Observed 11:05 AM CDT at KCPS

Scott AFB, IL weather

Sunny and 68°20°, 8°4° warmer than a typical Oct 24.

Forecasts agree

Now 68°20°

Sunny

Wind: 5 mph7 km/h; From the southeast. Up to 6 mph10 km/h through 11 PM
Dew point: 48°9°; Comfortable
UV index: 3Moderate; Moderate until 4 PM · peak 4
Air quality: 65Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.37 inHg1028 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (62°17° then, 61°16° now)

Good hours for

High 76°24° today at 4 PM
Below 60°16° tonight after 9 PM
Low 48°9° tomorrow at 6 AM
Above 60°16° tomorrow by 10 AM

This afternoonUp to 76°24° by 4 PM · Mostly cloudy
TonightDown to 49°9° by 5 AM · Partly cloudy
Tomorrow morningUp to 68°20° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 78°26° by 3 PM · Mostly cloudy
Tomorrow nightDown to 52°11° by 5 AM · Mostly cloudy
Monday morningUp to 64°18° 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	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	5 mph8 km/h from SE, gusts 8 mph14 km/h	58%	37%	3
Sat 12p	Partly sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	5 mph8 km/h from SE, gusts 8 mph12 km/h	47%	54%	4
Sat 1p	Cloudy	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from SE, gusts 5 mph9 km/h	41%	75%	4
Sat 2p	Cloudy	74°23° (likely 72°22° to 74°23°)	74°23°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	38%	80%	4
Sat 3p	Cloudy	75°24° (likely 73°23° to 75°24°)	75°24°	0%	5 mph8 km/h from SE, gusts 7 mph12 km/h	36%	62%	3
Sat 4p	Partly sunny	76°24° (likely 72°22° to 76°24°)	76°24°	0%	6 mph10 km/h from SE, gusts 8 mph13 km/h	34%	68%	1
Sat 5p	Partly sunny	75°24° (likely 70°21° to 75°24°)	75°24°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	36%	53%	1
Sat 6p	Partly cloudy	71°22° (likely 65°18° to 71°22°)	71°22°	0%	3 mph5 km/h from SE, gusts 8 mph12 km/h	42%	46%	0
Sat 7p	Partly cloudy	64°18° (likely 62°17° to 64°18°)	64°18°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	56%	43%	0
Sat 8p	Partly cloudy	60°16° (likely 59°15° to 60°16°)	60°16°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	64%	42%	0
Sat 9p	Mostly clear	58°14° (likely 57°14° to 59°15°)	58°14°	0%	1 mph2 km/h from SE, gusts 9 mph15 km/h	72%	42%	0
Sat 10p	Clear	56°13° (likely 55°13° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 9 mph14 km/h	74%	41%	0
Sat 11p	Mostly clear	55°13° (likely 54°12° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	77%	41%	0
Sun 12a	Mostly clear	54°12° (likely 52°11° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 6 mph10 km/h	80%	42%	0
Sun 1a	Mostly clear	52°11° (likely 51°11° to 54°12°)	52°11°	0%	0 mph0 km/h, gusts 6 mph10 km/h	86%	10%	0
Sun 2a	Mostly clear	52°11° (likely 50°10° to 53°12°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	86%	52%	0
Sun 3a	Partly cloudy	51°11° (likely 50°10° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	89%	51%	0
Sun 4a	Partly cloudy	50°10° (likely 49°9° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 4 mph7 km/h	89%	56%	0
Sun 5a	Partly cloudy	49°9° (likely 48°9° to 50°10°)	49°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	93%	51%	0
Sun 6a	Partly cloudy	48°9° (likely 47°8° to 49°9°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	62%	0
Sun 7a	Partly sunny	48°9° (likely 46°8° to 49°9°)	48°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	93%	71%	0
Sun 8a	Partly sunny	49°9° (likely 46°8° to 51°11°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	61%	0
Sun 9a	Partly sunny	55°13° (likely 52°11° to 56°13°)	55°13°	0%	1 mph2 km/h from S, gusts 3 mph5 km/h	83%	66%	1
Sun 10a	Cloudy	62°17° (likely 58°14° to 62°17°)	62°17°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	70%	84%	2
Sun 11a	Cloudy	68°20° (likely 64°18° to 68°20°)	68°20°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	57%	76%	3
Sun 12p	Cloudy	72°22° (likely 69°21° to 73°23°)	72°22°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	48%	80%	4
Sun 1p	Cloudy	75°24° (likely 72°22° to 76°24°)	75°24°	0%	3 mph5 km/h from S, gusts 5 mph8 km/h	41%	80%	4
Sun 2p	Cloudy	77°25° (likely 74°23° to 77°25°)	77°25°	0%	2 mph3 km/h from S, gusts 4 mph7 km/h	37%	81%	4
Sun 3p	Cloudy	78°26° (likely 75°24° to 78°26°)	78°26°	0%	3 mph5 km/h from S, gusts 5 mph7 km/h	36%	81%	4
Sun 4p	Cloudy	78°26° (likely 74°23° to 78°26°)	78°26°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	35%	81%	2
Sun 5p	Cloudy	77°25° (likely 72°22° to 77°25°)	77°25°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	37%	81%	1
Sun 6p	Cloudy	73°23° (likely 67°19° to 73°23°)	73°23°	0%	1 mph2 km/h from SE, gusts 3 mph6 km/h	44%	80%	0
Sun 7p	Cloudy	66°19° (likely 64°18° to 67°19°)	66°19°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	58%	80%	0
Sun 8p	Cloudy	62°17° (likely 62°17° to 63°17°)	62°17°	0%	1 mph2 km/h from SE, gusts 5 mph9 km/h	67%	81%	0
Sun 9p	Cloudy	60°16° (likely 60°16° to 62°17°)	60°16°	0%	1 mph2 km/h from S, gusts 7 mph12 km/h	75%	81%	0
Sun 10p	Cloudy	59°15° (likely 58°14° to 60°16°)	59°15°	0%	1 mph2 km/h from S, gusts 8 mph13 km/h	75%	81%	0
Sun 11p	Cloudy	57°14° (likely 56°13° to 59°15°)	57°14°	0%	1 mph2 km/h from S, gusts 8 mph13 km/h	80%	81%	0
Mon 12a	Cloudy	56°13° (likely 55°13° to 58°14°)	56°13°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	83%	81%	0
Mon 1a	Cloudy	55°13° (likely 54°12° to 57°14°)	55°13°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	86%	82%	0
Mon 2a	Cloudy	55°13° (likely 53°12° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph9 km/h	86%	82%	0
Mon 3a	Cloudy	54°12° (likely 53°12° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	86%	83%	0
Mon 4a	Cloudy	53°12° (likely 52°11° to 55°13°)	53°12°	0%	0 mph0 km/h, gusts 5 mph7 km/h	89%	83%	0
Mon 5a	Cloudy	52°11° (likely 51°11° to 54°12°)	52°11°	0%	1 mph2 km/h from S, gusts 5 mph7 km/h	89%	86%	0
Mon 6a	Cloudy	51°11° (likely 51°11° to 54°12°)	51°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	93%	89%	0
Mon 7a	Cloudy	51°11° (likely 50°10° to 55°13°)	51°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	82%	0
Mon 8a	Cloudy	52°11° (likely 52°11° to 59°15°)	52°11°	0%	0 mph0 km/h, gusts 3 mph6 km/h	93%	91%	0
Mon 9a	Cloudy	57°14° (likely 56°13° to 62°17°)	57°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	94%	1
Mon 10a	Cloudy	64°18° (likely 62°17° to 66°19°)	64°18°	0%	0 mph0 km/h, gusts 6 mph9 km/h	67%	86%	2

Days ahead

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

Today, Oct 24. Cloudy. High 77°25°, low 48°9°. Typical 69°21° / 44°7°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Cloudy, 76°24°
  Dry
2. Evening
  6 PM–midnight
  Mostly clear, 60°16°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 77. Southeast wind around 6 mph.
Tonight: Mostly clear, with a low around 48. Southeast wind 0 to 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–77°25°
Low, likely
44°7°–48°9°
Typical high / low
69°21° / 44°7°
Wind
6 mph10 km/h, gusts 14 mph23 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 78°26°, low 50°10°. Typical 69°21° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 78. Southeast wind 0 to 3 mph.
Night: Mostly cloudy, with a low around 50. South wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–78°26°
Low, likely
46°8°–50°10°
Typical high / low
69°21° / 44°7°
Wind
6 mph9 km/h, gusts 12 mph20 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 77°25°, low 50°10°. Typical 68°20° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°25°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 63°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. Southwest wind 0 to 3 mph.
Night: Partly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–78°26°
Low, likely
50°10°–53°12°
Typical high / low
68°20° / 44°7°
Wind
7 mph11 km/h, gusts 12 mph19 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 76°24°, low 50°10°. Typical 68°20° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  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: Mostly cloudy, with a high near 76.
Night: Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–76°24°
Low, likely
49°9°–55°13°
Typical high / low
68°20° / 43°6°
Wind
9 mph14 km/h, gusts 19 mph30 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 79°26°, low 52°11°. Typical 67°19° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°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 79.
Night: Mostly clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–79°26°
Low, likely
50°10°–55°13°
Typical high / low
67°19° / 43°6°
Wind
11 mph17 km/h, gusts 20 mph33 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 79°26°, low 50°10°. Typical 67°19° / 43°6°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Sunny, 56°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 80°27°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 79.
Night: Partly 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 79°26°).
High, likely
78°26°–80°27°
Low, likely
50°10°–58°14°
Typical high / low
67°19° / 43°6°
Wind
12 mph19 km/h, gusts 29 mph46 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 77°25°, low 52°11°. Typical 66°19° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 80°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 77.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
75°24°–82°28°
Low, likely
51°11°–58°14°
Typical high / low
66°19° / 42°6°
Wind
11 mph17 km/h, gusts 18 mph29 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 75°24°, low 60°16°. Typical 66°19° / 42°6°. Rain 0.13 in3.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 60°16°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 77°25°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 69°21°
  40% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Cloudy, 67°19°
  50% chance · 0.09 in2.3 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°–81°27°
Low, likely
57°14°–64°18°
Typical high / low
66°19° / 42°6°
Wind
13 mph21 km/h, gusts 21 mph33 km/h
UV peak
1
Sunday, Nov 1. Showers. High 71°22°, low 62°17°. Typical 65°18° / 42°6°. Rain 0.65 in17 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 67°19°
  50% chance · 0.18 in4.4 mm
2. Afternoon
  noon–6 PM
  Showers, 67°19°
  40% chance · 0.25 in6.5 mm
3. Evening
  6 PM–midnight
  Showers, 66°19°
  40% chance · 0.09 in2.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  40% chance · 0.23 in5.8 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°–73°23°
Low, likely
59°15°–65°18°
Typical high / low
65°18° / 42°6°
Wind
24 mph38 km/h, gusts 41 mph67 km/h
Monday, Nov 2. Rain. High 67°19°, low 57°14°. Typical 65°18° / 41°5°. Rain 0.37 in9.4 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  40% chance · 0.12 in3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  40% chance · 0.17 in4.2 mm
3. Evening
  6 PM–midnight
  Rain, 65°18°
  30% chance · 0.15 in3.7 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
62°17°–75°24°
Low, likely
49°9°–66°19°
Typical high / low
65°18° / 41°5°
Wind
23 mph37 km/h, gusts 40 mph65 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 77°, low 48°.
Tomorrow
Dry, high 78°, low 50°.
Monday
Dry, high 77°, 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 St. Louis

19 mi

Below flood stage

Level: 8.0 ft
Flow: 171,000 cfs

Forecast peak 8.1 ft Sat 1 PM

Reading from Sat 10:30 AM · NWS gauge page

Silver Creek near Mascoutah

1.9 mi

Level: 7.9 ft
Flow: 1,440 cfs

Reading from Sat 9:45 AM · NWS gauge page

Kaskaskia River at New Athens

16 mi

Below flood stage

Level: 68.7 ft
Flow: 735 cfs

Reading from Sat 10 AM · NWS gauge page

For your home

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

Heating this week

About 80% less heating than a typical week.

This week 13Typical 67

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 12:00 PM–8:00 PM

Good stretch to open the windows.

Is this typical?

BELLEVILLE SIU RESEARCH · official normals 1991–2020 · records 1948–2026

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

Scott AFB weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 51 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 23 min less
Golden hour: 5:32–6:25 PM; Morning 7:01–7:54 AM
Blue hour: 6:25–6:35 PM; Morning 6:50–7:01 AM; first light 6:50 AM

Stars tonight? Poor

Clouds most of the night (about 45% 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 Scott AFB. The highest point on the skyline is about 3,000 ft, 29 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.