Skip to forecast
Search a place

Observed 7:53 AM CDT at KCPS

Madison, IL weather

Sunny and 45°7°, 11°6° warmer than a typical Oct 24.

Today: low 49°9° (likely 46°8° to 50°10°), high 77°25° (likely 71°22° to 77°25°).

Mostly agree

Now 45°7°

Sunny

Wind
Calm
Up to 5 mph8 km/h through 8 PM
Dew point
45°7°
Comfortable
Humidity
100%
Air 45°7°, dew point 45°7° · fog or dew likely
UV index
0Low
Moderate 11 AM–4 PM · peak 4
Air quality
70Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.36 inHg1028 hPa
Rising · +0.05 inHg+1.5 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

About the same as this time yesterday (46°8° then, 45°7° now)

Good hours for
  • Above 60°16° today by 10 AM
  • High 77°25° today at 4 PM
  • Below 60°16° tonight after 9 PM
  • Drops 12°7° tomorrow night 6–9 PM (75°24° → 63°17°)
  1. This morningUp to 67°19° by 11 AM · Partly cloudy
  2. This afternoonUp to 77°25° by 4 PM · Mostly cloudy
  3. TonightDown to 50°10° by 5 AM · Partly cloudy
  4. Tomorrow morningUp to 69°21° by 11 AM · Mostly cloudy
  5. Tomorrow afternoonUp to 79°26° by 4 PM · Mostly cloudy
  6. Tomorrow nightDown to 52°11° by 5 AM · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 8aSunny50°10° (likely 46°8° to 51°11°)50°10°0%2 mph3 km/h from E, gusts 6 mph9 km/h86%23%0
Sat 9aSunny55°13° (likely 52°11° to 55°13°)55°13°0%3 mph5 km/h from SE, gusts 5 mph8 km/h77%31%1
Sat 10aMostly sunny62°17° (likely 59°15° to 62°17°)62°17°0%3 mph5 km/h from SE, gusts 7 mph11 km/h65%69%1
Sat 11aCloudy67°19° (likely 64°18° to 67°19°)67°19°0%5 mph8 km/h from SE, gusts 9 mph14 km/h54%77%3
Sat 12pCloudy71°22° (likely 66°19° to 71°22°)71°22°0%5 mph8 km/h from SE, gusts 7 mph11 km/h46%78%4
Sat 1pCloudy74°23° (likely 69°21° to 74°23°)74°23°0%5 mph8 km/h from SE, gusts 7 mph11 km/h40%79%4
Sat 2pPartly sunny75°24° (likely 70°21° to 75°24°)75°24°0%3 mph5 km/h from SE, gusts 7 mph11 km/h37%75%4
Sat 3pPartly sunny76°24° (likely 71°22° to 76°24°)76°24°0%5 mph8 km/h from SE, gusts 7 mph12 km/h36%59%3
Sat 4pPartly sunny77°25° (likely 71°22° to 77°25°)77°25°0%3 mph5 km/h from SE, gusts 8 mph13 km/h33%48%2
Sat 5pSunny75°24° (likely 69°21° to 75°24°)75°24°0%3 mph5 km/h from SE, gusts 8 mph13 km/h38%43%1
Sat 6pClear72°22° (likely 65°18° to 72°22°)72°22°0%3 mph5 km/h from E, gusts 8 mph13 km/h43%41%0
Sat 7pClear67°19° (likely 63°17° to 67°19°)67°19°0%3 mph5 km/h from E, gusts 7 mph11 km/h50%40%0
Sat 8pClear61°16° (likely 60°16° to 62°17°)61°16°0%3 mph5 km/h from SE, gusts 8 mph13 km/h62%40%0
Sat 9pClear59°15° (likely 59°15° to 60°16°)59°15°0%2 mph3 km/h from SE, gusts 8 mph13 km/h67%40%0
Sat 10pPartly cloudy57°14° (likely 57°14° to 59°15°)57°14°0%2 mph3 km/h from SE, gusts 8 mph13 km/h72%23%0
Sat 11pClear56°13° (likely 56°13° to 57°14°)56°13°0%2 mph3 km/h from SE, gusts 9 mph14 km/h74%40%0
Sun 12aMostly clear55°13° (likely 55°13° to 56°13°)55°13°0%1 mph2 km/h from SE, gusts 9 mph14 km/h74%16%0
Sun 1aPartly cloudy54°12° (likely 53°12° to 55°13°)54°12°0%1 mph2 km/h from SE, gusts 8 mph13 km/h74%25%0
Sun 2aClear53°12° (likely 52°11° to 54°12°)53°12°0%1 mph2 km/h from SE, gusts 7 mph11 km/h77%38%0
Sun 3aMostly clear52°11° (likely 51°11° to 53°12°)52°11°0%1 mph2 km/h from SE, gusts 6 mph10 km/h80%45%0
Sun 4aMostly clear51°11° (likely 50°10° to 52°11°)51°11°0%1 mph2 km/h from SE, gusts 6 mph9 km/h83%35%0
Sun 5aMostly clear50°10° (likely 49°9° to 51°11°)50°10°0%1 mph2 km/h from SE, gusts 5 mph8 km/h86%33%0
Sun 6aMostly clear50°10° (likely 48°9° to 50°10°)50°10°0%1 mph2 km/h from SE, gusts 5 mph8 km/h83%62%0
Sun 7aMostly sunny49°9° (likely 48°9° to 50°10°)49°9°0%1 mph2 km/h from SE, gusts 5 mph8 km/h86%61%0
Sun 8aMostly sunny50°10° (likely 48°9° to 52°11°)50°10°0%1 mph2 km/h from SE, gusts 5 mph8 km/h89%70%0
Sun 9aPartly sunny55°13° (likely 53°12° to 56°13°)55°13°0%1 mph2 km/h from SE, gusts 5 mph8 km/h83%72%1
Sun 10aPartly sunny64°18° (likely 60°16° to 64°18°)64°18°0%2 mph3 km/h from S, gusts 6 mph9 km/h63%68%2
Sun 11aPartly sunny69°21° (likely 64°18° to 69°21°)69°21°0%2 mph3 km/h from S, gusts 6 mph9 km/h55%68%3
Sun 12pCloudy73°23° (likely 68°20° to 74°23°)73°23°0%2 mph3 km/h from S, gusts 6 mph9 km/h48%77%4
Sun 1pCloudy77°25° (likely 70°21° to 77°25°)77°25°0%2 mph3 km/h from S, gusts 4 mph7 km/h40%80%4
Sun 2pCloudy78°26° (likely 72°22° to 78°26°)78°26°0%2 mph3 km/h from S, gusts 3 mph6 km/h39%81%4
Sun 3pCloudy78°26° (likely 72°22° to 79°26°)78°26°0%2 mph3 km/h from S, gusts 4 mph6 km/h38%81%4
Sun 4pCloudy79°26° (likely 72°22° to 79°26°)79°26°0%2 mph3 km/h from SE, gusts 4 mph6 km/h36%81%2
Sun 5pCloudy78°26° (likely 71°22° to 78°26°)78°26°0%1 mph2 km/h from SE, gusts 5 mph8 km/h40%80%1
Sun 6pCloudy75°24° (likely 67°19° to 75°24°)75°24°0%0 mph0 km/h, gusts 6 mph9 km/h43%81%0
Sun 7pCloudy70°21° (likely 64°18° to 70°21°)70°21°0%1 mph2 km/h from SE, gusts 6 mph10 km/h51%81%0
Sun 8pCloudy63°17° (likely 62°17° to 65°18°)63°17°0%1 mph2 km/h from SE, gusts 6 mph10 km/h67%80%0
Sun 9pCloudy60°16° (likely 60°16° to 63°17°)60°16°0%1 mph2 km/h from SE, gusts 7 mph11 km/h75%76%0
Sun 10pCloudy60°16° (likely 60°16° to 61°16°)60°16°0%1 mph2 km/h from SE, gusts 7 mph11 km/h72%80%0
Sun 11pCloudy59°15° (likely 59°15° to 61°16°)59°15°0%1 mph2 km/h from S, gusts 7 mph11 km/h75%84%0
Mon 12aCloudy57°14° (likely 57°14° to 61°16°)57°14°0%1 mph2 km/h from S, gusts 6 mph10 km/h77%86%0
Mon 1aCloudy56°13° (likely 56°13° to 61°16°)56°13°0%1 mph2 km/h from S, gusts 5 mph9 km/h80%88%0
Mon 2aCloudy55°13° (likely 55°13° to 65°18°)55°13°0%1 mph2 km/h from S, gusts 4 mph7 km/h83%90%0
Mon 3aCloudy54°12° (likely 54°12° to 64°18°)54°12°0%0 mph0 km/h, gusts 4 mph6 km/h83%94%0
Mon 4aCloudy54°12° (likely 54°12° to 64°18°)54°12°0%0 mph0 km/h, gusts 4 mph6 km/h83%91%0
Mon 5aCloudy52°11° (likely 52°11° to 63°17°)52°11°0%0 mph0 km/h, gusts 3 mph5 km/h86%86%0
Mon 6aCloudy52°11° (likely 52°11° to 63°17°)52°11°0%0 mph0 km/h, gusts 3 mph5 km/h86%84%0
Mon 7aCloudy52°11° (likely 52°11° to 63°17°)52°11°0%0 mph0 km/h, gusts 3 mph5 km/h86%96%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 77°25°, low 49°9°. Typical 66°19° / 46°8°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 50°10°

      Dry

    Official NWS forecast

    Today: Patchy fog before 9am. Mostly sunny, with a high near 77. Southeast wind around 5 mph.

    Tonight: Mostly clear, with a low around 49. Southeast wind around 3 mph.

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

    High, likely
    71°22°–77°25°
    Low, likely
    46°8°–50°10°
    Typical high / low
    66°19° / 46°8°
    Wind
    8 mph13 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 80°27°, low 52°11°. Typical 65°18° / 46°8°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 79°26°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 52°11°

      Dry

    Official NWS forecast

    Day: Mostly sunny, with a high near 80. Southeast wind around 2 mph.

    Night: Mostly cloudy, with a low around 52. Southeast wind around 1 mph.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    73°23°–80°27°
    Low, likely
    48°9°–52°11°
    Typical high / low
    65°18° / 46°8°
    Wind
    7 mph12 km/h
    UV peak
    4
  3. Monday, Oct 26. Cloudy. High 78°26°, low 52°11°. Typical 65°18° / 45°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 64°18°

      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 78. Southwest wind around 2 mph.

    Night: Mostly cloudy, with a low around 52.

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

    High, likely
    73°23°–78°26°
    Low, likely
    52°11°–59°15°
    Typical high / low
    65°18° / 45°7°
    Wind
    6 mph9 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Cloudy. High 77°25°, low 52°11°. Typical 64°18° / 45°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 73°23°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 65°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 cloudy, with a high near 77.

    Night: Mostly cloudy, with a low around 52.

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

    High, likely
    71°22°–77°25°
    Low, likely
    50°10°–58°14°
    Typical high / low
    64°18° / 45°7°
    Wind
    8 mph13 km/h, gusts 20 mph33 km/h
    UV peak
    3
  5. Wednesday, Oct 28. Cloudy. High 81°27°, low 54°12°. Typical 64°18° / 44°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 67°19°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 58°14°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 81.

    Night: Mostly clear, with a low around 54.

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

    High, likely
    75°24°–81°27°
    Low, likely
    52°11°–58°14°
    Typical high / low
    64°18° / 44°7°
    Wind
    9 mph15 km/h, gusts 19 mph30 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 79°26°, low 52°11°. Typical 64°18° / 44°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 79°26°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 68°20°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 57°14°

      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 52.

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

    High, likely
    77°25°–80°27°
    Low, likely
    51°11°–62°17°
    Typical high / low
    64°18° / 44°7°
    Wind
    9 mph15 km/h, gusts 25 mph40 km/h
    UV peak
    4
  7. Friday, Oct 30. Partly sunny. High 78°26°, low 54°12°. Typical 63°17° / 44°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 79°26°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 69°20°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 60°15°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 78.

    Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 20%.

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

    High, likely
    75°24°–80°27°
    Low, likely
    53°12°–61°16°
    Typical high / low
    63°17° / 44°7°
    Wind
    9 mph14 km/h, gusts 17 mph28 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 75°24°, low 61°16°. Typical 63°17° / 43°6°. Rain 0.1 in2.5 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 63°17°

      20% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

      30% chance

    3. Evening

      6 PM–midnight

      Cloudy, 70°21°

      40% chance · 0.01 in0.3 mm

    4. Overnight

      midnight–6 AM

      Cloudy, 67°20°

      50% chance · 0.07 in1.8 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.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    70°21°–82°28°
    Low, likely
    57°14°–67°19°
    Typical high / low
    63°17° / 43°6°
    Wind
    11 mph17 km/h, gusts 22 mph36 km/h
    UV peak
    1
  9. Sunday, Nov 1. Drizzle. High 72°22°, low 63°17°. Typical 62°17° / 43°6°. Rain 0.53 in13 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 67°20°

      50% chance · 0.12 in2.9 mm

    2. Afternoon

      noon–6 PM

      Showers, 69°20°

      40% chance · 0.21 in5.2 mm

    3. Evening

      6 PM–midnight

      Drizzle, 67°19°

      40% chance · 0.08 in2.1 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 60°15°

      40% 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.

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

    High, likely
    70°21°–73°23°
    Low, likely
    61°16°–65°18°
    Typical high / low
    62°17° / 43°6°
    Wind
    19 mph30 km/h, gusts 38 mph61 km/h
  10. Monday, Nov 2. Drizzle. High 68°20°, low 59°15°. Typical 62°17° / 42°6°. Rain 0.37 in9.4 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 60°16°

      40% chance · 0.12 in3.1 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 63°17°

      30% chance · 0.19 in4.9 mm

    3. Evening

      6 PM–midnight

      Drizzle, 65°18°

      30% 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
    62°17°–73°23°
    Low, likely
    51°11°–67°19°
    Typical high / low
    62°17° / 42°6°
    Wind
    19 mph30 km/h, gusts 39 mph62 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 77°, low 49°.

  2. Tomorrow

    Dry, high 80°, low 52°, warming up.

  3. Monday

    Dry, high 78°, low 52°.

  4. Rest of week

    Highs 68–81°; 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

5.8 mi
Below flood stage
Level
8.1 ft
Flow
172,000 cfs

Forecast peak 7.9 ft Sat 1 PM

Reading from Sat 7:30 AM · NWS gauge page

Mississippi River at Mel Price (Alton) Lock and Dam

13 mi
Below flood stage
Level
7.7 ft
Flow
123,000 cfs

Forecast peak 7.5 ft Sat 1 PM

Reading from Sat 7:30 AM · NWS gauge page

Missouri River at St. Charles

21 mi
Below flood stage
Level
12.3 ft
Flow
64,100 cfs

Forecast peak 12.3 ft Sat 1 PM

Reading from Sat 7:30 AM · NWS gauge page

Mississippi River at Alton

15 mi
Below flood stage
Level
18.4 ft

Reading from Sat 7:30 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 12Typical 73

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 10:00 AM–8:00 PM

Good stretch to open the windows.

Is this typical?

St. Louis Lambert International Airport · official normals 1991–2020 · records 1874–2026

Oct 24, today vs a typical year

Today’s expected high is 11°6° warmer than typical.

Normal high / low
66°19° / 46°8°
Forecast high / low
77°25° / 49°9°
Record high
85°29° in 1940
Record low
25°−4° in 1981

Last 7 days vs normal

On average 3°1° warmer than normal (daily mean temperature).

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

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

Sun & moon

Sun

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

Daylight
10 h 51 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 23 min less
Golden hour
5:33–6:26 PM
Morning 7:02–7:55 AM
Blue hour
6:26–6:36 PM
Morning 6:51–7:02 AM; first light 6:51 AM

Stars tonight? Poor

Clouds most of the night (about 37% cover).

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:34 AM · rises 5:07 PM
Full moon
Oct 25
New moon
Nov 9
Looking northwest from Madison. The highest point on the skyline is about 1,200 ft, 5 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.