Skip to forecast
Search a place

Observed 8:45 AM CDT at KMWA

Herrin, IL weather

Sunny and 52°11°, 11°6° warmer than a typical Oct 24.

Today: low 48°9° (likely 42°6° to 48°9°), high 77°25° (likely 73°23° to 77°25°).

Mostly agree

Now 52°11°

Sunny

Wind
Calm
Light through 9 PM
Dew point
46°8°
Comfortable
UV index
1Low
Moderate 11 AM–4 PM · peak 5
Pressure
30.39 inHg1029 hPa
Rising slowly · +0.02 inHg+0.7 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 (52°11° then, 52°11° now)

Good hours for
  • Above 60°16° today by 11 AM
  • High 77°25° today at 4 PM
  • Drops 13°7° tonight 6–9 PM (72°22° → 59°15°)
  • Below 60°16° tonight after 8 PM
  • Low 48°9° tomorrow at 6 AM
  1. This morningUp to 66°19° by 11 AM · Clear
  2. This afternoonUp to 77°25° by 4 PM · Partly cloudy
  3. TonightDown to 49°9° by 4 AM · Partly cloudy
  4. Tomorrow morningUp to 69°21° by 11 AM · Partly cloudy
  5. Tomorrow afternoonUp to 79°26° by 3 PM · Mostly cloudy
  6. Tomorrow nightDown to 50°10° by 5 AM · Cloudy
  7. Monday morningUp to 54°12° by 8 AM · Cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 9aSunny51°11° (likely 49°9° to 54°12°)51°11°0%1 mph2 km/h from SE, gusts 4 mph7 km/h76%17%1
Sat 10aPartly sunny58°14° (likely 58°14° to 61°16°)58°14°0%2 mph3 km/h from ESE, gusts 7 mph11 km/h60%16%2
Sat 11aSunny66°19° (likely 63°17° to 67°19°)66°19°0%3 mph5 km/h from ESE, gusts 6 mph10 km/h48%16%3
Sat 12pMostly sunny70°21° (likely 67°19° to 72°22°)70°21°0%3 mph5 km/h from E, gusts 6 mph9 km/h41%31%4
Sat 1pSunny74°23° (likely 70°21° to 75°24°)74°23°0%3 mph5 km/h from E, gusts 5 mph8 km/h33%24%5
Sat 2pCloudy75°24° (likely 72°22° to 76°24°)75°24°0%3 mph5 km/h from E, gusts 4 mph7 km/h31%68%4
Sat 3pPartly sunny76°24° (likely 73°23° to 76°24°)76°24°0%3 mph5 km/h from E, gusts 6 mph9 km/h30%50%3
Sat 4pMostly sunny77°25° (likely 72°22° to 77°25°)77°25°0%3 mph5 km/h from E, gusts 6 mph9 km/h29%46%1
Sat 5pMostly sunny75°24° (likely 69°21° to 75°24°)75°24°0%3 mph5 km/h from E, gusts 7 mph11 km/h31%48%0
Sat 6pPartly cloudy72°22° (likely 65°18° to 72°22°)72°22°0%2 mph3 km/h from E, gusts 6 mph9 km/h37%51%0
Sat 7pClear67°19° (likely 61°16° to 67°19°)67°19°0%2 mph3 km/h from E, gusts 6 mph9 km/h47%41%0
Sat 8pClear59°15° (likely 58°14° to 60°16°)59°15°0%1 mph2 km/h from ESE, gusts 6 mph9 km/h64%40%0
Sat 9pClear57°14° (likely 55°13° to 58°14°)57°14°0%1 mph2 km/h from ESE, gusts 5 mph8 km/h72%40%0
Sat 10pClear55°13° (likely 53°12° to 56°13°)55°13°0%1 mph2 km/h from ESE, gusts 5 mph8 km/h77%40%0
Sat 11pClear54°12° (likely 51°11° to 55°13°)54°12°0%1 mph2 km/h from SE, gusts 6 mph9 km/h80%28%0
Sun 12aClear52°11° (likely 50°10° to 54°12°)52°11°0%1 mph2 km/h from SE, gusts 6 mph10 km/h83%3%0
Sun 1aClear52°11° (likely 49°9° to 53°12°)52°11°0%1 mph2 km/h from SE, gusts 5 mph9 km/h83%9%0
Sun 2aClear51°11° (likely 48°9° to 53°12°)51°11°0%1 mph2 km/h from SE, gusts 5 mph9 km/h83%28%0
Sun 3aPartly cloudy50°10° (likely 47°8° to 52°11°)50°10°0%0 mph0 km/h, gusts 5 mph7 km/h86%45%0
Sun 4aClear49°9° (likely 47°8° to 52°11°)49°9°0%0 mph0 km/h, gusts 5 mph8 km/h89%42%0
Sun 5aClear49°9° (likely 47°8° to 51°11°)49°9°0%0 mph0 km/h, gusts 5 mph9 km/h86%9%0
Sun 6aClear48°9° (likely 47°8° to 51°11°)48°9°0%0 mph0 km/h, gusts 6 mph9 km/h89%43%0
Sun 7aSunny48°9° (likely 46°8° to 51°11°)48°9°0%0 mph0 km/h, gusts 5 mph8 km/h89%44%0
Sun 8aPartly sunny50°10° (likely 48°9° to 53°12°)50°10°0%0 mph0 km/h, gusts 6 mph10 km/h89%45%0
Sun 9aPartly sunny55°13° (likely 54°12° to 60°16°)55°13°0%1 mph2 km/h from S, gusts 7 mph11 km/h80%47%1
Sun 10aPartly sunny64°18° (likely 62°17° to 67°19°)64°18°0%0 mph0 km/h, gusts 12 mph19 km/h58%58%2
Sun 11aPartly sunny69°21° (likely 68°20° to 72°22°)69°21°0%2 mph3 km/h from SSW, gusts 13 mph21 km/h49%65%3
Sun 12pPartly sunny74°23° (likely 71°22° to 75°24°)74°23°0%2 mph3 km/h from SSW, gusts 12 mph20 km/h40%67%4
Sun 1pPartly sunny77°25° (likely 74°23° to 77°25°)77°25°0%3 mph5 km/h from SW, gusts 10 mph17 km/h35%74%4
Sun 2pCloudy77°25° (likely 75°24° to 78°26°)77°25°0%3 mph5 km/h from SW, gusts 9 mph14 km/h33%80%4
Sun 3pCloudy79°26° (likely 75°24° to 79°26°)79°26°0%2 mph3 km/h from SSW, gusts 8 mph12 km/h31%83%3
Sun 4pCloudy77°25° (likely 75°24° to 78°26°)77°25°0%2 mph3 km/h from SSW, gusts 7 mph11 km/h32%92%3
Sun 5pCloudy77°25° (likely 72°22° to 77°25°)77°25°0%2 mph3 km/h from S, gusts 7 mph11 km/h33%86%1
Sun 6pCloudy73°23° (likely 67°19° to 73°23°)73°23°0%0 mph0 km/h, gusts 6 mph10 km/h41%86%0
Sun 7pCloudy66°19° (likely 63°17° to 67°19°)66°19°0%0 mph0 km/h, gusts 8 mph13 km/h56%86%0
Sun 8pCloudy62°17° (likely 60°16° to 64°18°)62°17°0%0 mph0 km/h, gusts 9 mph14 km/h65%86%0
Sun 9pCloudy59°15° (likely 59°15° to 62°17°)59°15°0%0 mph0 km/h, gusts 8 mph14 km/h72%87%0
Sun 10pCloudy58°14° (likely 57°14° to 60°16°)58°14°0%0 mph0 km/h, gusts 8 mph13 km/h77%88%0
Sun 11pCloudy56°13° (likely 56°13° to 59°15°)56°13°0%0 mph0 km/h, gusts 7 mph12 km/h83%89%0
Mon 12aCloudy55°13° (likely 55°13° to 58°14°)55°13°0%0 mph0 km/h, gusts 8 mph12 km/h86%89%0
Mon 1aCloudy54°12° (likely 54°12° to 58°14°)54°12°0%0 mph0 km/h, gusts 7 mph12 km/h86%89%0
Mon 2aCloudy53°12° (likely 53°12° to 57°14°)53°12°0%0 mph0 km/h, gusts 7 mph12 km/h86%89%0
Mon 3aCloudy52°11° (likely 52°11° to 55°13°)52°11°0%0 mph0 km/h, gusts 6 mph10 km/h89%90%0
Mon 4aCloudy51°11° (likely 51°11° to 55°13°)51°11°0%0 mph0 km/h, gusts 5 mph8 km/h89%91%0
Mon 5aCloudy50°10° (likely 50°10° to 54°12°)50°10°0%0 mph0 km/h, gusts 4 mph7 km/h89%94%0
Mon 6aCloudy49°9° (likely 49°9° to 54°12°)49°9°0%0 mph0 km/h, gusts 5 mph7 km/h93%93%0
Mon 7aCloudy50°10° (likely 50°10° to 55°13°)50°10°0%0 mph0 km/h, gusts 4 mph7 km/h89%93%0
Mon 8aMostly cloudy54°12° (likely 51°11° to 58°14°)54°12°0%0 mph0 km/h, gusts 4 mph6 km/h83%80%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Mostly sunny. High 77°25°, low 48°9°. Typical 66°19° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 66°19°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 49°9°

      Dry

    Official NWS forecast

    Today: Mostly sunny. High near 77, with temperatures falling to around 75 in the afternoon. East southeast wind around 3 mph.

    Tonight: Mostly clear, with a low around 48. East southeast wind around 2 mph.

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

    High, likely
    73°23°–77°25°
    Low, likely
    42°6°–48°9°
    Typical high / low
    66°19° / 41°5°
    Wind
    7 mph10 km/h, gusts 12 mph19 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 79°26°, low 49°9°. Typical 66°19° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 79°26°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 62°17°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 50°10°

      Dry

    Official NWS forecast

    Day: Mostly sunny. High near 79, with temperatures falling to around 77 in the afternoon. South southwest wind 0 to 3 mph.

    Night: Mostly cloudy, with a low around 49. Wind around 0 mph.

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

    High, likely
    75°24°–79°26°
    Low, likely
    46°8°–50°10°
    Typical high / low
    66°19° / 41°5°
    Wind
    8 mph13 km/h, gusts 15 mph24 km/h
    UV peak
    4
  3. Monday, Oct 26. Cloudy. High 78°26°, low 49°9°. Typical 66°19° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 54°12°

      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

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 78. Southwest wind 0 to 3 mph.

    Night: Partly cloudy, with a low around 49. West wind around 1 mph.

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

    High, likely
    73°23°–78°26°
    Low, likely
    49°9°–54°12°
    Typical high / low
    66°19° / 41°5°
    Wind
    7 mph11 km/h, gusts 13 mph20 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Mostly cloudy. High 76°24°, low 51°11°. Typical 65°18° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 54°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 74°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 54°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 76. South southeast wind 0 to 5 mph.

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

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

    High, likely
    72°22°–76°24°
    Low, likely
    47°8°–54°12°
    Typical high / low
    65°18° / 40°4°
    Wind
    7 mph11 km/h, gusts 14 mph22 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Cloudy. High 79°26°, low 51°11°. Typical 65°18° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 56°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 53°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 79. South southwest wind 0 to 9 mph.

    Night: Mostly clear, with a low around 51. South wind around 5 mph.

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

    High, likely
    73°23°–79°26°
    Low, likely
    51°11°–55°13°
    Typical high / low
    65°18° / 40°4°
    Wind
    9 mph14 km/h, gusts 20 mph32 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 79°26°, low 50°10°. Typical 64°18° / 40°4°. 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, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 53°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 79. South southwest wind 3 to 7 mph.

    Night: Mostly clear, with a low around 50. South wind around 3 mph.

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

    High, likely
    76°24°–80°27°
    Low, likely
    48°9°–55°13°
    Typical high / low
    64°18° / 40°4°
    Wind
    10 mph16 km/h, gusts 22 mph35 km/h
    UV peak
    4
  7. Friday, Oct 30. Cloudy. High 77°25°, low 52°11°. Typical 64°18° / 40°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 79°26°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 66°19°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 60°16°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 77. South wind 1 to 7 mph.

    Night: Mostly cloudy, with a low around 52. South southeast wind around 3 mph.

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

    High, likely
    75°24°–81°27°
    Low, likely
    49°9°–56°13°
    Typical high / low
    64°18° / 40°4°
    Wind
    7 mph11 km/h, gusts 17 mph27 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 75°24°, low 62°17°. Typical 63°17° / 39°4°. Rain 0.11 in2.8 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 65°19°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 69°21°

      30% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 67°19°

      40% 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
    70°21°–79°26°
    Low, likely
    59°15°–65°18°
    Typical high / low
    63°17° / 39°4°
    Wind
    12 mph19 km/h, gusts 21 mph33 km/h
    UV peak
    3
  9. Sunday, Nov 1. Showers. High 71°22°, low 63°17°. Typical 63°17° / 39°4°. Rain 0.69 in18 mm, 40% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Drizzle, 67°19°

      40% chance · 0.12 in3.1 mm

    2. Afternoon

      noon–6 PM

      Rain, 67°19°

      40% chance · 0.23 in5.7 mm

    3. Evening

      6 PM–midnight

      Rain, 66°19°

      40% chance · 0.24 in6.2 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 61°16°

      40% 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 agreeIndependent forecasts are close; the range is narrow.

    High, likely
    70°21°–71°22°
    Low, likely
    59°15°–66°19°
    Typical high / low
    63°17° / 39°4°
    Wind
    23 mph37 km/h, gusts 43 mph69 km/h
  10. Monday, Nov 2. Showers. High 67°19°, low 57°14°. Typical 62°17° / 39°4°. Rain 0.39 in9.9 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 61°16°

      40% chance · 0.21 in5.4 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 64°18°

      40% chance · 0.17 in4.3 mm

    3. Evening

      6 PM–midnight

      Rain, 63°17°

      30% chance · 0.2 in5 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
    60°16°–75°24°
    Low, likely
    48°9°–67°19°
    Typical high / low
    62°17° / 39°4°
    Wind
    18 mph28 km/h, gusts 36 mph57 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 77°, low 48°.

  2. Tomorrow

    Dry, high 79°, low 49°.

  3. Monday

    Dry, high 78°, low 49°.

  4. Rest of week

    Highs 67–79°; chance of precipitation on Sunday.

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

Big Muddy River at Plumfield

6.5 mi
Below flood stage
Level
2.5 ft
Flow
66 cfs

Reading from Sat 8 AM · NWS gauge page

Crab Orchard Creek at Crab Orchard Lake near Marion 12W

8.7 mi
Level
405 ft

Reading from Sat 7:15 AM · NWS gauge page

Crab Orchard Creek above Marion

9.0 mi
Level
0.6 ft
Flow
under 1 cfs

Reading from Sat 8 AM · NWS gauge page

Grassy Creek (IL) at Devils Kitchen Lake near Marion 11WSW

11 mi
Level
508 ft

Reading from Sat 7:15 AM · NWS gauge page

For your home

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

Heating this week

About 84% less heating than a typical week.

This week 14Typical 86

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 11:00 AM–7:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

CARBONDALE SEWAGE PLANT · official normals 1991–2020 · records 1898–2026

Oct 24, today vs a typical year

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

Normal high / low
66°19° / 41°5°
Forecast high / low
77°25° / 48°9°
Record high
86°30° in 1940
Record low
18°−8° in 1981

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

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

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

Sun & moon

Sun

Sunrise 7:13 AM, sunset 6:06 PM.

Daylight
10 h 53 min
Losing 2 min 16 s a day; shortest Dec 21, 1 h 20 min less
Golden hour
5:30–6:23 PM
Morning 6:56–7:49 AM
Blue hour
6:23–6:33 PM
Morning 6:46–6:56 AM; first light 6:46 AM

Stars tonight? Fair

Mostly clear 12–2 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:28 AM · rises 5:03 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Herrin. The highest point on the skyline is about 1,900 ft, 21 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.