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Observed 1:50 PM CDT at KALN

Royal Lakes, IL weather

Sunny and 73°23°.

Today: low 47°8° (likely 47°8° to 48°9°), high 75°24° (likely 72°22° to 75°24°).

Mostly agree

Now 73°23°

Sunny

Wind
6 mph9 km/h
Up to 7 mph11 km/h through 2 AM
Dew point
43°6°
Comfortable
UV index
3Moderate
Moderate until 4 PM · peak 4

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • High 75°24° today at 4 PM
  • Below 60°16° tonight after 8 PM
  • Low 47°8° tomorrow at 6 AM
  • Above 60°16° tomorrow by 10 AM
  1. This afternoonNear 73°23° · Partly cloudy
  2. TonightDown to 48°9° by 5 AM · Partly cloudy
  3. Tomorrow morningUp to 67°19° by 11 AM · Mostly cloudy
  4. Tomorrow afternoonUp to 76°24° by 3 PM · Mostly cloudy
  5. Tomorrow nightDown to 51°11° by 5 AM · Mostly cloudy
  6. Monday morningUp to 68°20° by 11 AM · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 2pPartly sunny73°23° (likely 71°22° to 75°24°)73°23°0%6 mph10 km/h from SE, gusts 8 mph12 km/h34%71%4
Sat 3pPartly sunny74°23° (likely 72°22° to 75°24°)74°23°0%7 mph11 km/h from SE, gusts 7 mph11 km/h33%51%3
Sat 4pPartly sunny75°24° (likely 71°22° to 75°24°)75°24°0%7 mph11 km/h from SE, gusts 8 mph13 km/h32%32%2
Sat 5pSunny73°23° (likely 69°21° to 74°23°)73°23°0%5 mph8 km/h from SE, gusts 9 mph14 km/h34%2%1
Sat 6pClear68°20° (likely 64°18° to 69°21°)68°20°0%5 mph8 km/h from SE, gusts 8 mph13 km/h42%10%0
Sat 7pClear63°17° (likely 61°16° to 65°18°)63°17°0%5 mph8 km/h from SE, gusts 9 mph14 km/h50%8%0
Sat 8pClear58°14° (likely 58°14° to 62°17°)58°14°0%3 mph5 km/h from SE, gusts 8 mph13 km/h60%2%0
Sat 9pClear56°13° (likely 56°13° to 60°16°)56°13°0%5 mph8 km/h from SE, gusts 8 mph13 km/h66%7%0
Sat 10pClear54°12° (likely 54°12° to 58°14°)54°12°0%3 mph5 km/h from SE, gusts 9 mph14 km/h74%40%0
Sat 11pClear53°12° (likely 53°12° to 57°14°)53°12°0%3 mph5 km/h from SE, gusts 9 mph15 km/h74%2%0
Sun 12aClear52°11° (likely 52°11° to 56°13°)52°11°0%3 mph5 km/h from SE, gusts 10 mph17 km/h77%2%0
Sun 1aPartly cloudy51°11° (likely 51°11° to 55°13°)51°11°0%3 mph5 km/h from SE, gusts 10 mph16 km/h77%51%0
Sun 2aMostly clear50°10° (likely 50°10° to 53°12°)50°10°0%2 mph3 km/h from SE, gusts 9 mph15 km/h80%53%0
Sun 3aPartly cloudy49°9° (likely 49°9° to 52°11°)49°9°0%2 mph3 km/h from SE, gusts 8 mph13 km/h86%24%0
Sun 4aPartly cloudy49°9° (likely 49°9° to 52°11°)49°9°0%2 mph3 km/h from SE, gusts 9 mph14 km/h83%75%0
Sun 5aMostly clear48°9° (likely 48°9° to 51°11°)48°9°0%2 mph3 km/h from SE, gusts 8 mph13 km/h86%75%0
Sun 6aPartly cloudy47°8° (likely 47°8° to 51°11°)47°8°0%2 mph3 km/h from SE, gusts 7 mph12 km/h89%72%0
Sun 7aPartly sunny47°8° (likely 47°8° to 50°10°)47°8°0%2 mph3 km/h from SE, gusts 8 mph13 km/h89%70%0
Sun 8aPartly sunny49°9° (likely 49°9° to 51°11°)48°9°0%3 mph5 km/h from SE, gusts 8 mph12 km/h86%61%0
Sun 9aPartly sunny56°13° (likely 56°13° to 57°14°)56°13°0%3 mph5 km/h from SE, gusts 8 mph12 km/h72%53%1
Sun 10aPartly sunny62°17° (likely 61°16° to 65°18°)62°17°0%5 mph8 km/h from S, gusts 10 mph16 km/h60%73%2
Sun 11aCloudy67°19° (likely 65°18° to 70°21°)67°19°0%6 mph10 km/h from S, gusts 9 mph15 km/h50%79%3
Sun 12pCloudy71°22° (likely 69°21° to 74°23°)71°22°0%5 mph8 km/h from S, gusts 8 mph12 km/h44%69%4
Sun 1pCloudy74°23° (likely 72°22° to 76°24°)74°23°0%5 mph8 km/h from S, gusts 6 mph10 km/h38%80%4
Sun 2pCloudy75°24° (likely 73°23° to 77°25°)75°24°0%5 mph8 km/h from S, gusts 6 mph9 km/h37%80%4
Sun 3pCloudy76°24° (likely 74°23° to 78°26°)76°24°0%5 mph8 km/h from SE, gusts 6 mph9 km/h34%80%3
Sun 4pCloudy76°24° (likely 73°23° to 78°26°)76°24°0%3 mph5 km/h from SE, gusts 6 mph10 km/h34%80%2
Sun 5pCloudy74°23° (likely 71°22° to 76°24°)74°23°0%2 mph3 km/h from SE, gusts 6 mph10 km/h38%80%1
Sun 6pCloudy70°21° (likely 67°19° to 71°22°)70°21°0%2 mph3 km/h from SE, gusts 6 mph9 km/h44%80%0
Sun 7pCloudy63°17° (likely 63°17° to 67°19°)63°17°0%2 mph3 km/h from SE, gusts 6 mph9 km/h58%80%0
Sun 8pCloudy60°16° (likely 60°16° to 63°17°)60°16°0%2 mph3 km/h from SE, gusts 6 mph10 km/h64%81%0
Sun 9pCloudy58°14° (likely 58°14° to 61°16°)58°14°0%2 mph3 km/h from SE, gusts 7 mph11 km/h72%81%0
Sun 10pCloudy57°14° (likely 57°14° to 61°16°)57°14°0%2 mph3 km/h from SE, gusts 8 mph12 km/h75%81%0
Sun 11pCloudy55°13° (likely 55°13° to 60°16°)55°13°0%2 mph3 km/h from SE, gusts 9 mph15 km/h77%82%0
Mon 12aCloudy55°13° (likely 55°13° to 58°14°)55°13°0%2 mph3 km/h from SE, gusts 9 mph15 km/h74%82%0
Mon 1aCloudy54°12° (likely 54°12° to 57°14°)54°12°0%2 mph3 km/h from S, gusts 9 mph14 km/h77%82%0
Mon 2aCloudy53°12° (likely 53°12° to 57°14°)53°12°0%2 mph3 km/h from S, gusts 9 mph14 km/h80%81%0
Mon 3aCloudy52°11° (likely 52°11° to 56°13°)52°11°0%2 mph3 km/h from S, gusts 8 mph13 km/h83%91%0
Mon 4aCloudy52°11° (likely 52°11° to 55°13°)52°11°0%2 mph3 km/h from S, gusts 7 mph12 km/h83%92%0
Mon 5aCloudy51°11° (likely 51°11° to 55°13°)51°11°0%2 mph3 km/h from S, gusts 7 mph11 km/h86%91%0
Mon 6aCloudy50°10° (likely 50°10° to 55°13°)50°10°0%2 mph3 km/h from S, gusts 6 mph10 km/h86%88%0
Mon 7aCloudy50°10° (likely 50°10° to 55°13°)50°10°0%2 mph3 km/h from S, gusts 6 mph9 km/h86%73%0
Mon 8aPartly sunny51°11° (likely 51°11° to 59°15°)51°11°0%1 mph2 km/h from S, gusts 4 mph7 km/h86%71%0
Mon 9aCloudy56°13° (likely 56°13° to 63°17°)56°13°0%1 mph2 km/h from S, gusts 5 mph8 km/h77%82%1
Mon 10aCloudy63°17° (likely 62°17° to 66°19°)63°17°0%2 mph3 km/h from SW, gusts 6 mph10 km/h65%90%2
Mon 11aCloudy68°20° (likely 65°18° to 70°21°)68°20°0%2 mph3 km/h from SW, gusts 8 mph13 km/h55%85%3
Mon 12pCloudy72°22° (likely 68°20° to 73°23°)72°22°0%3 mph5 km/h from SW, gusts 8 mph13 km/h46%89%4
Mon 1pCloudy74°23° (likely 70°21° to 75°24°)74°23°0%3 mph5 km/h from SW, gusts 8 mph13 km/h43%81%4

Days ahead

Tap a day for its hours and the official wording.
  1. Today, Oct 24. Cloudy. High 75°24°, low 47°8°. Dry. Mostly agree.
    1. Afternoon

      noon–6 PM

      Partly sunny, 75°24°

      Dry

    2. Evening

      6 PM–midnight

      Clear, 58°14°

      Dry

    3. Overnight

      midnight–6 AM

      Partly cloudy, 48°9°

      Dry

    Official NWS forecast

    Today: Mostly sunny, with a high near 75. Southeast wind around 7 mph.

    Tonight: Mostly clear, with a low around 47. Southeast wind around 5 mph.

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

    High, likely
    72°22°–75°24°
    Low, likely
    47°8°–48°9°
    Wind
    8 mph13 km/h, gusts 16 mph25 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 76°24°, low 49°9°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 51°11°

      Dry

    Official NWS forecast

    Day: Partly sunny, with a high near 76. South wind 2 to 6 mph.

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

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

    High, likely
    74°23°–78°26°
    Low, likely
    48°9°–50°10°
    Wind
    8 mph12 km/h, gusts 15 mph25 km/h
    UV peak
    4
  3. Monday, Oct 26. Cloudy. High 77°25°, low 49°9°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 51°11°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 75°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 53°12°

      Dry

    Official NWS forecast

    Day: Partly sunny. High near 77, with temperatures falling to around 72 in the afternoon. South wind around 3 mph.

    Night: Partly cloudy, with a low around 49.

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

    High, likely
    72°22°–77°25°
    Low, likely
    49°9°–54°12°
    Wind
    8 mph12 km/h, gusts 14 mph22 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Cloudy. High 75°24°, low 51°11°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 54°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 75.

    Night: Mostly cloudy, with a low around 51.

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

    High, likely
    69°21°–75°24°
    Low, likely
    49°9°–55°13°
    Wind
    10 mph16 km/h, gusts 21 mph33 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Partly sunny. High 79°26°, low 53°12°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 76°25°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 65°18°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 56°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 79.

    Night: Mostly clear, with a low around 53.

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

    High, likely
    73°23°–79°26°
    Low, likely
    49°9°–56°13°
    Wind
    10 mph17 km/h, gusts 20 mph32 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 81°27°, low 54°12°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 80°26°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 67°19°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 57°14°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 81.

    Night: Mostly clear, with a low around 54.

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

    High, likely
    76°24°–81°27°
    Low, likely
    53°12°–57°14°
    Wind
    12 mph19 km/h, gusts 26 mph42 km/h
    UV peak
    4
  7. Friday, Oct 30. Cloudy. High 80°27°, low 56°13°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 78°25°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 67°19°

      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 80.

    Night: Mostly cloudy, with a low around 56.

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

    High, likely
    74°23°–80°27°
    Low, likely
    53°12°–59°15°
    Wind
    13 mph20 km/h, gusts 23 mph37 km/h
    UV peak
    3
  8. Saturday, Oct 31. Drizzle. High 73°23°, low 60°16°. Rain 0.18 in4.6 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 60°16°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 75°24°

      40% chance

    3. Evening

      6 PM–midnight

      Drizzle, 67°19°

      40% chance · 0.07 in1.9 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 62°17°

      50% chance · 0.16 in4.2 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
    69°21°–76°24°
    Low, likely
    57°14°–62°17°
    Wind
    17 mph27 km/h, gusts 25 mph40 km/h
    UV peak
    2
  9. Sunday, Nov 1. Drizzle. High 73°23°, low 59°15°. Rain 0.55 in14 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 65°18°

      40% chance · 0.06 in1.6 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 74°23°

      40% chance · 0.03 in0.8 mm

    3. Evening

      6 PM–midnight

      Drizzle, 66°19°

      30% chance · 0.25 in6.3 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 51°11°

      40% 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
    68°20°–77°25°
    Low, likely
    55°13°–63°17°
    Wind
    17 mph27 km/h, gusts 42 mph67 km/h
    UV peak
    3
  10. Monday, Nov 2. Drizzle. High 62°17°, low 50°10°. Rain 0.31 in7.9 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 52°11°

      40% chance · 0.07 in1.7 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 54°12°

      40% chance · 0.11 in2.9 mm

    3. Evening

      6 PM–midnight

      Drizzle, 53°12°

      40% chance · 0.05 in1.3 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
    53°12°–71°22°
    Low, likely
    37°3°–65°18°
    Wind
    24 mph39 km/h, gusts 39 mph62 km/h
    UV peak
    1

The outlook

  1. Today

    Dry, high 75°, low 47°.

  2. Tomorrow

    Dry, high 76°, low 49°.

  3. Monday

    Dry, high 77°, low 49°.

  4. Rest of week

    Highs 62–81°; chance of precipitation on Saturday, Sunday.

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

Mississippi River at Mel Price (Alton) Lock and Dam

20 mi
Below flood stage
Level
6.8 ft
Flow
111,000 cfs

Forecast peak 7.5 ft Sat 7 PM

Reading from Sat 2 PM · NWS gauge page

Mississippi River at Alton

20 mi
Below flood stage
Level
18.8 ft

Reading from Sat 2 PM · NWS gauge page

Sun & moon

Sun

Sunrise 7:18 AM, sunset 6:08 PM.

Daylight
10 h 50 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 25 min less
Golden hour
5:31–6:25 PM
Morning 7:02–7:55 AM
Blue hour
6:25–6:35 PM
Morning 6:51–7:02 AM; first light 6:51 AM

Stars tonight? Fair

Mostly clear 6:35–10 PM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today
sets 5:33 AM · rises 5:06 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Royal Lakes. The highest point on the skyline is about 3,300 ft, 24 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.