58°14°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	72%	89%	0
Sun 11p	Cloudy	56°13° (likely 54°12° to 60°16°)	56°13°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	77%	89%	0
Mon 12a	Cloudy	55°13° (likely 53°12° to 59°15°)	55°13°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	77%	90%	0
Mon 1a	Cloudy	55°13° (likely 52°11° to 58°14°)	55°13°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	77%	90%	0
Mon 2a	Cloudy	54°12° (likely 51°11° to 56°13°)	54°12°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	80%	89%	0
Mon 3a	Cloudy	53°12° (likely 50°10° to 56°13°)	53°12°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	83%	89%	0
Mon 4a	Cloudy	52°11° (likely 50°10° to 55°13°)	52°11°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	83%	91%	0
Mon 5a	Cloudy	51°11° (likely 49°9° to 55°13°)	51°11°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	86%	94%	0
Mon 6a	Cloudy	50°10° (likely 48°9° to 55°13°)	50°10°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	89%	95%	0
Mon 7a	Cloudy	50°10° (likely 48°9° to 55°13°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	96%	0
Mon 8a	Mostly cloudy	51°11° (likely 45°7° to 57°14°)	51°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	89%	94%	0
Mon 9a	Cloudy	56°13° (likely 52°11° to 61°16°)	56°13°	0%	0 mph0 km/h, gusts 5 mph9 km/h	80%	88%	1
Mon 10a	Cloudy	61°16° (likely 61°16° to 67°19°)	61°16°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	72%	88%	2

Days ahead

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

Today, Oct 24. Partly sunny. High 76°24°, low 47°8°. Typical 66°19° / 41°5°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
2. Evening
  6 PM–midnight
  Partly cloudy, 61°16°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 76. Southeast wind around 5 mph.
Tonight: Partly cloudy, with a low around 47. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–77°25°
Low, likely
43°6°–47°8°
Typical high / low
66°19° / 41°5°
Wind
7 mph10 km/h, gusts 12 mph19 km/h
UV peak
5
Tomorrow, Oct 25. Fog. High 77°25°, low 50°10°. Typical 66°19° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Official NWS forecast
Day: Patchy fog between 7am and 8am. Mostly sunny, with a high near 77. South wind 1 to 6 mph.
Night: Mostly cloudy, with a low around 50. South wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–80°27°
Low, likely
42°6°–51°11°
Typical high / low
66°19° / 40°4°
Wind
8 mph12 km/h, gusts 13 mph21 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 76°24°, low 50°10°. Typical 65°18° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 76. South wind 0 to 3 mph.
Night: Partly cloudy, with a low around 50.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
73°23°–79°26°
Low, likely
48°9°–54°12°
Typical high / low
65°18° / 40°4°
Wind
8 mph13 km/h, gusts 13 mph21 km/h
UV peak
4
Tuesday, Oct 27. Mostly cloudy. High 75°24°, low 50°10°. Typical 65°18° / 40°4°. 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, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 75.
Night: Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–75°24°
Low, likely
45°7°–54°12°
Typical high / low
65°18° / 40°4°
Wind
9 mph15 km/h, gusts 15 mph24 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 79°26°, low 51°11°. Typical 64°18° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  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 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–79°26°
Low, likely
46°8°–54°12°
Typical high / low
64°18° / 39°4°
Wind
10 mph16 km/h, gusts 20 mph32 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 78°26°, low 50°10°. Typical 64°18° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 79°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 78.
Night: Partly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–81°27°
Low, likely
48°9°–56°13°
Typical high / low
64°18° / 39°4°
Wind
11 mph17 km/h, gusts 25 mph40 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 76°24°, low 51°11°. Typical 64°18° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 79°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 76.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
74°23°–82°28°
Low, likely
48°9°–57°14°
Typical high / low
64°18° / 38°3°
Wind
8 mph13 km/h, gusts 19 mph31 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 75°24°, low 60°16°. Typical 63°17° / 38°3°. Rain 0.1 in2.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 76°25°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 68°20°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 66°19°
  40% chance · 0.1 in2.6 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
71°22°–79°26°
Low, likely
57°14°–62°17°
Typical high / low
63°17° / 38°3°
Wind
12 mph19 km/h, gusts 22 mph36 km/h
UV peak
2
Sunday, Nov 1. Showers. High 70°21°, low 62°17°. Typical 62°17° / 38°3°. Rain 0.63 in16 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 66°19°
  40% chance · 0.16 in4 mm
2. Afternoon
  noon–6 PM
  Showers, 67°19°
  40% chance · 0.26 in6.5 mm
3. Evening
  6 PM–midnight
  Showers, 65°19°
  40% chance · 0.12 in3 mm
4. Overnight
  midnight–6 AM
  Clear, 59°15°
  40% chance · 0.13 in3.2 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
67°19°–72°22°
Low, likely
59°15°–65°18°
Typical high / low
62°17° / 38°3°
Wind
21 mph33 km/h, gusts 41 mph66 km/h
Monday, Nov 2. Rain. High 67°19°, low 56°13°. Typical 62°17° / 38°3°. Rain 0.33 in8.4 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°15°
  40% chance · 0.1 in2.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  40% chance · 0.2 in5.1 mm
3. Evening
  6 PM–midnight
  Rain, 64°18°
  40% chance · 0.15 in3.9 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
60°16°–75°24°
Low, likely
47°8°–66°19°
Typical high / low
62°17° / 38°3°
Wind
19 mph30 km/h, gusts 29 mph47 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 76°, low 47°.
Tomorrow
Dry, high 77°, low 50°.
Monday
Dry, high 76°, low 50°.
Rest of week
Highs 67–79°; chance of precipitation on Sunday, Monday.

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

Mississippi River at Chester

1.7 mi

Below flood stage

Level: 11.3 ft
Flow: 176,000 cfs

Forecast peak 11.1 ft Sat 1 PM

Reading from Sat 10:30 AM · NWS gauge page

S Fork Saline Creek above Perryville

14 mi

Level: 4.9 ft
Flow: 7 cfs

Reading from Sat 10 AM · NWS gauge page

Mississippi River above Red Rock Landing

17 mi

Below flood stage

Level: 15.4 ft

Reading from Sat 10:30 AM · NWS gauge page

For your home

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

Heating this week

About 84% less heating than a typical week.

This week 14Typical 90

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 1
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 44°F).

Open the windows?

Today, 12:00 PM–8:00 PM

Good stretch to open the windows.

Is this typical?

Perryville Water Plt · official normals 1991–2020 · records 1907–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

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

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

Sun & moon

Sun

Daylight: 10 h 53 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 21 min less
Golden hour: 5:33–6:26 PM; Morning 7:00–7:53 AM
Blue hour: 6:26–6:36 PM; Morning 6:49–7:00 AM; first light 6:49 AM

Stars tonight? Poor

Clouds most of the night (about 41% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:32 AM · rises 5:06 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Chester. The highest point on the skyline is about 1,800 ft, 22 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.