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Observed 5:45 AM CDT at KDEC

Dalton City, IL weather

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

Today: low 45°7° (likely 44°7° to 48°9°), high 73°23° (likely 72°22° to 73°23°).

Forecasts agree

Now 45°7°

Clear

Wind
Calm
Up to 7 mph11 km/h through 6 PM
Dew point
43°6°
Comfortable · up to 51°11° by 10 AM
Humidity
93%
Air 45°7°, dew point 43°6° · fog or dew likely
UV index
0Low
Moderate 11 AM–3 PM · peak 4
Air quality
51Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.36 inHg1028 hPa
Rising slowly · +0.03 inHg+1.2 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Above 60°16° today by 10 AM
  • High 73°23° today at 4 PM
  • Below 60°16° tonight after 8 PM
  1. This morningUp to 65°18° by 11 AM · Partly cloudy
  2. This afternoonUp to 73°23° by 4 PM · Mostly cloudy
  3. TonightDown to 46°8° by 5 AM · Partly cloudy
  4. Tomorrow morningUp to 67°19° by 11 AM · Mostly cloudy
  5. Tomorrow afternoonUp to 76°24° by 4 PM · Mostly cloudy
  6. Tomorrow nightDown to 49°9° by 4 AM · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 6aMostly clear41°5° (likely 41°5° to 48°9°)39°4°0%3 mph5 km/h from ESE, gusts 8 mph12 km/h96%42%0
Sat 7aMostly sunny41°5° (likely 41°5° to 49°9°)39°4°0%3 mph5 km/h from ESE, gusts 8 mph12 km/h96%44%0
Sat 8aPartly sunny45°7° (likely 45°7° to 51°11°)43°6°0%5 mph8 km/h from SE, gusts 7 mph12 km/h94%44%0
Sat 9aMostly sunny52°11° (likely 52°11° to 55°13°)52°11°0%6 mph10 km/h from SE, gusts 8 mph13 km/h89%34%1
Sat 10aSunny60°16° (likely 59°15° to 60°16°)60°16°0%7 mph11 km/h from SSE, gusts 10 mph16 km/h72%25%2
Sat 11aMostly cloudy65°18° (likely 64°18° to 65°18°)65°18°0%7 mph11 km/h from SSE, gusts 11 mph17 km/h58%62%3
Sat 12pSunny68°20° (likely 68°20° to 69°21°)68°20°0%7 mph11 km/h from SSE, gusts 10 mph16 km/h51%37%4
Sat 1pCloudy71°22° (likely 71°22° to 71°22°)71°22°0%7 mph11 km/h from SSE, gusts 8 mph13 km/h44%79%4
Sat 2pMostly cloudy72°22° (likely 72°22° to 72°22°)72°22°0%7 mph11 km/h from SSE, gusts 8 mph14 km/h41%66%4
Sat 3pPartly sunny72°22° (likely 72°22° to 73°23°)72°22°0%6 mph10 km/h from SE, gusts 10 mph15 km/h39%67%2
Sat 4pCloudy73°23° (likely 71°22° to 73°23°)73°23°0%6 mph10 km/h from SE, gusts 10 mph15 km/h37%67%1
Sat 5pCloudy72°22° (likely 69°21° to 72°22°)72°22°0%6 mph10 km/h from SE, gusts 10 mph16 km/h39%79%0
Sat 6pCloudy68°20° (likely 64°18° to 68°20°)68°20°0%5 mph8 km/h from SE, gusts 8 mph12 km/h47%78%0
Sat 7pCloudy63°17° (likely 60°16° to 63°17°)63°17°0%5 mph8 km/h from ESE, gusts 8 mph13 km/h56%76%0
Sat 8pMostly clear57°14° (likely 57°14° to 59°15°)57°14°0%5 mph8 km/h from ESE, gusts 8 mph12 km/h67%56%0
Sat 9pMostly clear55°13° (likely 55°13° to 58°14°)55°13°0%3 mph5 km/h from SE, gusts 9 mph15 km/h72%45%0
Sat 10pMostly clear53°12° (likely 53°12° to 56°13°)53°12°0%3 mph5 km/h from SE, gusts 11 mph17 km/h77%14%0
Sat 11pClear52°11° (likely 52°11° to 55°13°)52°11°0%3 mph5 km/h from SE, gusts 10 mph15 km/h77%4%0
Sun 12aClear51°11° (likely 51°11° to 54°12°)51°11°0%3 mph5 km/h from SE, gusts 9 mph14 km/h80%40%0
Sun 1aClear50°10° (likely 50°10° to 53°12°)49°9°0%3 mph5 km/h from SE, gusts 9 mph14 km/h83%11%0
Sun 2aMostly clear49°9° (likely 48°9° to 52°11°)48°9°0%3 mph5 km/h from SE, gusts 8 mph13 km/h86%32%0
Sun 3aMostly clear48°9° (likely 48°9° to 52°11°)47°8°0%3 mph5 km/h from SE, gusts 8 mph13 km/h89%82%0
Sun 4aCloudy47°8° (likely 47°8° to 51°11°)46°8°0%3 mph5 km/h from SE, gusts 8 mph12 km/h89%77%0
Sun 5aCloudy46°8° (likely 46°8° to 50°10°)46°8°0%2 mph3 km/h from SE, gusts 7 mph12 km/h93%90%0
Sun 6aMostly clear46°8° (likely 45°7° to 49°9°)46°8°0%1 mph2 km/h from SE, gusts 6 mph10 km/h89%78%0
Sun 7aMostly sunny45°7° (likely 45°7° to 49°9°)45°7°0%1 mph2 km/h from SE, gusts 6 mph10 km/h93%73%0
Sun 8aMostly sunny47°8° (likely 46°8° to 51°11°)47°8°0%2 mph3 km/h from SE, gusts 6 mph10 km/h93%70%0
Sun 9aMostly sunny54°12° (likely 52°11° to 56°13°)54°12°0%2 mph3 km/h from SSE, gusts 7 mph11 km/h83%67%1
Sun 10aMostly sunny62°17° (likely 61°16° to 62°17°)62°17°0%3 mph5 km/h from SSE, gusts 9 mph14 km/h67%63%2
Sun 11aCloudy67°19° (likely 66°19° to 68°20°)67°19°0%3 mph5 km/h from SSE, gusts 8 mph13 km/h56%69%3
Sun 12pCloudy71°22° (likely 70°21° to 72°22°)71°22°0%2 mph3 km/h from S, gusts 7 mph11 km/h47%76%4
Sun 1pCloudy73°23° (likely 72°22° to 75°24°)73°23°0%2 mph3 km/h from S, gusts 6 mph10 km/h44%78%4
Sun 2pCloudy75°24° (likely 73°23° to 76°24°)75°24°0%2 mph3 km/h from S, gusts 6 mph10 km/h40%79%4
Sun 3pPartly sunny75°24° (likely 74°23° to 76°24°)75°24°0%1 mph2 km/h from S, gusts 4 mph7 km/h38%75%3
Sun 4pCloudy76°24° (likely 73°23° to 76°24°)76°24°0%1 mph2 km/h from S, gusts 5 mph8 km/h36%79%2
Sun 5pCloudy74°23° (likely 71°22° to 75°24°)74°23°0%1 mph2 km/h from SSE, gusts 5 mph8 km/h41%79%1
Sun 6pPartly cloudy71°22° (likely 66°19° to 71°22°)71°22°0%1 mph2 km/h from SSE, gusts 4 mph7 km/h46%63%0
Sun 7pCloudy66°19° (likely 63°17° to 66°19°)66°19°0%1 mph2 km/h from SE, gusts 5 mph8 km/h52%62%0
Sun 8pCloudy60°16° (likely 60°16° to 63°17°)60°16°0%1 mph2 km/h from SSE, gusts 6 mph9 km/h64%61%0
Sun 9pCloudy58°14° (likely 58°14° to 60°16°)58°14°0%1 mph2 km/h from SSE, gusts 7 mph11 km/h69%61%0
Sun 10pCloudy56°13° (likely 56°13° to 58°14°)56°13°0%1 mph2 km/h from SSE, gusts 7 mph11 km/h74%61%0
Sun 11pCloudy55°13° (likely 55°13° to 57°14°)55°13°0%1 mph2 km/h from SSE, gusts 7 mph11 km/h74%64%0
Mon 12aCloudy53°12° (likely 53°12° to 58°14°)53°12°0%0 mph0 km/h, gusts 6 mph9 km/h80%84%0
Mon 1aCloudy52°11° (likely 52°11° to 58°14°)52°11°0%0 mph0 km/h, gusts 5 mph8 km/h80%94%0
Mon 2aCloudy51°11° (likely 51°11° to 60°16°)51°11°0%0 mph0 km/h, gusts 4 mph6 km/h83%92%0
Mon 3aMostly cloudy50°10° (likely 50°10° to 60°16°)50°10°0%0 mph0 km/h, gusts 4 mph6 km/h86%77%0
Mon 4aMostly cloudy49°9° (likely 49°9° to 59°15°)49°9°0%0 mph0 km/h, gusts 4 mph6 km/h89%73%0
Mon 5aMostly cloudy49°9° (likely 49°9° to 58°14°)49°9°0%0 mph0 km/h, gusts 4 mph6 km/h86%60%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 73°23°, low 45°7°. Typical 62°17° / 43°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 73°23°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 57°14°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 46°8°

      Dry

    Official NWS forecast

    Today: Mostly sunny, with a high near 73. Southeast wind 3 to 7 mph.

    Tonight: Mostly clear, with a low around 45. Southeast wind around 5 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    72°22°–73°23°
    Low, likely
    44°7°–48°9°
    Typical high / low
    62°17° / 43°6°
    Wind
    8 mph13 km/h, gusts 15 mph25 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 76°24°, low 48°9°. Typical 61°16° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly cloudy, 49°9°

      Dry

    Official NWS forecast

    Day: Mostly sunny, with a high near 76. South southeast wind around 3 mph.

    Night: Mostly cloudy, with a low around 48. South southeast wind around 1 mph.

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

    High, likely
    74°23°–76°24°
    Low, likely
    45°7°–49°9°
    Typical high / low
    61°16° / 42°6°
    Wind
    7 mph12 km/h, gusts 12 mph20 km/h
    UV peak
    4
  3. Monday, Oct 26. Cloudy. High 76°24°, low 48°9°. Typical 60°16° / 42°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

      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: Partly sunny, with a high near 76. South wind around 2 mph.

    Night: Partly cloudy, with a low around 48. East southeast wind around 2 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    74°23°–76°24°
    Low, likely
    48°9°–55°13°
    Typical high / low
    60°16° / 42°6°
    Wind
    6 mph10 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Cloudy. High 74°23°, low 50°10°. Typical 60°16° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 54°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 73°23°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 63°17°

      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 74. South southeast wind 2 to 6 mph.

    Night: Mostly cloudy, with a low around 50.

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

    High, likely
    71°22°–74°23°
    Low, likely
    49°9°–56°13°
    Typical high / low
    60°16° / 42°6°
    Wind
    10 mph16 km/h, gusts 24 mph39 km/h
    UV peak
    3
  5. Wednesday, Oct 28. Cloudy. High 77°25°, low 51°11°. Typical 60°16° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 56°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 76°24°

      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 77.

    Night: Mostly clear, with a low around 51.

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

    High, likely
    73°23°–77°25°
    Low, likely
    51°11°–55°13°
    Typical high / low
    60°16° / 41°5°
    Wind
    13 mph21 km/h, gusts 22 mph35 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 76°24°, low 48°9°. Typical 59°15° / 41°5°. Dry. Mostly agree. Best day outdoors this week.
    1. Morning

      6 AM–noon

      Sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 65°18°

      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 76.

    Night: Partly cloudy, with a low around 48.

    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 76°24°).

    High, likely
    74°23°–79°26°
    Low, likely
    48°9°–57°14°
    Typical high / low
    59°15° / 41°5°
    Wind
    15 mph23 km/h, gusts 28 mph45 km/h
    UV peak
    4
  7. Friday, Oct 30. Cloudy. High 74°23°, low 49°9°. Typical 58°14° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 76°25°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 65°18°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 59°15°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 74.

    Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 49.

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

    High, likely
    74°23°–79°26°
    Low, likely
    49°9°–58°14°
    Typical high / low
    58°14° / 41°5°
    Wind
    11 mph18 km/h, gusts 29 mph46 km/h
    UV peak
    3
  8. Saturday, Oct 31. Drizzle. High 75°24°, low 59°15°. Typical 58°14° / 40°4°. Rain 0.1 in2.5 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 63°17°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

      20% chance

    3. Evening

      6 PM–midnight

      Drizzle, 67°19°

      30% chance · 0.1 in2.5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 62°17°

      40% chance · 0.12 in3.1 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°–79°26°
    Low, likely
    56°13°–61°16°
    Typical high / low
    58°14° / 40°4°
    Wind
    15 mph24 km/h, gusts 30 mph48 km/h
    UV peak
    2
  9. Sunday, Nov 1. Drizzle. High 68°20°, low 61°16°. Typical 57°14° / 40°4°. Rain 0.51 in13 mm, 50% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Partly sunny, 63°17°

      40% chance · 0.11 in2.8 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 67°20°

      40% chance · 0.15 in3.8 mm

    3. Evening

      6 PM–midnight

      Drizzle, 65°19°

      40% chance · 0.02 in0.5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 61°16°

      40% chance · 0.1 in2.5 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
    68°20°–70°21°
    Low, likely
    57°14°–64°18°
    Typical high / low
    57°14° / 40°4°
    Wind
    25 mph41 km/h, gusts 43 mph70 km/h
    UV peak
    2
  10. Monday, Nov 2. Cloudy. High 68°20°, low 60°16°. Typical 57°14° / 40°4°. Rain 0.45 in11 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 63°17°

      40% chance · 0.13 in3.2 mm

    2. Afternoon

      noon–6 PM

      Rain, 67°19°

      30% chance · 0.29 in7.3 mm

    3. Evening

      6 PM–midnight

      Rain, 66°19°

      30% chance · 0.18 in4.6 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
    66°19°–70°21°
    Low, likely
    58°14°–64°18°
    Typical high / low
    57°14° / 40°4°
    Wind
    17 mph27 km/h, gusts 32 mph52 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 73°, low 45°.

  2. Tomorrow

    Dry, high 76°, low 48°, warming up.

  3. Monday

    Dry, high 76°, low 48°.

  4. Rest of week

    Highs 68–77°; chance of precipitation on Sunday.

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

West Okaw River near Lovington

7.8 mi
Level
2.2 ft

Reading from Sat 5 AM · NWS gauge page

Sangamon River at Decatur

12 mi
Level
1.8 ft
Flow
under 1 cfs

Reading from Sat 4:45 AM · NWS gauge page

Lake Fork (E-IL) at Atwood

19 mi
Level
3.0 ft
Flow
65 cfs

Reading from Sat 5:15 AM · NWS gauge page

Whitley Creek near Allenville

21 mi
Level
2.2 ft

Reading from Sat 5 AM · NWS gauge page

For your home

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

Heating this week

About 83% less heating than a typical week.

This week 16Typical 99

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
7
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 1 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 43°F).

Open the windows?

Today, 10:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

DECATUR WTP · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

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

Normal high / low
62°17° / 43°6°
Forecast high / low
73°23° / 45°7°
Record high
83°28° in 1921
Record low
18°−8° 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

Dalton City weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:15 AM, sunset 6:03 PM.

Daylight
10 h 48 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 27 min less
Golden hour
5:25–6:20 PM
Morning 6:58–7:52 AM
Blue hour
6:20–6:30 PM
Morning 6:47–6:58 AM; first light 6:47 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

96% lit · growing

Today
sets 5:29 AM · rises 5:00 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Dalton City. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.