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Observed 9:55 AM CDT at KDEC

Chestnut, IL weather

Sunny and 57°14°, 12°7° warmer than a typical Oct 24.

Today: low 47°8° (likely 45°7° to 47°8°), high 74°23° (likely 71°22° to 74°23°).

Forecasts agree

Now 57°14°

Sunny

Wind
3 mph5 km/h
From the southeast. 35–8 mph13 km/h through 10 PM
Dew point
48°9°
Comfortable
UV index
1Low
Moderate 11 AM–3 PM · peak 4
Air quality
53Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.42 inHg1030 hPa
Steady over the last 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, 51°11° now)

Good hours for
  • High 74°23° today at 4 PM
  • Below 60°16° tonight after 9 PM
  • Low 47°8° tomorrow at 7 AM
  • Above 60°16° tomorrow by 10 AM
  1. This morningUp to 65°18° by 11 AM · Mostly cloudy
  2. This afternoonUp to 74°23° by 4 PM · Mostly cloudy
  3. TonightDown to 49°9° by 4 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 50°10° by 5 AM · Mostly cloudy
  7. Monday morningUp to 58°14° by 9 AM · Cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 10aMostly cloudy61°16° (likely 58°14° to 61°16°)61°16°0%8 mph13 km/h from SSE, gusts 11 mph17 km/h62%46%1
Sat 11aCloudy65°18° (likely 63°17° to 66°19°)65°18°0%8 mph13 km/h from SSE, gusts 12 mph19 km/h52%79%3
Sat 12pCloudy69°21° (likely 67°19° to 70°21°)69°21°0%8 mph13 km/h from SSE, gusts 10 mph17 km/h45%80%4
Sat 1pCloudy72°22° (likely 70°21° to 72°22°)72°22°0%8 mph13 km/h from SSE, gusts 9 mph14 km/h41%77%4
Sat 2pSunny73°23° (likely 71°22° to 73°23°)73°23°0%8 mph13 km/h from SSE, gusts 8 mph13 km/h40%34%3
Sat 3pPartly sunny73°23° (likely 71°22° to 73°23°)73°23°0%8 mph13 km/h from SSE, gusts 9 mph15 km/h38%59%2
Sat 4pPartly sunny74°23° (likely 70°21° to 74°23°)74°23°0%8 mph13 km/h from SSE, gusts 9 mph15 km/h37%56%1
Sat 5pCloudy72°22° (likely 68°20° to 72°22°)72°22°0%7 mph11 km/h from SSE, gusts 10 mph15 km/h39%63%0
Sat 6pCloudy69°21° (likely 63°17° to 69°21°)69°21°0%7 mph11 km/h from SE, gusts 8 mph13 km/h44%64%0
Sat 7pPartly cloudy65°18° (likely 60°16° to 65°18°)65°18°0%6 mph10 km/h from SE, gusts 8 mph13 km/h48%54%0
Sat 8pMostly clear60°16° (likely 59°15° to 60°16°)60°16°0%6 mph10 km/h from SE, gusts 9 mph15 km/h60%53%0
Sat 9pMostly clear58°14° (likely 57°14° to 58°14°)58°14°0%5 mph8 km/h from SE, gusts 10 mph16 km/h64%36%0
Sat 10pClear56°13° (likely 55°13° to 57°14°)56°13°0%5 mph8 km/h from SE, gusts 12 mph19 km/h66%2%0
Sat 11pClear54°12° (likely 54°12° to 55°13°)54°12°0%5 mph8 km/h from SE, gusts 11 mph18 km/h71%1%0
Sun 12aClear53°12° (likely 52°11° to 54°12°)53°12°0%3 mph5 km/h from SE, gusts 10 mph16 km/h74%31%0
Sun 1aCloudy52°11° (likely 51°11° to 53°12°)52°11°0%3 mph5 km/h from SE, gusts 10 mph16 km/h77%60%0
Sun 2aMostly clear51°11° (likely 50°10° to 52°11°)51°11°0%3 mph5 km/h from SE, gusts 9 mph15 km/h80%43%0
Sun 3aMostly clear50°10° (likely 49°9° to 51°11°)49°9°0%3 mph5 km/h from SE, gusts 9 mph15 km/h80%45%0
Sun 4aCloudy49°9° (likely 48°9° to 51°11°)48°9°0%3 mph5 km/h from SE, gusts 8 mph13 km/h86%74%0
Sun 5aCloudy49°9° (likely 48°9° to 50°10°)48°9°0%3 mph5 km/h from SE, gusts 8 mph13 km/h83%72%0
Sun 6aMostly clear48°9° (likely 47°8° to 49°9°)48°9°0%2 mph3 km/h from SE, gusts 8 mph13 km/h86%84%0
Sun 7aCloudy47°8° (likely 46°8° to 49°9°)47°8°0%2 mph3 km/h from SE, gusts 8 mph13 km/h86%71%0
Sun 8aMostly sunny48°9° (likely 47°8° to 51°11°)47°8°0%3 mph5 km/h from SSE, gusts 8 mph13 km/h89%65%0
Sun 9aMostly sunny54°12° (likely 54°12° to 56°13°)54°12°0%3 mph5 km/h from SSE, gusts 9 mph14 km/h80%32%1
Sun 10aCloudy62°17° (likely 60°16° to 62°17°)62°17°0%5 mph8 km/h from SSE, gusts 10 mph16 km/h65%73%2
Sun 11aCloudy67°19° (likely 64°18° to 68°20°)67°19°0%5 mph8 km/h from S, gusts 10 mph16 km/h54%76%3
Sun 12pCloudy70°21° (likely 68°20° to 72°22°)70°21°0%3 mph5 km/h from S, gusts 8 mph14 km/h49%77%3
Sun 1pCloudy74°23° (likely 71°22° to 74°23°)74°23°0%3 mph5 km/h from S, gusts 8 mph12 km/h41%80%4
Sun 2pCloudy75°24° (likely 73°23° to 76°24°)75°24°0%3 mph5 km/h from S, gusts 7 mph10 km/h40%80%4
Sun 3pCloudy75°24° (likely 73°23° to 77°25°)75°24°0%3 mph5 km/h from S, gusts 5 mph8 km/h38%80%3
Sun 4pCloudy76°24° (likely 72°22° to 77°25°)76°24°0%3 mph5 km/h from S, gusts 5 mph8 km/h37%80%2
Sun 5pCloudy74°23° (likely 70°21° to 76°24°)74°23°0%3 mph5 km/h from SSE, gusts 5 mph8 km/h41%80%1
Sun 6pCloudy71°22° (likely 65°18° to 71°22°)71°22°0%2 mph3 km/h from SSE, gusts 4 mph6 km/h44%77%0
Sun 7pPartly cloudy66°19° (likely 62°17° to 66°19°)66°19°0%2 mph3 km/h from SE, gusts 5 mph8 km/h52%76%0
Sun 8pPartly cloudy61°16° (likely 60°16° to 63°17°)61°16°0%2 mph3 km/h from SSE, gusts 7 mph11 km/h62%57%0
Sun 9pMostly cloudy59°15° (likely 58°14° to 60°16°)59°15°0%1 mph2 km/h from SSE, gusts 7 mph12 km/h67%37%0
Sun 10pMostly clear57°14° (likely 56°13° to 58°14°)57°14°0%1 mph2 km/h from SSE, gusts 7 mph12 km/h69%19%0
Sun 11pMostly cloudy56°13° (likely 55°13° to 57°14°)56°13°0%1 mph2 km/h from SSE, gusts 7 mph11 km/h72%58%0
Mon 12aCloudy54°12° (likely 54°12° to 56°13°)54°12°0%1 mph2 km/h from S, gusts 7 mph11 km/h77%78%0
Mon 1aCloudy53°12° (likely 53°12° to 55°13°)53°12°0%1 mph2 km/h from S, gusts 6 mph10 km/h80%90%0
Mon 2aCloudy52°11° (likely 52°11° to 54°12°)52°11°0%1 mph2 km/h from S, gusts 7 mph11 km/h83%87%0
Mon 3aCloudy51°11° (likely 51°11° to 54°12°)51°11°0%0 mph0 km/h, gusts 7 mph11 km/h83%91%0
Mon 4aCloudy51°11° (likely 51°11° to 53°12°)51°11°0%0 mph0 km/h, gusts 6 mph9 km/h83%88%0
Mon 5aCloudy50°10° (likely 50°10° to 53°12°)50°10°0%0 mph0 km/h, gusts 5 mph8 km/h83%74%0
Mon 6aCloudy50°10° (likely 50°10° to 53°12°)50°10°0%0 mph0 km/h, gusts 5 mph7 km/h83%83%0
Mon 7aCloudy49°9° (likely 49°9° to 54°12°)49°9°0%0 mph0 km/h, gusts 4 mph7 km/h86%90%0
Mon 8aCloudy54°12° (likely 50°10° to 58°14°)54°12°0%1 mph2 km/h from SSE, gusts 4 mph6 km/h77%92%0
Mon 9aCloudy58°14° (likely 56°13° to 62°17°)58°14°0%1 mph2 km/h from S, gusts 5 mph8 km/h72%85%1

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 74°23°, low 47°8°. Typical 62°17° / 39°4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 65°18°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 74°23°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 49°9°

      Dry

    Official NWS forecast

    Today: Partly sunny, with a high near 74. Southeast wind around 8 mph.

    Tonight: Mostly clear, with a low around 47. Southeast wind 3 to 7 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    71°22°–74°23°
    Low, likely
    45°7°–47°8°
    Typical high / low
    62°17° / 39°4°
    Wind
    9 mph14 km/h, gusts 17 mph28 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 76°24°, low 49°9°. Typical 62°17° / 39°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Mostly cloudy, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 50°10°

      Dry

    Official NWS forecast

    Day: Mostly sunny, with a high near 76. South southeast wind around 5 mph.

    Night: Mostly cloudy, with a low around 49. South southeast wind around 2 mph.

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

    High, likely
    73°23°–77°25°
    Low, likely
    46°8°–49°9°
    Typical high / low
    62°17° / 39°4°
    Wind
    8 mph12 km/h, gusts 14 mph23 km/h
    UV peak
    4
  3. Monday, Oct 26. Mostly cloudy. High 76°24°, low 49°9°. Typical 61°16° / 38°3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 54°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 75°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 southeast wind 0 to 3 mph.

    Night: Mostly cloudy, with a low around 49. East southeast wind around 5 mph.

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

    High, likely
    73°23°–76°24°
    Low, likely
    49°9°–52°11°
    Typical high / low
    61°16° / 38°3°
    Wind
    6 mph10 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Cloudy. High 74°23°, low 52°11°. Typical 61°16° / 38°3°. 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, 56°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 3 to 8 mph.

    Night: Mostly cloudy, with a low around 52.

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

    High, likely
    70°21°–74°23°
    Low, likely
    49°9°–56°13°
    Typical high / low
    61°16° / 38°3°
    Wind
    10 mph16 km/h, gusts 21 mph33 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Partly sunny. High 78°26°, low 52°11°. Typical 60°16° / 38°3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 56°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 75°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 57°14°

      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
    73°23°–78°26°
    Low, likely
    52°11°–56°13°
    Typical high / low
    60°16° / 38°3°
    Wind
    12 mph19 km/h, gusts 22 mph36 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 76°24°, low 49°9°. Typical 60°16° / 38°3°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 58°14°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 66°19°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 56°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 49.

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

    High, likely
    73°23°–79°26°
    Low, likely
    49°9°–59°15°
    Typical high / low
    60°16° / 38°3°
    Wind
    13 mph21 km/h, gusts 28 mph44 km/h
    UV peak
    4
  7. Friday, Oct 30. Partly sunny. High 73°23°, low 51°11°. Typical 59°15° / 37°3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 76°24°

      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 73.

    Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 51.

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

    High, likely
    73°23°–78°26°
    Low, likely
    51°11°–58°14°
    Typical high / low
    59°15° / 37°3°
    Wind
    12 mph19 km/h, gusts 26 mph42 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 73°23°, low 60°16°. Typical 59°15° / 37°3°. Rain 0.11 in2.8 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 62°17°

      20% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 73°23°

      30% chance

    3. Evening

      6 PM–midnight

      Cloudy, 68°20°

      40% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 65°18°

      40% chance · 0.04 in0.9 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
    69°21°–80°27°
    Low, likely
    57°14°–61°16°
    Typical high / low
    59°15° / 37°3°
    Wind
    13 mph21 km/h, gusts 26 mph41 km/h
    UV peak
    2
  9. Sunday, Nov 1. Showers. High 69°21°, low 61°16°. Typical 58°14° / 37°3°. Rain 0.51 in13 mm, 50% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Drizzle, 66°19°

      50% chance · 0.12 in3.1 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 67°20°

      50% chance · 0.17 in4.3 mm

    3. Evening

      6 PM–midnight

      Drizzle, 64°18°

      40% chance · 0.17 in4.2 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 58°15°

      40% chance · 0.1 in2.4 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
    67°19°–70°21°
    Low, likely
    58°14°–64°18°
    Typical high / low
    58°14° / 37°3°
    Wind
    24 mph38 km/h, gusts 41 mph66 km/h
    UV peak
    1
  10. Monday, Nov 2. Rain. High 64°18°, low 55°13°. Typical 58°14° / 36°2°. Rain 0.59 in15 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 59°15°

      40% chance · 0.11 in2.8 mm

    2. Afternoon

      noon–6 PM

      Rain, 60°15°

      40% chance · 0.38 in9.7 mm

    3. Evening

      6 PM–midnight

      Rain, 62°16°

      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.

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

    High, likely
    60°16°–70°21°
    Low, likely
    48°9°–65°18°
    Typical high / low
    58°14° / 36°2°
    Wind
    25 mph40 km/h, gusts 40 mph64 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 74°, low 47°.

  2. Tomorrow

    Dry, high 76°, low 49°.

  3. Monday

    Dry, high 76°, low 49°.

  4. Rest of week

    Highs 64–78°; chance of precipitation on Sunday, Monday.

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

Salt Creek (IL) near Rowell

8.4 mi
Below flood stage
Level
9.1 ft
Flow
20 cfs

Reading from Sat 9:30 AM · NWS gauge page

Lake Fork (Central IL) near Cornland

13 mi
Level
3.4 ft
Flow
8 cfs

Reading from Sat 8:30 AM · NWS gauge page

Kickapoo Creek at Waynesville

14 mi
Level
2.4 ft
Flow
14 cfs

Reading from Sat 9:15 AM · NWS gauge page

Sangamon River at Decatur

19 mi
Level
1.8 ft
Flow
under 1 cfs

Reading from Sat 8:45 AM · NWS gauge page

For your home

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

Heating this week

About 87% less heating than a typical week.

This week 14Typical 109

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
1
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–8:00 PM

Good stretch to open the windows.

Is this typical?

LINCOLN · official normals 1991–2020 · records 1906–2026

Oct 24, today vs a typical year

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

Normal high / low
62°17° / 39°4°
Forecast high / low
74°23° / 47°8°
Record high
87°31° in 1992
Record low
18°−8° in 1988

Last 7 days vs normal

On average 2°1° warmer than normal (daily mean temperature).

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

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

Sun & moon

Sun

Sunrise 7:17 AM, sunset 6:04 PM.

Daylight
10 h 47 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 28 min less
Golden hour
5:26–6:21 PM
Morning 7:00–7:54 AM
Blue hour
6:21–6:31 PM
Morning 6:49–7:00 AM; first light 6:49 AM

Stars tonight? Fair

Mostly clear 10 PM–12 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:31 AM · rises 5:01 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Chestnut. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.