Skip to forecast
Search a place

Observed 6:15 PM CDT at KSAR

Sparta, IL weather

Clear and 65°18°.

Today: low 48°9° (likely 45°7° to 48°9°), high 74°23° (likely 73°23° to 75°24°).

Mostly agree

Now 65°18°

Clear

Wind
3 mph5 km/h
From the east. Light through 7 AM
Dew point
44°7°
Comfortable
UV tomorrow
4Moderate
Moderate 11 AM–5 PM · peak 4
Pressure
30.34 inHg1027 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

4°2° cooler than this time yesterday (69°21° then, 65°18° now)

Good hours for
  • Below 60°16° tonight after 9 PM
  • Low 48°9° tomorrow at 7 AM
  • Above 60°16° tomorrow by 10 AM
  • High 77°25° tomorrow at 3 PM
  1. TonightDown to 49°9° by 5 AM · Partly cloudy
  2. Tomorrow morningUp to 67°19° by 11 AM · Mostly cloudy
  3. Tomorrow afternoonUp to 77°25° by 3 PM · Mostly cloudy
  4. Tomorrow nightDown to 51°11° by 5 AM · Mostly cloudy
  5. Monday morningUp to 67°19° by 11 AM · Mostly cloudy
  6. Monday afternoonUp to 76°24° by 2 PM · Mostly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 7pClear64°18° (likely 61°16° to 66°19°)64°18°0%2 mph3 km/h from SE, gusts 5 mph8 km/h50%8%0
Sat 8pMostly clear60°16° (likely 59°15° to 62°17°)60°16°0%2 mph3 km/h from SE, gusts 9 mph14 km/h58%17%0
Sat 9pClear58°14° (likely 57°14° to 61°16°)58°14°0%2 mph3 km/h from SE, gusts 10 mph16 km/h62%41%0
Sat 10pClear56°13° (likely 55°13° to 59°15°)56°13°0%2 mph3 km/h from SE, gusts 11 mph17 km/h72%40%0
Sat 11pMostly clear55°13° (likely 54°12° to 58°14°)55°13°0%2 mph3 km/h from SE, gusts 10 mph16 km/h74%49%0
Sun 12aMostly clear54°12° (likely 52°11° to 57°14°)54°12°0%2 mph3 km/h from SE, gusts 9 mph15 km/h77%9%0
Sun 1aClear53°12° (likely 51°11° to 56°13°)53°12°0%1 mph2 km/h from SE, gusts 9 mph15 km/h80%1%0
Sun 2aPartly cloudy52°11° (likely 50°10° to 55°13°)52°11°0%1 mph2 km/h from SE, gusts 8 mph13 km/h83%32%0
Sun 3aPartly cloudy50°10° (likely 49°9° to 55°13°)50°10°0%1 mph2 km/h from SE, gusts 8 mph12 km/h89%32%0
Sun 4aPartly cloudy50°10° (likely 48°9° to 53°12°)50°10°0%1 mph2 km/h from SE, gusts 7 mph11 km/h89%19%0
Sun 5aMostly clear49°9° (likely 47°8° to 52°11°)49°9°0%1 mph2 km/h from SE, gusts 6 mph10 km/h93%53%0
Sun 6aCloudy49°9° (likely 47°8° to 52°11°)49°9°0%1 mph2 km/h from SE, gusts 6 mph9 km/h93%71%0
Sun 7aPartly sunny48°9° (likely 46°8° to 51°11°)48°9°0%1 mph2 km/h from SE, gusts 4 mph6 km/h96%56%0
Sun 8aPartly sunny50°10° (likely 47°8° to 52°11°)50°10°0%1 mph2 km/h from SE, gusts 4 mph6 km/h93%31%0
Sun 9aCloudy56°13° (likely 54°12° to 57°14°)56°13°0%1 mph2 km/h from S, gusts 5 mph7 km/h80%62%1
Sun 10aPartly sunny62°17° (likely 60°16° to 65°18°)62°17°0%2 mph3 km/h from S, gusts 7 mph11 km/h67%75%2
Sun 11aCloudy67°19° (likely 65°18° to 70°21°)67°19°0%3 mph5 km/h from S, gusts 7 mph11 km/h54%80%3
Sun 12pCloudy72°22° (likely 70°21° to 74°23°)72°22°0%5 mph8 km/h from SW, gusts 7 mph12 km/h46%75%4
Sun 1pCloudy75°24° (likely 73°23° to 77°25°)75°24°0%5 mph8 km/h from S, gusts 5 mph8 km/h40%81%4
Sun 2pCloudy76°24° (likely 74°23° to 78°26°)76°24°0%3 mph5 km/h from S, gusts 4 mph6 km/h37%81%4
Sun 3pCloudy77°25° (likely 75°24° to 79°26°)77°25°0%3 mph5 km/h from S, gusts 4 mph7 km/h35%81%4
Sun 4pCloudy77°25° (likely 74°23° to 79°26°)77°25°0%2 mph3 km/h from SE, gusts 4 mph7 km/h35%81%3
Sun 5pCloudy75°24° (likely 72°22° to 78°26°)75°24°0%1 mph2 km/h from S, gusts 5 mph8 km/h38%80%1
Sun 6pCloudy71°22° (likely 67°19° to 72°22°)71°22°0%1 mph2 km/h from S, gusts 7 mph11 km/h46%80%0
Sun 7pCloudy65°18° (likely 64°18° to 67°19°)65°18°0%2 mph3 km/h from SE, gusts 9 mph14 km/h56%80%0
Sun 8pCloudy62°17° (likely 62°17° to 65°18°)62°17°0%2 mph3 km/h from SE, gusts 10 mph16 km/h62%80%0
Sun 9pCloudy59°15° (likely 59°15° to 64°18°)59°15°0%2 mph3 km/h from SE, gusts 10 mph16 km/h69%81%0
Sun 10pCloudy58°14° (likely 58°14° to 62°17°)58°14°0%2 mph3 km/h from S, gusts 10 mph16 km/h75%82%0
Sun 11pCloudy56°13° (likely 56°13° to 61°16°)56°13°0%2 mph3 km/h from S, gusts 9 mph15 km/h80%82%0
Mon 12aCloudy55°13° (likely 55°13° to 59°15°)55°13°0%2 mph3 km/h from S, gusts 9 mph15 km/h83%82%0
Mon 1aCloudy54°12° (likely 54°12° to 58°14°)54°12°0%2 mph3 km/h from S, gusts 9 mph15 km/h83%82%0
Mon 2aCloudy54°12° (likely 54°12° to 57°14°)54°12°0%2 mph3 km/h from S, gusts 9 mph14 km/h83%82%0
Mon 3aCloudy53°12° (likely 53°12° to 56°13°)53°12°0%2 mph3 km/h from S, gusts 8 mph12 km/h86%81%0
Mon 4aCloudy52°11° (likely 52°11° to 55°13°)52°11°0%2 mph3 km/h from S, gusts 8 mph12 km/h89%81%0
Mon 5aCloudy51°11° (likely 51°11° to 55°13°)51°11°0%2 mph3 km/h from S, gusts 8 mph13 km/h93%81%0
Mon 6aCloudy51°11° (likely 51°11° to 54°12°)51°11°0%1 mph2 km/h from S, gusts 8 mph13 km/h89%81%0
Mon 7aCloudy51°11° (likely 51°11° to 54°12°)51°11°0%1 mph2 km/h from S, gusts 8 mph12 km/h89%82%0
Mon 8aCloudy52°11° (likely 52°11° to 56°13°)52°11°0%0 mph0 km/h, gusts 7 mph12 km/h89%82%0
Mon 9aCloudy56°13° (likely 56°13° to 60°16°)56°13°0%0 mph0 km/h, gusts 7 mph12 km/h83%82%1
Mon 10aCloudy62°17° (likely 62°17° to 67°19°)62°17°0%1 mph2 km/h from SW, gusts 9 mph15 km/h70%81%1
Mon 11aCloudy67°19° (likely 67°19° to 71°22°)67°19°0%1 mph2 km/h from SW, gusts 10 mph16 km/h59%83%2
Mon 12pCloudy71°22° (likely 71°22° to 74°23°)71°22°0%2 mph3 km/h from SW, gusts 9 mph15 km/h49%84%3
Mon 1pMostly cloudy74°23° (likely 74°23° to 76°24°)74°23°0%2 mph3 km/h from SW, gusts 9 mph14 km/h41%78%4
Mon 2pCloudy76°24° (likely 74°23° to 78°26°)76°24°0%2 mph3 km/h from SW, gusts 8 mph13 km/h39%86%3
Mon 3pMostly cloudy76°24° (likely 74°23° to 77°25°)76°24°0%1 mph2 km/h from S, gusts 7 mph12 km/h39%72%3
Mon 4pPartly sunny76°24° (likely 73°23° to 77°25°)76°24°0%1 mph2 km/h from S, gusts 7 mph12 km/h39%52%2
Mon 5pPartly sunny73°23° (likely 70°21° to 76°24°)73°23°0%1 mph2 km/h from S, gusts 8 mph13 km/h43%51%1
Mon 6pPartly cloudy69°21° (likely 66°19° to 73°23°)69°21°0%1 mph2 km/h from S, gusts 6 mph10 km/h51%48%0

Days ahead

Tap a day for its hours and the official wording.
  1. Today, Oct 24. Cloudy. High 74°23°, low 48°9°. Dry. Mostly agree.
    1. Evening

      6 PM–midnight

      Clear, 60°16°

      Dry

    2. Overnight

      midnight–6 AM

      Partly cloudy, 49°9°

      Dry

    Official NWS forecast

    Tonight: Partly cloudy, with a low around 48. Southeast wind around 2 mph.

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

    High, likely
    73°23°–75°24°
    Low, likely
    45°7°–48°9°
    Wind
    7 mph10 km/h, gusts 16 mph25 km/h
    UV peak
    5
  2. Tomorrow, Oct 25. Cloudy. High 77°25°, low 51°11°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 51°11°

      Dry

    Official NWS forecast

    Day: Mostly sunny, with a high near 77. South wind 1 to 5 mph.

    Night: Mostly cloudy, with a low around 51. South wind around 2 mph.

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

    High, likely
    75°24°–79°26°
    Low, likely
    46°8°–51°11°
    Wind
    7 mph12 km/h, gusts 15 mph25 km/h
    UV peak
    4
  3. Monday, Oct 26. Cloudy. High 76°24°, low 50°10°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly cloudy, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 53°12°

      Dry

    Official NWS forecast

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

    Night: Partly cloudy, with a low around 50. South wind around 1 mph.

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

    High, likely
    74°23°–77°25°
    Low, likely
    50°10°–54°12°
    Wind
    7 mph11 km/h, gusts 15 mph23 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, 73°23°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 52°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly cloudy, 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
    71°22°–75°24°
    Low, likely
    49°9°–55°13°
    Wind
    9 mph15 km/h, gusts 17 mph28 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Mostly sunny. High 78°26°, low 53°12°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 78°26°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 64°18°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 55°13°

      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 53.

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

    High, likely
    75°24°–79°26°
    Low, likely
    49°9°–54°12°
    Wind
    11 mph18 km/h, gusts 21 mph33 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 80°27°, low 54°12°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 80°26°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 65°18°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 55°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 80.

    Night: Mostly clear, with a low around 54.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    78°26°–81°27°
    Low, likely
    52°11°–56°13°
    Wind
    13 mph21 km/h, gusts 26 mph42 km/h
    UV peak
    4
  7. Friday, Oct 30. Partly sunny. High 79°26°, low 56°13°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 79°26°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 65°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 79.

    Night: Mostly cloudy, with a low around 56.

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

    High, likely
    75°24°–81°27°
    Low, likely
    52°11°–56°13°
    Wind
    11 mph18 km/h, gusts 18 mph29 km/h
    UV peak
    4
  8. Saturday, Oct 31. Showers. High 76°24°, low 60°16°. Rain 0.09 in2.3 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 61°16°

      20% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 75°24°

      30% chance

    3. Evening

      6 PM–midnight

      Drizzle, 69°21°

      40% chance · 0.05 in1.2 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 66°19°

      50% chance · 0.07 in1.9 mm

    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 76. Chance of precipitation is 20%.

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

    High, likely
    66°19°–80°27°
    Low, likely
    57°14°–66°19°
    Wind
    15 mph24 km/h, gusts 32 mph52 km/h
    UV peak
    3
  9. Sunday, Nov 1. Drizzle. High 78°26°, low 64°18°. Rain 0.26 in6.6 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 67°20°

      50% chance · 0.06 in1.5 mm

    2. Afternoon

      noon–6 PM

      Partly sunny, 79°26°

      40% chance · 0.01 in0.4 mm

    3. Evening

      6 PM–midnight

      Cloudy, 73°23°

      30% chance · 0.05 in1.3 mm

    4. Overnight

      midnight–6 AM

      Cloudy, 62°17°

      30% 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
    72°22°–86°30°
    Low, likely
    62°17°–68°20°
    Wind
    19 mph30 km/h, gusts 39 mph62 km/h
    UV peak
    3
  10. Monday, Nov 2. Cloudy. High 74°23°, low 58°14°. Rain 0.23 in5.8 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 62°16°

      30% chance · 0.03 in0.7 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 70°21°

      30% chance

    3. Evening

      6 PM–midnight

      Cloudy, 60°16°

      30% chance · 0.19 in4.8 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.

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

    High, likely
    65°18°–79°26°
    Low, likely
    39°4°–67°19°
    Wind
    20 mph33 km/h, gusts 36 mph57 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 74°, low 48°.

  2. Tomorrow

    Dry, high 77°, low 51°, warming up.

  3. Monday

    Dry, high 76°, low 50°.

  4. Rest of week

    Highs 74–80°; chance of precipitation on 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 Chester

17 mi
Below flood stage
Level
11.5 ft
Flow
178,000 cfs

Forecast peak 11.0 ft Sat 7 PM

Reading from Sat 6 PM · NWS gauge page

Kaskaskia River at New Athens

15 mi
Below flood stage
Level
68.7 ft
Flow
794 cfs

Reading from Sat 5 PM · NWS gauge page

Sun & moon

Sun

Sunrise 7:16 AM, sunset 6:08 PM.

Daylight
10 h 52 min
Losing 2 min 21 s a day; shortest Dec 21, 1 h 21 min less
Golden hour
5:32–6:25 PM
Morning 7:00–7:53 AM
Blue hour
6:25–6:35 PM
Morning 6:49–7:00 AM; first light 6:49 AM

Stars tonight? Fair

Mostly clear 7:07–9 PM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today
sets 5:32 AM · rises 5:06 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Sparta. The highest point on the skyline is about 2,000 ft, 31 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.