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Observed 10:53 PM CDT at KCPS

Smithton, IL weather

Clear and 52°11°.

Today: low 46°8° (likely 46°8° to 50°10°), high 76°24° (likely 73°23° to 76°24°).

Mostly agree

Now 52°11°

Clear

Wind
3 mph5 km/h
From the south-southeast. Light through 12 PM
Dew point
48°9°
Comfortable
UV index
0Low
Moderate 11 AM–4 PM · peak 4
Air quality
62Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.28 inHg1025 hPa
Rising slowly · +0.02 inHg+0.6 hPa next 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

About the same as this time yesterday (52°11° then, 52°11° now)

Good hours for
  • Low 46°8° today at 6 AM
  • Above 60°16° today by 10 AM
  • High 76°24° today at 4 PM
  • Below 60°16° tonight after 8 PM
  1. TonightDown to 47°8° by 4 AM · Partly cloudy
  2. This morningUp to 65°18° by 11 AM · Partly cloudy
  3. This afternoonUp to 76°24° by 4 PM · Mostly cloudy
  4. TonightDown to 48°9° by 5 AM · Partly cloudy
  5. Tomorrow morningUp to 67°19° by 11 AM · Partly cloudy
  6. Tomorrow afternoonUp to 78°26° by 4 PM · Mostly cloudy
  7. Tomorrow nightDown to 56°13° by 11 PM · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 12aMostly clear53°12° (likely 52°11° to 57°14°)53°12°0%2 mph3 km/h from SE, gusts 7 mph12 km/h86%34%0
Sat 1aMostly clear52°11° (likely 51°11° to 56°13°)52°11°0%2 mph3 km/h from SE, gusts 7 mph11 km/h86%54%0
Sat 2aMostly clear51°11° (likely 50°10° to 55°13°)51°11°0%1 mph2 km/h from SE, gusts 6 mph10 km/h86%20%0
Sat 3aPartly cloudy49°9° (likely 49°9° to 53°12°)49°9°0%1 mph2 km/h from SE, gusts 5 mph9 km/h93%25%0
Sat 4aCloudy47°8° (likely 47°8° to 52°11°)47°8°0%1 mph2 km/h from SE, gusts 5 mph8 km/h96%64%0
Sat 5aMostly clear47°8° (likely 47°8° to 51°11°)47°8°0%1 mph2 km/h from SE, gusts 4 mph7 km/h100%35%0
Sat 6aMostly clear46°8° (likely 46°8° to 50°10°)46°8°0%1 mph2 km/h from SE, gusts 4 mph6 km/h100%46%0
Sat 7aMostly sunny46°8° (likely 46°8° to 50°10°)46°8°0%1 mph2 km/h from E, gusts 5 mph8 km/h100%51%0
Sat 8aSunny47°8° (likely 46°8° to 52°11°)47°8°0%2 mph3 km/h from E, gusts 5 mph9 km/h100%25%0
Sat 9aMostly sunny52°11° (likely 52°11° to 56°13°)52°11°0%2 mph3 km/h from SE, gusts 6 mph10 km/h96%36%1
Sat 10aMostly sunny60°16° (likely 58°14° to 61°16°)60°16°0%3 mph5 km/h from SE, gusts 7 mph11 km/h75%32%2
Sat 11aPartly sunny65°18° (likely 64°18° to 66°19°)65°18°0%3 mph5 km/h from SE, gusts 8 mph13 km/h60%72%3
Sat 12pCloudy69°21° (likely 68°20° to 70°21°)69°21°0%3 mph5 km/h from SE, gusts 7 mph11 km/h49%74%4
Sat 1pCloudy73°23° (likely 71°22° to 73°23°)73°23°0%3 mph5 km/h from SE, gusts 6 mph10 km/h41%76%4
Sat 2pCloudy74°23° (likely 72°22° to 75°24°)74°23°0%3 mph5 km/h from SE, gusts 6 mph9 km/h38%78%4
Sat 3pCloudy75°24° (likely 73°23° to 75°24°)75°24°0%3 mph5 km/h from SE, gusts 6 mph9 km/h37%60%3
Sat 4pCloudy76°24° (likely 72°22° to 76°24°)76°24°0%3 mph5 km/h from SE, gusts 6 mph10 km/h36%74%2
Sat 5pPartly sunny74°23° (likely 70°21° to 76°24°)74°23°0%3 mph5 km/h from SE, gusts 7 mph11 km/h38%60%1
Sat 6pPartly cloudy70°21° (likely 66°19° to 70°21°)70°21°0%3 mph5 km/h from SE, gusts 8 mph13 km/h44%58%0
Sat 7pClear65°18° (likely 63°17° to 66°19°)65°18°0%3 mph5 km/h from E, gusts 7 mph12 km/h54%41%0
Sat 8pClear59°15° (likely 59°15° to 63°17°)59°15°0%2 mph3 km/h from SE, gusts 8 mph13 km/h69%41%0
Sat 9pClear57°14° (likely 57°14° to 61°16°)57°14°0%2 mph3 km/h from SE, gusts 9 mph15 km/h75%44%0
Sat 10pPartly cloudy56°13° (likely 55°13° to 60°16°)56°13°0%2 mph3 km/h from SE, gusts 10 mph16 km/h77%46%0
Sat 11pPartly cloudy55°13° (likely 54°12° to 58°14°)55°13°0%1 mph2 km/h from SE, gusts 9 mph14 km/h77%47%0
Sun 12aPartly cloudy54°12° (likely 53°12° to 57°14°)54°12°0%1 mph2 km/h from SE, gusts 7 mph12 km/h80%47%0
Sun 1aMostly clear52°11° (likely 52°11° to 56°13°)52°11°0%1 mph2 km/h from SE, gusts 5 mph9 km/h83%18%0
Sun 2aPartly cloudy51°11° (likely 51°11° to 54°12°)51°11°0%1 mph2 km/h from SE, gusts 5 mph7 km/h86%48%0
Sun 3aPartly cloudy50°10° (likely 50°10° to 53°12°)50°10°0%1 mph2 km/h from SE, gusts 5 mph7 km/h89%29%0
Sun 4aPartly cloudy49°9° (likely 49°9° to 52°11°)49°9°0%1 mph2 km/h from SE, gusts 4 mph6 km/h93%51%0
Sun 5aPartly cloudy48°9° (likely 48°9° to 52°11°)48°9°0%1 mph2 km/h from SE, gusts 3 mph5 km/h93%34%0
Sun 6aPartly cloudy48°9° (likely 47°8° to 51°11°)48°9°0%0 mph0 km/h, gusts 3 mph5 km/h93%36%0
Sun 7aSunny48°9° (likely 47°8° to 51°11°)48°9°0%0 mph0 km/h, gusts 4 mph6 km/h89%42%0
Sun 8aPartly sunny49°9° (likely 47°8° to 52°11°)49°9°0%0 mph0 km/h, gusts 4 mph7 km/h96%47%0
Sun 9aPartly sunny55°13° (likely 52°11° to 58°14°)55°13°0%0 mph0 km/h, gusts 4 mph6 km/h83%53%1
Sun 10aCloudy63°17° (likely 59°15° to 63°17°)63°17°0%1 mph2 km/h from S, gusts 4 mph6 km/h67%72%2
Sun 11aCloudy67°19° (likely 65°18° to 69°21°)67°19°0%1 mph2 km/h from S, gusts 7 mph11 km/h59%78%3
Sun 12pCloudy71°22° (likely 70°21° to 73°23°)71°22°0%2 mph3 km/h from S, gusts 5 mph8 km/h51%80%4
Sun 1pCloudy75°24° (likely 72°22° to 77°25°)75°24°0%2 mph3 km/h from S, gusts 4 mph6 km/h43%82%4
Sun 2pCloudy76°24° (likely 74°23° to 79°26°)76°24°0%2 mph3 km/h from S, gusts 4 mph6 km/h40%81%4
Sun 3pCloudy77°25° (likely 74°23° to 80°27°)77°25°0%2 mph3 km/h from S, gusts 4 mph7 km/h39%81%3
Sun 4pCloudy78°26° (likely 74°23° to 79°26°)78°26°0%2 mph3 km/h from S, gusts 5 mph8 km/h38%81%2
Sun 5pCloudy75°24° (likely 73°23° to 78°26°)75°24°0%2 mph3 km/h from S, gusts 4 mph7 km/h43%83%1
Sun 6pCloudy71°22° (likely 69°21° to 72°22°)71°22°0%2 mph3 km/h from SE, gusts 4 mph6 km/h49%84%0
Sun 7pCloudy67°19° (likely 66°19° to 68°20°)67°19°0%2 mph3 km/h from SE, gusts 4 mph6 km/h59%82%0
Sun 8pCloudy64°18° (likely 63°17° to 65°18°)64°18°0%2 mph3 km/h from SE, gusts 3 mph5 km/h65%79%0
Sun 9pMostly cloudy60°16° (likely 60°16° to 63°17°)60°16°0%1 mph2 km/h from S, gusts 3 mph5 km/h75%64%0
Sun 10pMostly cloudy57°14° (likely 57°14° to 62°17°)57°14°0%1 mph2 km/h from S, gusts 3 mph5 km/h83%78%0
Sun 11pCloudy56°13° (likely 56°13° to 61°16°)56°13°0%1 mph2 km/h from S, gusts 3 mph6 km/h83%83%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 76°24°, low 46°8°. Typical 69°21° / 44°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 48°9°

      Dry

    Official NWS forecast

    Today: Mostly sunny, with a high near 76. Southeast wind around 3 mph.

    Tonight: Mostly clear, with a low around 46. Southeast wind around 2 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    73°23°–76°24°
    Low, likely
    46°8°–50°10°
    Typical high / low
    69°21° / 44°7°
    Wind
    7 mph11 km/h, gusts 15 mph24 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Partly sunny. 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

      Mostly cloudy, 64°18°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 55°13°

      Dry

    Official NWS forecast

    Day: Mostly sunny, with a high near 78. South wind around 2 mph.

    Night: Mostly cloudy, with a low around 50. South wind around 2 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    74°23°–79°26°
    Low, likely
    46°8°–50°10°
    Typical high / low
    69°21° / 44°7°
    Wind
    7 mph10 km/h
    UV peak
    4
  3. Monday, Oct 26. Cloudy. High 78°26°, low 49°9°. Typical 68°20° / 44°7°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 52°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 78.

    Night: Partly cloudy, with a low around 49.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    76°24°–78°26°
    Low, likely
    49°9°–57°14°
    Typical high / low
    68°20° / 44°7°
    Wind
    7 mph10 km/h, gusts 12 mph19 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Cloudy. High 76°24°, low 50°10°. Typical 68°20° / 43°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 54°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 74°23°

      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 76.

    Night: Mostly cloudy, with a low around 50.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    72°22°–76°24°
    Low, likely
    48°9°–55°13°
    Typical high / low
    68°20° / 43°6°
    Wind
    9 mph14 km/h, gusts 21 mph33 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Partly sunny. High 78°26°, low 52°11°. Typical 67°19° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 54°12°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 78°26°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 65°18°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 56°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 52.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    75°24°–79°26°
    Low, likely
    48°9°–56°13°
    Typical high / low
    67°19° / 43°6°
    Wind
    11 mph18 km/h, gusts 21 mph33 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 77°25°, low 48°9°. Typical 67°19° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 58°15°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 78°26°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 65°19°

      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 77.

    Night: Partly cloudy, with a low around 48.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    76°24°–81°27°
    Low, likely
    48°9°–57°14°
    Typical high / low
    67°19° / 43°6°
    Wind
    9 mph15 km/h, gusts 28 mph46 km/h
    UV peak
    4
  7. Friday, Oct 30. Partly sunny. High 73°23°, low 55°13°. Typical 66°19° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 79°26°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 66°19°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 59°15°

      20% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 73.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    73°23°–80°27°
    Low, likely
    51°11°–58°14°
    Typical high / low
    66°19° / 42°6°
    Wind
    10 mph15 km/h, gusts 19 mph31 km/h
    UV peak
    3
  8. Saturday, Oct 31. Drizzle. High 70°21°, low 61°16°. Typical 66°19° / 42°6°. Rain 0.24 in6.1 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 62°17°

      30% chance · 0.05 in1.3 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 70°21°

      40% chance · 0.02 in0.4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 65°19°

      40% chance · 0.09 in2.4 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 64°18°

      30% chance · 0.27 in6.7 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
    66°19°–77°25°
    Low, likely
    57°14°–62°17°
    Typical high / low
    66°19° / 42°6°
    Wind
    14 mph23 km/h, gusts 34 mph55 km/h
  9. Sunday, Nov 1. Drizzle. High 73°23°, low 61°16°. Typical 65°18° / 42°6°. Rain 0.7 in18 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 65°18°

      30% chance · 0.35 in9 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 72°22°

      30% chance · 0.05 in1.3 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 65°18°

      30% chance · 0.13 in3.4 mm

    4. Overnight

      midnight–6 AM

      Mostly clear, 54°12°

      30% 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
    68°20°–81°27°
    Low, likely
    55°13°–66°19°
    Typical high / low
    65°18° / 42°6°
    Wind
    21 mph34 km/h, gusts 43 mph70 km/h
    UV peak
    2
  10. Monday, Nov 2. Cloudy. High 65°18°, low 50°10°. Typical 65°18° / 41°5°. Rain 0.24 in6.1 mm, 30% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Partly sunny, 54°12°

      30% chance · 0.03 in0.6 mm

    2. Afternoon

      noon–6 PM

      Sunny, 62°17°

      20% chance

    3. Evening

      6 PM–midnight

      Clear, 53°12°

      Dry

    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
    64°18°–66°19°
    Low, likely
    44°7°–55°13°
    Typical high / low
    65°18° / 41°5°
    Wind
    15 mph23 km/h, gusts 41 mph67 km/h
    UV peak
    4

The outlook

  1. Today

    Dry, high 76°, low 46°.

  2. Tomorrow

    Dry, high 78°, low 50°.

  3. Monday

    Dry, high 78°, low 49°.

  4. Rest of week

    Mostly dry, highs 65–78°.

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

18 mi
Below flood stage
Level
8.3 ft
Flow
174,000 cfs

Forecast peak 8.2 ft Sat 1 AM

Reading from Fri 11 PM · NWS gauge page

Kaskaskia River at New Athens

8.5 mi
Below flood stage
Level
68.6 ft
Flow
583 cfs

Reading from Fri 10 PM · NWS gauge page

Silver Creek near Mascoutah

12 mi
Level
8.0 ft
Flow
1,450 cfs

Reading from Fri 10:45 PM · NWS gauge page

Meramec River at Arnold

20 mi
Below flood stage
Level
5.8 ft
Flow
7,330 cfs

Reading from Fri 11 PM · NWS gauge page

For your home

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

Heating this week

About 78% less heating than a typical week.

This week 15Typical 67

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
5
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 48°F).

Open the windows?

Today, 10:00 AM–7:00 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 7°4° warmer than typical.

Normal high / low
69°21° / 44°7°
Forecast high / low
76°24° / 46°8°
Record high
84°29° in 1985
Record low
20°−7° in 1981

Last 7 days vs normal

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

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

Sun & moon

Sun

Sunrise 7:18 AM, sunset 6:09 PM.

Daylight
10 h 52 min
Losing 2 min 16 s a day; shortest Dec 21, 1 h 22 min less
Golden hour
5:33–6:26 PM
Morning 7:01–7:54 AM
Blue hour
6:26–6:36 PM
Morning 6:51–7:01 AM; first light 6:51 AM

Stars tonight? Fair

Mostly clear 2–4 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

95% lit · growing

Today
sets 5:33 AM · rises 5:06 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Smithton. The highest point on the skyline is about 3,400 ft, 17 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.