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Observed 12:35 PM CDT at KARR

Boulder Hill, IL weather

Sunny and 66°19°, 11°6° warmer than a typical Oct 24.

Today: low 48°9° (likely 46°8° to 48°9°), high 71°22° (likely 67°19° to 71°22°).

Mostly agree

Now 66°19°

Sunny

Wind
8 mph13 km/h
From the southeast. 58–10 mph16 km/h through 12 AM
Dew point
48°9°
Comfortable
UV index
4Moderate
Moderate until 4 PM
Air quality
71Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.39 inHg1029 hPa
Falling · −0.05 inHg−1.7 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

4°2° cooler than this time yesterday (68°20° then, 64°18° now)

Good hours for
  • High 71°22° today at 3 PM
  • Below 60°16° tonight after 8 PM
  • Low 48°9° tomorrow at 7 AM
  • Above 60°16° tomorrow by 10 AM
  1. This afternoonUp to 71°22° by 3 PM · Partly cloudy
  2. TonightDown to 49°9° by 5 AM · Partly cloudy
  3. Tomorrow morningUp to 64°18° by 11 AM · Cloudy
  4. Tomorrow afternoonUp to 74°23° by 3 PM · Mostly cloudy
  5. Tomorrow nightDown to 50°10° by 5 AM · Mostly cloudy
  6. Monday morningUp to 64°18° by 11 AM · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 12pCloudy66°19° (likely 62°17° to 66°19°)66°19°0%5 mph8 km/h from SSE, gusts 11 mph17 km/h54%82%3
Sat 1pCloudy69°21° (likely 65°18° to 69°21°)69°21°0%10 mph16 km/h from SSE, gusts 11 mph18 km/h49%81%4
Sat 2pSunny70°21° (likely 66°19° to 70°21°)70°21°0%10 mph16 km/h from SSE, gusts 10 mph17 km/h46%42%4
Sat 3pSunny71°22° (likely 67°19° to 71°22°)71°22°0%10 mph16 km/h from SSE, gusts 11 mph17 km/h43%35%3
Sat 4pPartly sunny71°22° (likely 67°19° to 71°22°)71°22°0%5 mph8 km/h from SSE, gusts 11 mph18 km/h43%59%2
Sat 5pMostly cloudy70°21° (likely 65°18° to 70°21°)70°21°0%5 mph8 km/h from SSE, gusts 11 mph18 km/h46%58%1
Sat 6pCloudy66°19° (likely 61°16° to 66°19°)66°19°0%5 mph8 km/h from SE, gusts 7 mph11 km/h53%57%0
Sat 7pCloudy62°17° (likely 59°15° to 62°17°)62°17°5%5 mph8 km/h from SE, gusts 9 mph15 km/h60%62%0
Sat 8pMostly clear59°15° (likely 57°14° to 59°15°)59°15°5%5 mph8 km/h from SE, gusts 10 mph16 km/h66%23%0
Sat 9pClear58°14° (likely 56°13° to 58°14°)58°14°5%5 mph8 km/h from SSE, gusts 11 mph18 km/h70%7%0
Sat 10pClear57°14° (likely 54°12° to 57°14°)57°14°0%5 mph8 km/h from SSE, gusts 11 mph17 km/h72%6%0
Sat 11pClear55°13° (likely 53°12° to 55°13°)55°13°0%5 mph8 km/h from SSE, gusts 9 mph15 km/h74%5%0
Sun 12aPartly cloudy54°12° (likely 52°11° to 54°12°)54°12°0%5 mph8 km/h from SSE, gusts 9 mph14 km/h77%44%0
Sun 1aPartly cloudy53°12° (likely 51°11° to 54°12°)53°12°0%0 mph0 km/h, gusts 9 mph15 km/h77%63%0
Sun 2aPartly cloudy52°11° (likely 50°10° to 53°12°)52°11°5%0 mph0 km/h, gusts 9 mph15 km/h81%65%0
Sun 3aPartly cloudy51°11° (likely 49°9° to 52°11°)49°9°5%0 mph0 km/h, gusts 8 mph13 km/h83%88%0
Sun 4aPartly cloudy50°10° (likely 49°9° to 51°11°)48°9°5%0 mph0 km/h, gusts 8 mph13 km/h84%88%0
Sun 5aCloudy49°9° (likely 48°9° to 50°10°)48°9°5%0 mph0 km/h, gusts 7 mph12 km/h85%88%0
Sun 6aCloudy49°9° (likely 48°9° to 50°10°)47°8°0%0 mph0 km/h, gusts 9 mph14 km/h87%97%0
Sun 7aCloudy48°9° (likely 47°8° to 50°10°)48°9°0%0 mph0 km/h, gusts 8 mph14 km/h92%93%0
Sun 8aCloudy50°10° (likely 48°9° to 52°11°)49°9°0%5 mph8 km/h from S, gusts 7 mph11 km/h89%94%0
Sun 9aCloudy55°13° (likely 53°12° to 55°13°)55°13°0%5 mph8 km/h from S, gusts 7 mph11 km/h76%81%1
Sun 10aCloudy60°16° (likely 58°14° to 60°16°)60°16°0%5 mph8 km/h from S, gusts 10 mph16 km/h66%69%2
Sun 11aCloudy64°18° (likely 61°16° to 65°18°)65°18°0%5 mph8 km/h from S, gusts 10 mph16 km/h58%80%2
Sun 12pCloudy68°20° (likely 65°18° to 68°20°)68°20°0%5 mph8 km/h from SSW, gusts 10 mph16 km/h51%80%3
Sun 1pCloudy71°22° (likely 68°20° to 71°22°)71°22°0%5 mph8 km/h from SSW, gusts 9 mph15 km/h46%77%3
Sun 2pPartly sunny73°23° (likely 69°21° to 73°23°)73°23°0%5 mph8 km/h from S, gusts 9 mph14 km/h43%61%3
Sun 3pCloudy74°23° (likely 70°21° to 74°23°)74°23°0%5 mph8 km/h from S, gusts 8 mph13 km/h41%78%3
Sun 4pMostly cloudy74°23° (likely 70°21° to 74°23°)74°23°0%5 mph8 km/h from S, gusts 8 mph14 km/h41%61%2
Sun 5pPartly sunny72°22° (likely 67°19° to 72°22°)72°22°0%5 mph8 km/h from S, gusts 8 mph13 km/h45%62%1
Sun 6pCloudy68°20° (likely 63°17° to 68°20°)68°20°0%5 mph8 km/h from SSE, gusts 6 mph9 km/h51%77%0
Sun 7pPartly cloudy64°18° (likely 61°16° to 64°18°)64°18°0%5 mph8 km/h from SSE, gusts 5 mph8 km/h59%72%0
Sun 8pClear61°16° (likely 59°15° to 61°16°)61°16°0%5 mph8 km/h from SSE, gusts 5 mph9 km/h65%70%0
Sun 9pCloudy59°15° (likely 57°14° to 59°15°)59°15°0%5 mph8 km/h from SSE, gusts 6 mph10 km/h70%77%0
Sun 10pCloudy58°14° (likely 56°13° to 58°14°)58°14°0%5 mph8 km/h from SSE, gusts 7 mph11 km/h72%77%0
Sun 11pCloudy56°13° (likely 54°12° to 57°14°)56°13°0%5 mph8 km/h from S, gusts 7 mph11 km/h74%77%0
Mon 12aCloudy55°13° (likely 53°12° to 55°13°)55°13°0%5 mph8 km/h from S, gusts 6 mph9 km/h77%73%0
Mon 1aCloudy54°12° (likely 52°11° to 54°12°)54°12°0%5 mph8 km/h from S, gusts 5 mph8 km/h79%72%0
Mon 2aMostly cloudy53°12° (likely 51°11° to 54°12°)53°12°0%5 mph8 km/h from S, gusts 5 mph8 km/h81%68%0
Mon 3aMostly cloudy52°11° (likely 50°10° to 52°11°)52°11°0%5 mph8 km/h from ENE, gusts 7 mph11 km/h83%71%0
Mon 4aCloudy51°11° (likely 49°9° to 51°11°)51°11°0%5 mph8 km/h from E, gusts 9 mph14 km/h86%68%0
Mon 5aCloudy50°10° (likely 49°9° to 53°12°)50°10°0%5 mph8 km/h from ENE, gusts 7 mph12 km/h89%74%0
Mon 6aCloudy49°9° (likely 49°9° to 53°12°)49°9°0%5 mph8 km/h from ENE, gusts 8 mph13 km/h92%80%0
Mon 7aCloudy50°10° (likely 49°9° to 54°12°)50°10°0%5 mph8 km/h from NE, gusts 8 mph13 km/h92%79%0
Mon 8aCloudy53°12° (likely 49°9° to 54°12°)53°12°0%5 mph8 km/h from NE, gusts 7 mph11 km/h87%84%0
Mon 9aCloudy56°13° (likely 54°12° to 58°14°)56°13°0%5 mph8 km/h from NE, gusts 10 mph16 km/h79%87%1
Mon 10aCloudy60°16° (likely 57°14° to 62°17°)60°16°0%5 mph8 km/h from NE, gusts 13 mph20 km/h71%88%1
Mon 11aCloudy64°18° (likely 60°16° to 64°18°)64°18°0%5 mph8 km/h from ENE, gusts 12 mph19 km/h65%86%1

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 71°22°, low 48°9°. Typical 60°16° / 40°4°. Dry. Mostly agree.
    1. Afternoon

      noon–6 PM

      Sunny, 71°22°

      Dry

    2. Evening

      6 PM–midnight

      Clear, 59°15°

      Dry

    3. Overnight

      midnight–6 AM

      Partly cloudy, 49°9°

      Dry

    Official NWS forecast

    Today: Partly sunny, with a high near 71. South southeast wind 5 to 10 mph.

    Tonight: Partly cloudy, with a low around 48. Southeast wind 0 to 5 mph.

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

    High, likely
    67°19°–71°22°
    Low, likely
    46°8°–48°9°
    Typical high / low
    60°16° / 40°4°
    Wind
    8 mph12 km/h, gusts 18 mph28 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 74°23°, low 49°9°. Typical 60°16° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 74°23°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly cloudy, 50°10°

      Dry

    Official NWS forecast

    Day: Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. South wind 0 to 5 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
    70°21°–74°23°
    Low, likely
    47°8°–50°10°
    Typical high / low
    60°16° / 40°4°
    Wind
    7 mph10 km/h, gusts 13 mph21 km/h
    UV peak
    3
  3. Monday, Oct 26. Mostly cloudy. High 69°21°, low 48°9°. Typical 59°15° / 40°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 67°19°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 55°13°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 51°11°

      Dry

    Official NWS forecast

    Day: Partly sunny, with a high near 69. Northeast wind 5 to 10 mph.

    Night: Mostly cloudy, with a low around 48.

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

    High, likely
    64°18°–71°22°
    Low, likely
    48°9°–50°10°
    Typical high / low
    59°15° / 40°4°
    Wind
    12 mph19 km/h, gusts 19 mph30 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Cloudy. High 69°21°, low 51°11°. Typical 58°14° / 39°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 55°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly cloudy, with a high near 69.

    Night: Mostly cloudy, with a low around 51.

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

    High, likely
    66°19°–70°21°
    Low, likely
    49°9°–51°11°
    Typical high / low
    58°14° / 39°4°
    Wind
    9 mph15 km/h, gusts 23 mph37 km/h
    UV peak
    3
  5. Wednesday, Oct 28. Partly sunny. High 74°23°, low 52°11°. Typical 58°14° / 39°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 58°14°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 74.

    Night: Partly cloudy, with a low around 52.

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

    High, likely
    70°21°–74°23°
    Low, likely
    52°11°–55°13°
    Typical high / low
    58°14° / 39°4°
    Wind
    10 mph17 km/h, gusts 23 mph37 km/h
    UV peak
    2
  6. Thursday, Oct 29. Partly sunny. High 70°21°, low 47°8°. Typical 58°14° / 38°3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Drizzle, 73°23°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 64°18°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 58°15°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 70.

    Night: Partly cloudy, with a low around 47.

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

    High, likely
    70°21°–74°23°
    Low, likely
    47°8°–60°16°
    Typical high / low
    58°14° / 38°3°
    Wind
    12 mph20 km/h, gusts 26 mph42 km/h
    UV peak
    3
  7. Friday, Oct 30. Showers. High 69°21°, low 48°9°. Typical 57°14° / 38°3°. Rain 0.05 in1.3 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 60°15°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 73°23°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 65°19°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 59°15°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain showers after 7am. Partly sunny, with a high near 69.

    Night: A slight chance of rain showers. Mostly cloudy, with a low around 48.

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

    High, likely
    69°21°–78°26°
    Low, likely
    48°9°–59°15°
    Typical high / low
    57°14° / 38°3°
    Wind
    11 mph17 km/h, gusts 23 mph37 km/h
    UV peak
    3
  8. Saturday, Oct 31. Cloudy. High 71°22°, low 58°14°. Typical 56°13° / 38°3°. Rain 0.11 in2.8 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 59°15°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 72°22°

      30% chance

    3. Evening

      6 PM–midnight

      Rain, 66°19°

      50% chance · 0.04 in1 mm

    4. Overnight

      midnight–6 AM

      Rain, 62°16°

      50% 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 differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    68°20°–77°25°
    Low, likely
    54°12°–61°16°
    Typical high / low
    56°13° / 38°3°
    Wind
    18 mph29 km/h, gusts 24 mph38 km/h
    UV peak
    3
  9. Sunday, Nov 1. Rain. High 66°19°, low 58°14°. Typical 56°13° / 37°3°. Rain 0.48 in12 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 62°17°

      50% chance · 0.12 in3 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 65°18°

      40% chance · 0.18 in4.5 mm

    3. Evening

      6 PM–midnight

      Drizzle, 63°17°

      40% chance · 0.05 in1.3 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 54°12°

      40% 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.

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

    High, likely
    64°18°–68°20°
    Low, likely
    56°13°–60°16°
    Typical high / low
    56°13° / 37°3°
    Wind
    24 mph38 km/h, gusts 41 mph66 km/h
    UV peak
    2
  10. Monday, Nov 2. Drizzle. High 61°16°, low 50°10°. Typical 56°13° / 37°3°. Rain 0.48 in12 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 54°12°

      40% chance · 0.03 in0.7 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 55°13°

      40% chance · 0.37 in9.4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 58°15°

      40% chance · 0.17 in4.3 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
    57°14°–66°19°
    Low, likely
    41°5°–60°16°
    Typical high / low
    56°13° / 37°3°
    Wind
    18 mph28 km/h, gusts 39 mph63 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 71°, low 48°.

  2. Tomorrow

    Dry, high 74°, low 49°, warming up.

  3. Monday

    Dry, high 69°, low 48°, cooling off.

  4. Rest of week

    Highs 61–74°; chance of precipitation on Sunday, Monday.

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

Waubonse Creek at Oswego

0.7 mi
Below flood stage
Level
8.2 ft
Flow
25 cfs

Reading from Sat 10:15 AM · NWS gauge page

Fox River at Montgomery

1.6 mi
Below flood stage
Level
11.5 ft
Flow
1,090 cfs

Reading from Sat 11 AM · NWS gauge page

Blackberry Creek at Montgomery

3.3 mi
Below flood stage
Level
3.8 ft
Flow
47 cfs

Reading from Sat 10:30 AM · NWS gauge page

Blackberry Creek at Yorkville

6.2 mi
Below flood stage
Level
3.7 ft
Flow
56 cfs

Reading from Sat 10:30 AM · NWS gauge page

For your home

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

Heating this week

About 88% less heating than a typical week.

This week 14Typical 113

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 1:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

ROMEOVILLE WFO · official normals 1991–2020 · records 1992–2026

Oct 24, today vs a typical year

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

Normal high / low
60°16° / 40°4°
Forecast high / low
71°22° / 48°9°
Record high
80°27° in 2023
Record low
26°−3° in 1999

Last 7 days vs normal

On average 5°3° warmer than normal (daily mean temperature).

  1. −2°−1°SunOct 18
  2. +1°MonOct 19
  3. +5°+3°TueOct 20
  4. +6°+3°WedOct 21
  5. +9°+5°ThuOct 22
  6. +10°+6°FriOct 23
  7. —SatOct 24

Boulder Hill weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:16 AM, sunset 5:58 PM.

Daylight
10 h 42 min
Losing 2 min 35 s a day; shortest Dec 21, 1 h 34 min less
Golden hour
5:19–6:15 PM
Morning 6:58–7:54 AM
Blue hour
6:15–6:26 PM
Morning 6:47–6:58 AM; first light 6:47 AM

Stars tonight? Fair

Mostly clear 8 PM–12 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:29 AM · rises 4:56 PM
Full moon
Oct 25
New moon
Nov 9
Looking south from Boulder Hill. The highest point on the skyline is about 2,100 ft, 23 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.