Skip to forecast
Search a place

Observed 8:54 AM CDT at KDEC

Long Creek, IL weather

Sunny and 52°11°, 12°7° warmer than a typical Oct 23, jacket by 9 PM.

Today: low 46°8° (likely 45°7° to 47°8°), high 74°23° (likely 72°22° to 74°23°).

Mostly agree

Now 52°11°

Sunny

Wind
Calm
Up to 6 mph10 km/h through 9 PM
Dew point
48°9°
Comfortable
UV index
2Low
Moderate 11 AM–4 PM · peak 4
Air quality
61Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.33 inHg1027 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Above 60°16° today by 11 AM
  • High 74°23° today at 4 PM
  • Drops 12°7° tonight 6–9 PM (69°21° → 57°14°)
  • Below 60°16° tonight after 8 PM
  • Low 46°8° tomorrow at 7 AM
  1. This morningUp to 63°17° by 11 AM · Clear
  2. This afternoonUp to 74°23° by 4 PM · Clear
  3. TonightDown to 47°8° by 4 AM · Partly cloudy
  4. Tomorrow morningUp to 66°19° by 11 AM · Mostly cloudy
  5. Tomorrow afternoonUp to 73°23° by 3 PM · Mostly cloudy
  6. Tomorrow nightDown to 47°8° by 5 AM · Partly cloudy
  7. Sunday morningUp to 52°11° by 8 AM · Partly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Fri 9aSunny54°12° (likely 52°11° to 56°13°)54°12°0%5 mph8 km/h from SE, gusts 9 mph15 km/h80%0%1
Fri 10aSunny58°14° (likely 58°14° to 62°17°)58°14°0%6 mph10 km/h from SSE, gusts 10 mph17 km/h75%0%2
Fri 11aSunny63°17° (likely 63°17° to 68°20°)63°17°0%6 mph10 km/h from SSE, gusts 10 mph16 km/h60%0%3
Fri 12pSunny66°19° (likely 66°19° to 71°22°)66°19°0%6 mph10 km/h from SSE, gusts 9 mph14 km/h52%0%4
Fri 1pSunny69°21° (likely 69°21° to 73°23°)69°21°0%6 mph10 km/h from SSE, gusts 8 mph14 km/h46%0%4
Fri 2pSunny73°23° (likely 72°22° to 74°23°)73°23°0%6 mph10 km/h from SE, gusts 8 mph13 km/h41%0%4
Fri 3pSunny73°23° (likely 72°22° to 74°23°)73°23°0%5 mph8 km/h from SE, gusts 7 mph12 km/h40%5%4
Fri 4pSunny74°23° (likely 71°22° to 74°23°)74°23°0%6 mph10 km/h from SE, gusts 7 mph12 km/h38%1%2
Fri 5pSunny73°23° (likely 68°20° to 73°23°)73°23°0%6 mph10 km/h from SE, gusts 8 mph13 km/h40%3%1
Fri 6pClear69°21° (likely 63°17° to 69°21°)69°21°0%6 mph10 km/h from ESE, gusts 7 mph12 km/h47%11%0
Fri 7pClear64°18° (likely 61°16° to 64°18°)64°18°0%6 mph10 km/h from ESE, gusts 11 mph17 km/h56%17%0
Fri 8pMostly clear57°14° (likely 57°14° to 59°15°)57°14°0%6 mph10 km/h from ESE, gusts 13 mph21 km/h67%30%0
Fri 9pMostly clear55°13° (likely 55°13° to 58°14°)55°13°0%6 mph10 km/h from ESE, gusts 13 mph20 km/h72%27%0
Fri 10pClear53°12° (likely 53°12° to 56°13°)53°12°0%5 mph8 km/h from ESE, gusts 12 mph20 km/h77%2%0
Fri 11pClear52°11° (likely 52°11° to 55°13°)52°11°0%5 mph8 km/h from ESE, gusts 12 mph20 km/h80%3%0
Sat 12aClear52°11° (likely 51°11° to 54°12°)52°11°0%5 mph8 km/h from SE, gusts 13 mph20 km/h80%4%0
Sat 1aMostly clear51°11° (likely 51°11° to 53°12°)51°11°0%5 mph8 km/h from SE, gusts 12 mph19 km/h83%9%0
Sat 2aMostly clear49°9° (likely 49°9° to 52°11°)47°8°0%5 mph8 km/h from SE, gusts 11 mph18 km/h86%64%0
Sat 3aMostly clear49°9° (likely 49°9° to 51°11°)47°8°0%5 mph8 km/h from SE, gusts 12 mph19 km/h86%67%0
Sat 4aMostly clear47°8° (likely 47°8° to 51°11°)45°7°0%5 mph8 km/h from SE, gusts 11 mph17 km/h93%69%0
Sat 5aMostly clear47°8° (likely 47°8° to 50°10°)45°7°0%5 mph8 km/h from SE, gusts 10 mph16 km/h93%76%0
Sat 6aMostly clear47°8° (likely 46°8° to 49°9°)45°7°0%5 mph8 km/h from SE, gusts 10 mph16 km/h89%75%0
Sat 7aMostly sunny46°8° (likely 46°8° to 49°9°)44°7°0%5 mph8 km/h from SE, gusts 10 mph16 km/h93%72%0
Sat 8aMostly sunny48°9° (likely 47°8° to 51°11°)45°7°0%6 mph10 km/h from SE, gusts 10 mph15 km/h93%66%0
Sat 9aMostly sunny54°12° (likely 53°12° to 55°13°)54°12°0%6 mph10 km/h from SE, gusts 10 mph17 km/h86%73%1
Sat 10aMostly sunny61°16° (likely 59°15° to 61°16°)61°16°0%6 mph10 km/h from SE, gusts 12 mph19 km/h72%67%2
Sat 11aCloudy66°19° (likely 64°18° to 66°19°)66°19°0%6 mph10 km/h from SSE, gusts 12 mph19 km/h58%74%3
Sat 12pCloudy68°20° (likely 67°19° to 69°21°)68°20°0%6 mph10 km/h from SSE, gusts 10 mph17 km/h53%79%4
Sat 1pCloudy72°22° (likely 70°21° to 72°22°)72°22°0%6 mph10 km/h from SSE, gusts 9 mph15 km/h46%79%4
Sat 2pPartly sunny72°22° (likely 71°22° to 73°23°)72°22°0%6 mph10 km/h from SSE, gusts 9 mph14 km/h43%67%4
Sat 3pPartly sunny73°23° (likely 71°22° to 73°23°)73°23°0%6 mph10 km/h from SSE, gusts 9 mph15 km/h40%54%3
Sat 4pPartly sunny73°23° (likely 71°22° to 73°23°)73°23°0%6 mph10 km/h from SSE, gusts 9 mph15 km/h40%49%2
Sat 5pPartly sunny72°22° (likely 68°20° to 72°22°)72°22°0%6 mph10 km/h from SE, gusts 9 mph15 km/h43%46%1
Sat 6pPartly cloudy68°20° (likely 63°17° to 68°20°)68°20°0%6 mph10 km/h from SE, gusts 8 mph13 km/h51%39%0
Sat 7pMostly clear63°17° (likely 61°16° to 63°17°)63°17°0%5 mph8 km/h from SE, gusts 9 mph14 km/h58%28%0
Sat 8pPartly cloudy58°14° (likely 58°14° to 60°16°)58°14°0%5 mph8 km/h from SE, gusts 10 mph16 km/h67%42%0
Sat 9pClear56°13° (likely 56°13° to 58°14°)56°13°0%5 mph8 km/h from SE, gusts 10 mph16 km/h72%6%0
Sat 10pMostly clear54°12° (likely 54°12° to 56°13°)54°12°0%5 mph8 km/h from SE, gusts 11 mph17 km/h77%9%0
Sat 11pClear53°12° (likely 53°12° to 55°13°)53°12°0%5 mph8 km/h from SE, gusts 10 mph17 km/h77%32%0
Sun 12aClear52°11° (likely 52°11° to 54°12°)52°11°0%3 mph5 km/h from SSE, gusts 11 mph17 km/h80%42%0
Sun 1aClear51°11° (likely 51°11° to 53°12°)51°11°0%3 mph5 km/h from SSE, gusts 11 mph17 km/h80%44%0
Sun 2aMostly clear50°10° (likely 50°10° to 52°11°)49°9°0%3 mph5 km/h from SSE, gusts 10 mph16 km/h83%42%0
Sun 3aClear49°9° (likely 49°9° to 51°11°)48°9°0%3 mph5 km/h from SSE, gusts 9 mph15 km/h83%44%0
Sun 4aMostly clear48°9° (likely 48°9° to 50°10°)47°8°0%3 mph5 km/h from SSE, gusts 9 mph14 km/h86%44%0
Sun 5aPartly cloudy47°8° (likely 47°8° to 50°10°)46°8°0%3 mph5 km/h from SSE, gusts 8 mph13 km/h86%51%0
Sun 6aPartly cloudy47°8° (likely 47°8° to 50°10°)47°8°0%2 mph3 km/h from SSE, gusts 7 mph12 km/h86%58%0
Sun 7aPartly sunny46°8° (likely 46°8° to 51°11°)46°8°0%2 mph3 km/h from SSE, gusts 7 mph11 km/h89%56%0
Sun 8aPartly sunny52°11° (likely 48°9° to 55°13°)52°11°0%2 mph3 km/h from SSE, gusts 6 mph10 km/h77%61%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 23. Sunny. High 74°23°, low 46°8°. Typical 62°17° / 43°6°. Dry. Mostly agree. Best day outdoors this week.
    1. Morning

      6 AM–noon

      Sunny, 63°17°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 74°23°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 57°14°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 47°8°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 74. Southeast wind around 6 mph.

    Tonight: Mostly clear, with a low around 46. East southeast wind around 6 mph.

    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 74°23°).

    High, likely
    72°22°–74°23°
    Low, likely
    45°7°–47°8°
    Typical high / low
    62°17° / 43°6°
    Wind
    9 mph14 km/h, gusts 19 mph30 km/h
    UV peak
    4
  2. Tomorrow, Oct 24. Cloudy. High 73°23°, low 46°8°. Typical 62°17° / 43°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 73°23°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 58°14°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 47°8°

      Dry

    Official NWS forecast

    Day: Mostly sunny, with a high near 73. Southeast wind around 6 mph.

    Night: Partly cloudy, with a low around 46. Southeast wind around 6 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    71°22°–73°23°
    Low, likely
    46°8°–49°9°
    Typical high / low
    62°17° / 43°6°
    Wind
    8 mph14 km/h, gusts 18 mph29 km/h
    UV peak
    4
  3. Sunday, Oct 25. Cloudy. High 76°24°, low 47°8°. Typical 61°16° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

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

    Night: Partly cloudy, with a low around 47. South wind around 2 mph.

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

    High, likely
    74°23°–77°25°
    Low, likely
    47°8°–50°10°
    Typical high / low
    61°16° / 42°6°
    Wind
    8 mph13 km/h, gusts 15 mph24 km/h
    UV peak
    4
  4. Monday, Oct 26. Cloudy. High 75°24°, low 48°9°. Typical 60°16° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      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 75. South wind around 3 mph.

    Night: Mostly cloudy, with a low around 48.

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

    High, likely
    74°23°–77°25°
    Low, likely
    48°9°–56°13°
    Typical high / low
    60°16° / 42°6°
    Wind
    7 mph12 km/h, gusts 13 mph22 km/h
    UV peak
    3
  5. Tuesday, Oct 27. Cloudy. High 73°23°, low 47°8°. Typical 60°16° / 42°6°. 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, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 56°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 73.

    Night: Mostly cloudy, with a low around 47.

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

    High, likely
    71°22°–74°23°
    Low, likely
    47°8°–56°13°
    Typical high / low
    60°16° / 42°6°
    Wind
    10 mph15 km/h, gusts 24 mph39 km/h
    UV peak
    3
  6. Wednesday, Oct 28. Cloudy. High 74°23°, low 48°9°. Typical 60°16° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 74°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 56°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 74.

    Night: Mostly clear, with a low around 48.

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

    High, likely
    73°23°–75°24°
    Low, likely
    48°9°–58°14°
    Typical high / low
    60°16° / 41°5°
    Wind
    12 mph19 km/h, gusts 21 mph34 km/h
    UV peak
    4
  7. Thursday, Oct 29. Partly sunny. High 73°23°, low 46°8°. Typical 59°15° / 41°5°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 47°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 73.

    Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 46.

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

    High, likely
    68°20°–77°25°
    Low, likely
    46°8°–57°14°
    Typical high / low
    59°15° / 41°5°
    Wind
    15 mph23 km/h, gusts 32 mph52 km/h
    UV peak
    3
  8. Friday, Oct 30. Drizzle. High 64°18°, low 48°9°. Typical 58°14° / 41°5°. Rain 0.08 in2 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Drizzle, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 53°12°

      Dry

    4. Overnight

      midnight–6 AM

      Drizzle, 47°8°

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

    High, likely
    56°13°–72°22°
    Low, likely
    40°4°–54°12°
    Typical high / low
    58°14° / 41°5°
    Wind
    11 mph18 km/h, gusts 22 mph36 km/h
  9. Saturday, Oct 31. Cloudy. High 64°18°, low 50°10°. Typical 58°14° / 40°4°. Rain 0.1 in2.5 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 49°9°

      30% chance · 0.03 in0.8 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 62°17°

      30% chance

    3. Evening

      6 PM–midnight

      Cloudy, 57°14°

      30% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 53°12°

      30% chance

    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
    58°14°–70°21°
    Low, likely
    42°6°–58°14°
    Typical high / low
    58°14° / 40°4°
    Wind
    12 mph19 km/h, gusts 20 mph33 km/h
    UV peak
    1
  10. Sunday, Nov 1. Cloudy. High 66°19°, low 54°12°. Typical 57°14° / 40°4°. Rain 0.14 in3.6 mm, 30% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Partly sunny, 54°12°

      30% chance

    2. Afternoon

      noon–6 PM

      Mostly sunny, 64°18°

      20% chance · 0.04 in1 mm

    3. Evening

      6 PM–midnight

      Partly cloudy, 59°15°

      20% chance

    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
    65°18°–67°19°
    Low, likely
    51°11°–58°14°
    Typical high / low
    57°14° / 40°4°
    Wind
    14 mph23 km/h, gusts 28 mph45 km/h
    UV peak
    4

The outlook

  1. Today

    Dry, high 74°, low 46°.

  2. Tomorrow

    Dry, high 73°, low 46°.

  3. Sunday

    Dry, high 76°, low 47°, warming up.

  4. Rest of week

    Mostly dry, highs 64–75°.

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

Sangamon River at Decatur

7.1 mi
Level
1.9 ft
Flow
under 1 cfs

Reading from Fri 7:45 AM · NWS gauge page

West Okaw River near Lovington

11 mi
Level
2.2 ft

Reading from Fri 9 AM · NWS gauge page

Lake Fork (E-IL) at Atwood

20 mi
Level
3.0 ft
Flow
65 cfs

Reading from Fri 8:15 AM · NWS gauge page

Sangamon River at Monticello

21 mi
Below flood stage
Level
4.9 ft
Flow
56 cfs

Reading from Fri 9 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 17Typical 96

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.

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 11:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

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

Oct 23, today vs a typical year

Today’s expected high is 12°7° warmer than typical.

Normal high / low
62°17° / 43°6°
Forecast high / low
74°23° / 46°8°
Record high
86°30° in 1963
Record low
22°−6° in 1982

Last 7 days vs normal

  1. —SatOct 17
  2. —SunOct 18
  3. —MonOct 19
  4. —TueOct 20
  5. —WedOct 21
  6. —ThuOct 22
  7. —FriOct 23

Long Creek weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:14 AM, sunset 6:04 PM.

Daylight
10 h 50 min
Losing 2 min 30 s a day; shortest Dec 21, 1 h 29 min less
Golden hour
5:27–6:21 PM
Morning 6:57–7:51 AM
Blue hour
6:21–6:32 PM
Morning 6:46–6:57 AM; first light 6:46 AM

Stars tonight? Fair

Mostly clear 10 PM–2 AM, but the moon is 95% lit and up.

Moon

Waxing gibbous

92% lit · growing

Today
sets 4:21 AM · rises 4:36 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Long Creek. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.