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Observed 9:25 AM CDT at KPWK

Buffalo Grove, IL weather

Mostly sunny and 55°13°, 10°6° warmer than a typical Oct 24.

Today: low 51°11° (likely 47°8° to 51°11°), high 69°21° (likely 67°19° to 71°22°).

Mostly agree

Now 55°13°

Mostly sunny

Wind
3 mph5 km/h
From the south. 35–10 mph16 km/h through 9 PM
Dew point
46°8°
Comfortable
UV index
0Low
Moderate 12–2 PM · peak 3
Air quality
67Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.43 inHg1030 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

2°1° warmer than this time yesterday (50°10° then, 52°11° now)

Good hours for
  • High 69°21° today at 2 PM
  • Below 60°16° tonight after 9 PM
  • Low 51°11° tomorrow at 6 AM
  • Above 60°16° tomorrow by 10 AM
  1. This morningUp to 63°17° by 11 AM · Mostly cloudy
  2. This afternoonNear 67°19° · Mostly cloudy
  3. TonightDown to 52°11° by 4 AM · Partly cloudy
  4. Tomorrow morningUp to 65°18° by 11 AM · Cloudy
  5. Tomorrow afternoonUp to 72°22° by 2 PM · Mostly cloudy
  6. Tomorrow nightDown to 52°11° by 5 AM · Mostly cloudy
  7. Monday morningNear 53°12° · Cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 9aSunny55°13° (likely 52°11° to 55°13°)55°13°0%5 mph8 km/h from S, gusts 9 mph14 km/h72%43%0
Sat 10aCloudy59°15° (likely 56°13° to 59°15°)59°15°0%5 mph8 km/h from S, gusts 11 mph18 km/h64%81%1
Sat 11aCloudy63°17° (likely 60°16° to 63°17°)63°17°0%10 mph16 km/h from S, gusts 12 mph20 km/h57%79%2
Sat 12pPartly sunny66°19° (likely 63°17° to 67°19°)66°19°0%10 mph16 km/h from S, gusts 12 mph19 km/h53%72%3
Sat 1pPartly sunny68°20° (likely 65°18° to 69°21°)68°20°0%10 mph16 km/h from S, gusts 11 mph18 km/h49%68%3
Sat 2pCloudy69°21° (likely 67°19° to 70°21°)69°21°0%10 mph16 km/h from S, gusts 11 mph18 km/h46%69%2
Sat 3pCloudy69°21° (likely 67°19° to 71°22°)69°21°0%10 mph16 km/h from S, gusts 11 mph17 km/h46%66%2
Sat 4pMostly cloudy69°21° (likely 67°19° to 70°21°)69°21°0%10 mph16 km/h from S, gusts 11 mph18 km/h46%59%1
Sat 5pCloudy67°19° (likely 65°18° to 68°20°)67°19°0%5 mph8 km/h from S, gusts 11 mph18 km/h50%67%0
Sat 6pCloudy65°18° (likely 61°16° to 65°18°)65°18°0%5 mph8 km/h from SSE, gusts 11 mph18 km/h54%73%0
Sat 7pCloudy62°17° (likely 58°14° to 62°17°)62°17°5%5 mph8 km/h from SSE, gusts 9 mph15 km/h62%76%0
Sat 8pMostly cloudy60°16° (likely 57°14° to 60°16°)60°16°5%5 mph8 km/h from SSE, gusts 9 mph14 km/h68%61%0
Sat 9pMostly cloudy58°14° (likely 56°13° to 59°15°)59°15°5%5 mph8 km/h from SSE, gusts 8 mph13 km/h73%55%0
Sat 10pMostly clear57°14° (likely 56°13° to 57°14°)57°14°5%5 mph8 km/h from S, gusts 10 mph15 km/h74%26%0
Sat 11pClear56°13° (likely 55°13° to 56°13°)56°13°0%5 mph8 km/h from S, gusts 9 mph15 km/h75%15%0
Sun 12aMostly clear55°13° (likely 54°12° to 55°13°)55°13°0%5 mph8 km/h from S, gusts 9 mph15 km/h74%28%0
Sun 1aPartly cloudy54°12° (likely 53°12° to 54°12°)54°12°0%5 mph8 km/h from S, gusts 9 mph14 km/h74%20%0
Sun 2aCloudy54°12° (likely 52°11° to 54°12°)54°12°5%5 mph8 km/h from S, gusts 10 mph16 km/h75%69%0
Sun 3aPartly cloudy53°12° (likely 51°11° to 53°12°)53°12°5%5 mph8 km/h from S, gusts 9 mph14 km/h76%72%0
Sun 4aPartly cloudy52°11° (likely 50°10° to 52°11°)53°12°5%5 mph8 km/h from S, gusts 8 mph14 km/h77%55%0
Sun 5aCloudy52°11° (likely 49°9° to 52°11°)52°11°5%5 mph8 km/h from S, gusts 9 mph15 km/h78%84%0
Sun 6aCloudy51°11° (likely 49°9° to 52°11°)51°11°0%5 mph8 km/h from S, gusts 10 mph16 km/h79%96%0
Sun 7aCloudy51°11° (likely 49°9° to 52°11°)51°11°0%5 mph8 km/h from S, gusts 10 mph17 km/h82%97%0
Sun 8aCloudy52°11° (likely 50°10° to 53°12°)52°11°0%5 mph8 km/h from SSW, gusts 10 mph17 km/h80%97%0
Sun 9aCloudy56°13° (likely 55°13° to 56°13°)57°14°0%5 mph8 km/h from SSW, gusts 11 mph18 km/h70%95%1
Sun 10aCloudy61°16° (likely 57°14° to 62°17°)61°16°0%5 mph8 km/h from SSW, gusts 12 mph19 km/h62%93%2
Sun 11aPartly sunny65°18° (likely 60°16° to 67°19°)65°18°0%5 mph8 km/h from SSW, gusts 11 mph18 km/h55%83%2
Sun 12pCloudy68°20° (likely 65°18° to 71°22°)68°20°0%5 mph8 km/h from SSW, gusts 12 mph19 km/h50%76%3
Sun 1pPartly sunny70°21° (likely 68°20° to 73°23°)70°21°0%5 mph8 km/h from SSW, gusts 10 mph16 km/h46%63%3
Sun 2pPartly sunny72°22° (likely 70°21° to 74°23°)72°22°0%5 mph8 km/h from SSW, gusts 10 mph16 km/h44%39%3
Sun 3pPartly sunny72°22° (likely 70°21° to 74°23°)72°22°0%5 mph8 km/h from SSW, gusts 10 mph16 km/h44%64%2
Sun 4pPartly sunny72°22° (likely 70°21° to 73°23°)72°22°0%5 mph8 km/h from SSW, gusts 9 mph15 km/h44%53%2
Sun 5pCloudy70°21° (likely 67°19° to 71°22°)70°21°0%5 mph8 km/h from S, gusts 9 mph15 km/h48%78%1
Sun 6pCloudy67°19° (likely 63°17° to 67°19°)67°19°0%5 mph8 km/h from S, gusts 8 mph12 km/h55%77%0
Sun 7pCloudy63°17° (likely 60°16° to 64°18°)63°17°0%0 mph0 km/h, gusts 6 mph9 km/h63%77%0
Sun 8pCloudy61°16° (likely 59°15° to 62°17°)61°16°0%0 mph0 km/h, gusts 4 mph7 km/h69%78%0
Sun 9pCloudy59°15° (likely 58°14° to 60°16°)59°15°0%0 mph0 km/h, gusts 6 mph10 km/h75%78%0
Sun 10pCloudy58°14° (likely 57°14° to 58°14°)58°14°0%0 mph0 km/h, gusts 7 mph12 km/h77%80%0
Sun 11pCloudy56°13° (likely 56°13° to 57°14°)56°13°0%0 mph0 km/h, gusts 5 mph9 km/h79%79%0
Mon 12aCloudy55°13° (likely 54°12° to 56°13°)55°13°0%0 mph0 km/h, gusts 8 mph13 km/h80%83%0
Mon 1aCloudy54°12° (likely 53°12° to 55°13°)55°13°0%0 mph0 km/h, gusts 8 mph13 km/h81%80%0
Mon 2aCloudy54°12° (likely 52°11° to 54°12°)54°12°0%0 mph0 km/h, gusts 11 mph18 km/h83%81%0
Mon 3aCloudy53°12° (likely 52°11° to 54°12°)53°12°0%0 mph0 km/h, gusts 10 mph16 km/h85%73%0
Mon 4aMostly cloudy53°12° (likely 51°11° to 54°12°)53°12°0%0 mph0 km/h, gusts 11 mph17 km/h87%69%0
Mon 5aCloudy52°11° (likely 50°10° to 55°13°)52°11°0%5 mph8 km/h from NNW, gusts 11 mph17 km/h90%73%0
Mon 6aCloudy51°11° (likely 49°9° to 56°13°)51°11°0%5 mph8 km/h from N, gusts 10 mph16 km/h93%83%0
Mon 7aCloudy52°11° (likely 50°10° to 57°14°)52°11°0%5 mph8 km/h from NNE, gusts 11 mph17 km/h93%95%0
Mon 8aCloudy54°12° (likely 53°12° to 59°15°)54°12°0%5 mph8 km/h from NNE, gusts 11 mph18 km/h89%96%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 69°21°, low 51°11°. Typical 59°15° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 63°17°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 69°21°

      Dry

    3. Evening

      6 PM–midnight

      Mostly cloudy, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 52°11°

      Dry

    Official NWS forecast

    Today: Partly sunny. High near 69, with temperatures falling to around 67 in the afternoon. South wind 5 to 10 mph.

    Tonight: Partly cloudy, with a low around 51. South wind around 5 mph, with gusts as high as 15 mph.

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

    High, likely
    67°19°–71°22°
    Low, likely
    47°8°–51°11°
    Typical high / low
    59°15° / 43°6°
    Wind
    7 mph12 km/h, gusts 14 mph23 km/h
    UV peak
    3
  2. Tomorrow, Oct 25. Cloudy. High 72°22°, low 51°11°. Typical 59°15° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 52°11°

      Dry

    Official NWS forecast

    Day: Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. South southwest wind around 5 mph.

    Night: Mostly cloudy, with a low around 51. West southwest wind 0 to 5 mph.

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

    High, likely
    70°21°–74°23°
    Low, likely
    49°9°–51°11°
    Typical high / low
    59°15° / 42°6°
    Wind
    7 mph10 km/h, gusts 15 mph25 km/h
    UV peak
    3
  3. Monday, Oct 26. Cloudy. High 64°18°, low 49°9°. Typical 58°14° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 54°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 63°17°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 54°12°

      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 64. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Night: Mostly cloudy, with a low around 49.

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

    High, likely
    61°16°–64°18°
    Low, likely
    49°9°–53°12°
    Typical high / low
    58°14° / 42°6°
    Wind
    11 mph17 km/h, gusts 20 mph32 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Mostly cloudy. High 64°18°, low 52°11°. Typical 58°14° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 60°16°

      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 64.

    Night: Mostly cloudy, with a low around 52.

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

    High, likely
    64°18°–68°20°
    Low, likely
    50°10°–54°12°
    Typical high / low
    58°14° / 42°6°
    Wind
    9 mph14 km/h, gusts 25 mph40 km/h
    UV peak
    3
  5. Wednesday, Oct 28. Partly sunny. High 71°22°, low 52°11°. Typical 57°14° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 70°21°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 59°15°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 71.

    Night: Partly cloudy, with a low around 52.

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

    High, likely
    69°21°–72°22°
    Low, likely
    52°11°–57°14°
    Typical high / low
    57°14° / 41°5°
    Wind
    11 mph17 km/h, gusts 28 mph44 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 69°21°, low 47°8°. Typical 57°14° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 54°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 69.

    Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 47.

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

    High, likely
    68°20°–71°22°
    Low, likely
    47°8°–60°16°
    Typical high / low
    57°14° / 41°5°
    Wind
    10 mph16 km/h, gusts 31 mph49 km/h
    UV peak
    3
  7. Friday, Oct 30. Showers. High 67°19°, low 49°9°. Typical 56°13° / 40°4°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly sunny, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 55°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain showers. Partly sunny, with a high near 67.

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

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

    High, likely
    63°17°–73°23°
    Low, likely
    45°7°–58°14°
    Typical high / low
    56°13° / 40°4°
    Wind
    11 mph18 km/h, gusts 20 mph33 km/h
    UV peak
    3
  8. Saturday, Oct 31. Cloudy. High 69°21°, low 57°14°. Typical 56°13° / 40°4°. Rain 0.07 in1.8 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 69°20°

      30% chance

    3. Evening

      6 PM–midnight

      Drizzle, 64°18°

      40% chance · 0.01 in0.3 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 60°16°

      50% chance · 0.04 in1.1 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.

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

    High, likely
    66°19°–72°22°
    Low, likely
    54°12°–59°15°
    Typical high / low
    56°13° / 40°4°
    Wind
    11 mph18 km/h, gusts 23 mph37 km/h
    UV peak
    3
  9. Sunday, Nov 1. Drizzle. High 65°18°, low 58°14°. Typical 55°13° / 40°4°. Rain 0.49 in12 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 61°16°

      50% chance · 0.07 in1.8 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 65°18°

      40% chance · 0.21 in5.3 mm

    3. Evening

      6 PM–midnight

      Drizzle, 62°16°

      40% chance · 0.16 in4.2 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 58°15°

      40% chance · 0.03 in0.6 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
    63°17°–68°20°
    Low, likely
    55°13°–61°16°
    Typical high / low
    55°13° / 40°4°
    Wind
    20 mph33 km/h, gusts 43 mph70 km/h
    UV peak
    2
  10. Monday, Nov 2. Drizzle. High 61°16°, low 52°11°. Typical 55°13° / 39°4°. Rain 0.31 in7.9 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 58°15°

      40% chance · 0.02 in0.6 mm

    2. Afternoon

      noon–6 PM

      Rain, 59°15°

      30% chance · 0.24 in6 mm

    3. Evening

      6 PM–midnight

      Rain, 57°14°

      30% chance · 0.22 in5.5 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
    58°14°–66°19°
    Low, likely
    49°9°–58°14°
    Typical high / low
    55°13° / 39°4°
    Wind
    17 mph27 km/h, gusts 39 mph63 km/h

The outlook

  1. Today

    Dry, high 69°, low 51°.

  2. Tomorrow

    Dry, high 72°, low 51°, warming up.

  3. Monday

    Dry, high 64°, low 49°, cooling off.

  4. Rest of week

    Highs 61–71°; 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

Buffalo Creek (IL) at Wheeling

1.0 mi
Below flood stage
Level
1.4 ft
Flow
under 1 cfs

Reading from Sat 7:15 AM · NWS gauge page

Des Plaines River at Lincolnshire

3.3 mi
Below flood stage
Level
7.1 ft
Flow
159 cfs

Reading from Sat 7:45 AM · NWS gauge page

West Fork North Branch Chicago River at Deerfield

5.4 mi
Below flood stage
Level
7.2 ft

Reading from Sat 8:10 AM · NWS gauge page

McDonald Creek near Mount Prospect

5.5 mi
Below flood stage
Level
0.8 ft
Flow
1 cfs

Reading from Sat 7:45 AM · NWS gauge page

For your home

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

Heating this week

About 88% less heating than a typical week.

This week 13Typical 108

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 11:00 AM–8:00 PM

Good stretch to open the windows.

Is this typical?

Chicago Ohare International Airport · official normals 1991–2020 · records 1872–2026

Oct 24, today vs a typical year

Today’s expected high is 10°6° warmer than typical.

Normal high / low
59°15° / 43°6°
Forecast high / low
69°21° / 51°11°
Record high
83°28° in 1963
Record low
17°−8° in 1981

Last 7 days vs normal

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

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

Buffalo Grove weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:15 AM, sunset 5:56 PM.

Daylight
10 h 41 min
Losing 2 min 39 s a day; shortest Dec 21, 1 h 35 min less
Golden hour
5:17–6:13 PM
Morning 6:57–7:54 AM
Blue hour
6:13–6:24 PM
Morning 6:46–6:57 AM; first light 6:46 AM

Stars tonight? Poor

Clouds most of the night (about 56% cover).

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:27 AM · rises 4:54 PM
Full moon
Oct 25
New moon
Nov 9
Looking east from Buffalo Grove. Water in view.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.