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Observed 7:52 AM CDT at KARR

Somonauk, IL weather

Foggy and 46°8°, 13°7° warmer than a typical Oct 24.

Today: low 48°9° (likely 45°7° to 48°9°), high 72°22° (likely 68°20° to 72°22°).

Mostly agree

Now 46°8°

Fog

Wind
3 mph5 km/h
From the east. 35–10 mph16 km/h through 9 PM
Dew point
43°6°
Comfortable
Humidity
89%
Air 46°8°, dew point 43°6° · fog or dew likely
UV index
0Low
Moderate 12–3 PM · peak 3
Air quality
91Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.4 inHg1029 hPa
Rising slowly · +0.02 inHg+0.6 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

About the same as this time yesterday (45°7° then, 46°8° now)

Good hours for
  • Above 60°16° today by 11 AM
  • High 72°22° today at 3 PM
  • Below 60°16° tonight after 8 PM
  • Low 48°9° tomorrow at 7 AM
  1. This morningUp to 63°17° by 11 AM · Mostly cloudy
  2. This afternoonUp to 72°22° by 3 PM · Partly cloudy
  3. TonightDown to 49°9° by 5 AM · Partly cloudy
  4. Tomorrow morningUp to 65°18° by 11 AM · Cloudy
  5. Tomorrow afternoonUp to 74°23° by 2 PM · Mostly cloudy
  6. Tomorrow nightDown to 50°10° by 5 AM · Mostly cloudy
  7. Monday morningNear 51°11° · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 9aSunny54°12° (likely 51°11° to 54°12°)54°12°0%5 mph8 km/h from SSE, gusts 10 mph16 km/h76%36%0
Sat 10aCloudy58°14° (likely 55°13° to 58°14°)58°14°0%5 mph8 km/h from SSE, gusts 11 mph18 km/h67%78%1
Sat 11aCloudy63°17° (likely 59°15° to 63°17°)63°17°0%5 mph8 km/h from SSE, gusts 12 mph20 km/h58%82%2
Sat 12pCloudy67°19° (likely 63°17° to 67°19°)67°19°0%5 mph8 km/h from SSE, gusts 11 mph18 km/h50%81%3
Sat 1pMostly cloudy70°21° (likely 65°18° to 70°21°)70°21°5%10 mph16 km/h from SSE, gusts 11 mph17 km/h45%52%3
Sat 2pSunny71°22° (likely 67°19° to 71°22°)71°22°5%10 mph16 km/h from S, gusts 10 mph16 km/h41%43%3
Sat 3pSunny72°22° (likely 68°20° to 72°22°)72°22°5%10 mph16 km/h from S, gusts 10 mph16 km/h39%39%2
Sat 4pMostly cloudy72°22° (likely 68°20° to 72°22°)72°22°5%5 mph8 km/h from SSE, gusts 10 mph17 km/h39%46%1
Sat 5pMostly cloudy70°21° (likely 66°19° to 70°21°)70°21°5%5 mph8 km/h from SSE, gusts 9 mph14 km/h42%43%0
Sat 6pMostly cloudy66°19° (likely 61°16° to 66°19°)66°19°5%5 mph8 km/h from SSE, gusts 8 mph12 km/h49%51%0
Sat 7pPartly cloudy62°17° (likely 59°15° to 62°17°)62°17°5%5 mph8 km/h from SE, gusts 8 mph13 km/h56%42%0
Sat 8pClear59°15° (likely 57°14° to 59°15°)59°15°5%5 mph8 km/h from SE, gusts 9 mph15 km/h62%22%0
Sat 9pClear58°14° (likely 56°13° to 58°14°)58°14°5%5 mph8 km/h from SSE, gusts 8 mph13 km/h67%5%0
Sat 10pClear56°13° (likely 54°12° to 56°13°)56°13°0%5 mph8 km/h from SSE, gusts 10 mph16 km/h70%5%0
Sat 11pClear55°13° (likely 53°12° to 55°13°)55°13°0%5 mph8 km/h from SSE, gusts 10 mph16 km/h73%4%0
Sun 12aMostly clear54°12° (likely 51°11° to 54°12°)54°12°0%5 mph8 km/h from S, gusts 9 mph15 km/h75%45%0
Sun 1aPartly cloudy53°12° (likely 50°10° to 53°12°)53°12°5%5 mph8 km/h from S, gusts 9 mph15 km/h77%57%0
Sun 2aPartly cloudy52°11° (likely 50°10° to 52°11°)52°11°5%5 mph8 km/h from S, gusts 9 mph15 km/h79%67%0
Sun 3aPartly cloudy51°11° (likely 49°9° to 51°11°)50°10°5%5 mph8 km/h from S, gusts 6 mph10 km/h80%67%0
Sun 4aCloudy50°10° (likely 48°9° to 50°10°)49°9°0%5 mph8 km/h from S, gusts 6 mph10 km/h82%87%0
Sun 5aCloudy49°9° (likely 48°9° to 49°9°)49°9°0%5 mph8 km/h from S, gusts 7 mph11 km/h83%91%0
Sun 6aCloudy49°9° (likely 47°8° to 49°9°)48°9°0%5 mph8 km/h from S, gusts 6 mph10 km/h84%91%0
Sun 7aCloudy48°9° (likely 47°8° to 49°9°)48°9°0%0 mph0 km/h, gusts 5 mph9 km/h89%94%0
Sun 8aCloudy50°10° (likely 47°8° to 50°10°)50°10°0%0 mph0 km/h, gusts 6 mph9 km/h86%94%0
Sun 9aCloudy55°13° (likely 52°11° to 55°13°)55°13°0%5 mph8 km/h from S, gusts 6 mph10 km/h73%93%1
Sun 10aCloudy60°16° (likely 57°14° to 60°16°)60°16°0%5 mph8 km/h from S, gusts 9 mph15 km/h64%83%2
Sun 11aCloudy65°18° (likely 62°17° to 65°18°)65°18°0%5 mph8 km/h from S, gusts 10 mph16 km/h54%80%2
Sun 12pCloudy69°21° (likely 66°19° to 69°21°)69°21°0%5 mph8 km/h from S, gusts 10 mph16 km/h47%80%3
Sun 1pCloudy72°22° (likely 69°21° to 72°22°)72°22°0%5 mph8 km/h from S, gusts 10 mph16 km/h43%80%3
Sun 2pPartly sunny74°23° (likely 70°21° to 74°23°)74°23°0%5 mph8 km/h from S, gusts 9 mph14 km/h39%71%3
Sun 3pPartly sunny74°23° (likely 71°22° to 75°24°)75°24°0%5 mph8 km/h from S, gusts 9 mph14 km/h38%71%3
Sun 4pCloudy74°23° (likely 71°22° to 75°24°)75°24°0%5 mph8 km/h from S, gusts 8 mph13 km/h38%78%2
Sun 5pPartly sunny72°22° (likely 68°20° to 73°23°)73°23°0%0 mph0 km/h, gusts 7 mph11 km/h41%64%1
Sun 6pCloudy68°20° (likely 63°17° to 68°20°)68°20°0%0 mph0 km/h, gusts 5 mph7 km/h47%78%0
Sun 7pCloudy64°18° (likely 60°16° to 64°18°)64°18°0%0 mph0 km/h, gusts 5 mph7 km/h55%75%0
Sun 8pCloudy61°16° (likely 58°14° to 61°16°)61°16°0%0 mph0 km/h, gusts 5 mph8 km/h61%79%0
Sun 9pCloudy59°15° (likely 57°14° to 59°15°)59°15°0%0 mph0 km/h, gusts 5 mph9 km/h66%78%0
Sun 10pCloudy58°14° (likely 56°13° to 58°14°)58°14°0%0 mph0 km/h, gusts 4 mph6 km/h70%78%0
Sun 11pCloudy56°13° (likely 55°13° to 57°14°)56°13°0%0 mph0 km/h, gusts 3 mph5 km/h73%74%0
Mon 12aCloudy55°13° (likely 54°12° to 55°13°)55°13°0%0 mph0 km/h, gusts 3 mph6 km/h75%77%0
Mon 1aMostly cloudy54°12° (likely 53°12° to 54°12°)54°12°0%0 mph0 km/h, gusts 3 mph5 km/h77%74%0
Mon 2aCloudy53°12° (likely 52°11° to 53°12°)53°12°0%0 mph0 km/h, gusts 4 mph6 km/h80%81%0
Mon 3aCloudy52°11° (likely 51°11° to 52°11°)52°11°0%0 mph0 km/h, gusts 5 mph8 km/h81%80%0
Mon 4aCloudy52°11° (likely 50°10° to 52°11°)52°11°0%0 mph0 km/h, gusts 9 mph15 km/h83%80%0
Mon 5aCloudy50°10° (likely 49°9° to 51°11°)51°11°0%0 mph0 km/h, gusts 8 mph13 km/h86%70%0
Mon 6aCloudy50°10° (likely 48°9° to 52°11°)50°10°0%0 mph0 km/h, gusts 8 mph13 km/h89%84%0
Mon 7aCloudy50°10° (likely 48°9° to 53°12°)50°10°0%0 mph0 km/h, gusts 8 mph13 km/h90%84%0
Mon 8aCloudy52°11° (likely 47°8° to 55°13°)52°11°0%5 mph8 km/h from NE, gusts 7 mph11 km/h86%82%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 72°22°, low 48°9°. Typical 59°15° / 37°3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 63°17°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 49°9°

      Dry

    Official NWS forecast

    Today: Partly sunny. High near 72, with temperatures falling to around 70 in the afternoon. South southeast wind 5 to 10 mph.

    Tonight: Partly cloudy, with a low around 48. South southeast wind around 5 mph.

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

    High, likely
    68°20°–72°22°
    Low, likely
    45°7°–48°9°
    Typical high / low
    59°15° / 37°3°
    Wind
    8 mph13 km/h, gusts 15 mph24 km/h
    UV peak
    3
  2. Tomorrow, Oct 25. Cloudy. High 74°23°, low 50°10°. Typical 58°14° / 36°2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 74°23°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      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, with gusts as high as 10 mph.

    Night: Mostly cloudy, with a low around 50. South southeast wind around 0 mph.

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

    High, likely
    71°22°–75°24°
    Low, likely
    47°8°–50°10°
    Typical high / low
    58°14° / 36°2°
    Wind
    6 mph10 km/h, gusts 14 mph23 km/h
    UV peak
    3
  3. Monday, Oct 26. Mostly cloudy. High 70°21°, low 48°9°. Typical 58°14° / 36°2°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 69°21°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 56°13°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 50°10°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 70. East northeast wind 0 to 10 mph.

    Night: Mostly cloudy, with a low around 48.

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

    High, likely
    66°19°–72°22°
    Low, likely
    48°9°–50°10°
    Typical high / low
    58°14° / 36°2°
    Wind
    13 mph21 km/h, gusts 20 mph32 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Mostly cloudy. High 69°21°, low 51°11°. Typical 57°14° / 36°2°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 51°11°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 69°20°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 61°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.

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

    High, likely
    66°19°–71°22°
    Low, likely
    48°9°–51°11°
    Typical high / low
    57°14° / 36°2°
    Wind
    13 mph21 km/h, gusts 26 mph41 km/h
    UV peak
    3
  5. Wednesday, Oct 28. Partly sunny. High 74°23°, low 52°11°. Typical 56°13° / 35°2°. Dry. Mostly agree. Best day outdoors this week.
    1. Morning

      6 AM–noon

      Sunny, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 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.

    Best day outdoors this week: the one dry, mild day the forecasts agree on (high 74°23°).

    High, likely
    71°22°–74°23°
    Low, likely
    52°11°–55°13°
    Typical high / low
    56°13° / 35°2°
    Wind
    12 mph20 km/h, gusts 26 mph41 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 70°21°, low 47°8°. Typical 56°13° / 35°2°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 61°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 70.

    Night: Partly cloudy, with a low around 47.

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

    High, likely
    69°21°–75°24°
    Low, likely
    47°8°–59°15°
    Typical high / low
    56°13° / 35°2°
    Wind
    10 mph16 km/h, gusts 30 mph49 km/h
    UV peak
    3
  7. Friday, Oct 30. Showers. High 69°21°, low 49°9°. Typical 55°13° / 35°2°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 70°21°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 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: 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 49.

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

    High, likely
    64°18°–77°25°
    Low, likely
    44°7°–59°15°
    Typical high / low
    55°13° / 35°2°
    Wind
    13 mph22 km/h, gusts 24 mph38 km/h
    UV peak
    3
  8. Saturday, Oct 31. Cloudy. High 71°22°, low 56°13°. Typical 55°13° / 34°1°. Rain 0.11 in2.8 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 57°14°

      20% chance

    2. Afternoon

      noon–6 PM

      Drizzle, 71°22°

      30% chance

    3. Evening

      6 PM–midnight

      Drizzle, 64°18°

      40% chance · 0.02 in0.6 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 61°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.

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

    High, likely
    67°19°–78°26°
    Low, likely
    53°12°–59°15°
    Typical high / low
    55°13° / 34°1°
    Wind
    13 mph21 km/h, gusts 25 mph41 km/h
    UV peak
    3
  9. Sunday, Nov 1. Showers. High 66°19°, low 58°14°. Typical 54°12° / 34°1°. Rain 0.62 in16 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 62°17°

      50% chance · 0.18 in4.5 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 64°18°

      40% chance · 0.25 in6.4 mm

    3. Evening

      6 PM–midnight

      Showers, 62°17°

      40% chance · 0.2 in5.1 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 58°14°

      40% chance · 0.03 in0.8 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
    65°18°–68°20°
    Low, likely
    55°13°–61°16°
    Typical high / low
    54°12° / 34°1°
    Wind
    27 mph43 km/h, gusts 45 mph72 km/h
    UV peak
    2
  10. Monday, Nov 2. Drizzle. High 62°17°, low 53°12°. Typical 54°12° / 33°1°. Rain 0.53 in13 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 58°14°

      30% chance · 0.03 in0.8 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 60°15°

      40% chance · 0.4 in10.1 mm

    3. Evening

      6 PM–midnight

      Cloudy, 58°14°

      40% chance · 0.11 in2.8 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
    59°15°–66°19°
    Low, likely
    48°9°–60°16°
    Typical high / low
    54°12° / 33°1°
    Wind
    21 mph34 km/h, gusts 41 mph67 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 72°, low 48°.

  2. Tomorrow

    Dry, high 74°, low 50°.

  3. Monday

    Dry, high 70°, low 48°, cooling off.

  4. Rest of week

    Highs 62–74°; 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

Illinois River at Marseilles Lock (tailwater)

22 mi
Below flood stage
Level
460 ft
Flow
8,000 cfs

Forecast peak 459 ft Sat 1 PM

Reading from Sat 7:30 AM · NWS gauge page

Fox River at Yorkville (Palmer Dam)

13 mi
Below flood stage
Level
12.8 ft
Flow
1,210 cfs

Reading from Sat 7:45 AM · NWS gauge page

Blackberry Creek at Yorkville

13 mi
Below flood stage
Level
3.8 ft
Flow
57 cfs

Reading from Sat 7:30 AM · NWS gauge page

Blackberry Creek at Montgomery

17 mi
Below flood stage
Level
3.8 ft
Flow
48 cfs

Reading from Sat 7:30 AM · NWS gauge page

For your home

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

Heating this week

About 89% less heating than a typical week.

This week 14Typical 131

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 43°F).

Open the windows?

Today, 11:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

Paw Paw 2s · official normals 1991–2020 · records 1935–2026

Oct 24, today vs a typical year

Today’s expected high is 13°7° warmer than typical.

Normal high / low
59°15° / 37°3°
Forecast high / low
72°22° / 48°9°
Record high
82°28° in 1963
Record low
17°−8° in 1981

Last 7 days vs normal

On average 4°2° warmer than normal (daily mean temperature).

  1. −7°−4°SunOct 18
  2. −3°−2°MonOct 19
  3. +3°+1°TueOct 20
  4. +7°+4°WedOct 21
  5. +11°+6°ThuOct 22
  6. +12°+7°FriOct 23
  7. —SatOct 24

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

Sun & moon

Sun

Sunrise 7:17 AM, sunset 5:59 PM.

Daylight
10 h 43 min
Losing 2 min 39 s a day; shortest Dec 21, 1 h 33 min less
Golden hour
5:21–6:17 PM
Morning 6:59–7:55 AM
Blue hour
6:17–6:28 PM
Morning 6:48–6:59 AM; first light 6:48 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 5:30 AM · rises 4:57 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Somonauk. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.