Kaskaskia River at Cooks Mills
24 mi- Level
- 1.4 ft
- Flow
- 16 cfs
Reading from Sat 6 PM · NWS gauge page
Observed 6:45 PM CDT at KMTO
Westfield, IL weather
Clear and 63°17°, jacket by 9 PM.
Today: low 45°7°, high 71°22°.
Now 63°17°
Clear
- Wind
- 3 mph5 km/h
- From the southeast. Light through 7 AM
- Dew point
- 46°8°
- Comfortable
- UV tomorrow
- 4Moderate
- Moderate 11 AM–4 PM · peak 4
- Pressure
- 30.36 inHg1028 hPa
- Steady over the last 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
About the same as this time yesterday (65°18° then, 66°19° now)
Good hours for
TonightDown to 46°8° by 5 AM · Partly cloudy
Tomorrow morningUp to 66°19° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 75°24° by 3 PM · Partly cloudy
Tomorrow nightDown to 48°9° by 5 AM · Mostly cloudy
Monday morningUp to 69°21° by 11 AM · Mostly cloudy
Monday afternoonUp to 76°24° by 3 PM · Mostly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 7p | Partly cloudy | 61°16° (likely 59°15° to 61°16°) | 61°16° | 0% | 2 mph3 km/h from ESE, gusts 7 mph11 km/h | 58% | 62% | 0 |
| Sat 8p | Partly cloudy | 57°14° (likely 57°14° to 58°14°) | 57°14° | 0% | 2 mph3 km/h from ESE, gusts 7 mph11 km/h | 69% | 49% | 0 |
| Sat 9p | Partly cloudy | 54°12° (likely 54°12° to 56°13°) | 54°12° | 0% | 2 mph3 km/h from ESE, gusts 8 mph12 km/h | 77% | 44% | 0 |
| Sat 10p | Clear | 53°12° (likely 53°12° to 55°13°) | 53°12° | 0% | 2 mph3 km/h from ESE, gusts 8 mph12 km/h | 79% | 40% | 0 |
| Sat 11p | Clear | 52°11° (likely 52°11° to 54°12°) | 52°11° | 0% | 2 mph3 km/h from ESE, gusts 8 mph12 km/h | 80% | 40% | 0 |
| Sun 12a | Clear | 50°10° (likely 50°10° to 53°12°) | 50°10° | 0% | 2 mph3 km/h from ESE, gusts 8 mph13 km/h | 86% | 25% | 0 |
| Sun 1a | Clear | 49°9° (likely 49°9° to 52°11°) | 49°9° | 0% | 2 mph3 km/h from ESE, gusts 7 mph11 km/h | 88% | 2% | 0 |
| Sun 2a | Clear | 48°9° (likely 48°9° to 51°11°) | 48°9° | 0% | 2 mph3 km/h from ESE, gusts 7 mph11 km/h | 89% | 0% | 0 |
| Sun 3a | Clear | 47°8° (likely 47°8° to 50°10°) | 47°8° | 0% | 2 mph3 km/h from ESE, gusts 7 mph11 km/h | 93% | 4% | 0 |
| Sun 4a | Clear | 47°8° (likely 47°8° to 49°9°) | 47°8° | 0% | 2 mph3 km/h from ESE, gusts 7 mph11 km/h | 92% | 22% | 0 |
| Sun 5a | Mostly clear | 46°8° (likely 46°8° to 48°9°) | 46°8° | 0% | 2 mph3 km/h from ESE, gusts 7 mph11 km/h | 94% | 55% | 0 |
| Sun 6a | Mostly clear | 45°7° (likely 45°7° to 48°9°) | 45°7° | 0% | 2 mph3 km/h from ESE, gusts 6 mph10 km/h | 96% | 56% | 0 |
| Sun 7a | Mostly sunny | 45°7° (likely 45°7° to 47°8°) | 45°7° | 0% | 2 mph3 km/h from ESE, gusts 6 mph10 km/h | 96% | 60% | 0 |
| Sun 8a | Cloudy | 47°8° (likely 46°8° to 50°10°) | 46°8° | 0% | 3 mph5 km/h from SE, gusts 7 mph11 km/h | 96% | 73% | 0 |
| Sun 9a | Mostly sunny | 55°13° (likely 52°11° to 55°13°) | 55°13° | 0% | 3 mph5 km/h from SE, gusts 6 mph10 km/h | 80% | 51% | 1 |
| Sun 10a | Mostly sunny | 61°16° (likely 58°14° to 61°16°) | 61°16° | 0% | 3 mph5 km/h from SSE, gusts 7 mph11 km/h | 64% | 48% | 2 |
| Sun 11a | Mostly sunny | 66°19° (likely 64°18° to 66°19°) | 66°19° | 0% | 3 mph5 km/h from SSE, gusts 7 mph11 km/h | 52% | 53% | 3 |
| Sun 12p | Mostly sunny | 70°21° (likely 68°20° to 70°21°) | 70°21° | 0% | 3 mph5 km/h from SSE, gusts 7 mph11 km/h | 44% | 52% | 4 |
| Sun 1p | Mostly sunny | 73°23° (likely 70°21° to 73°23°) | 73°23° | 0% | 2 mph3 km/h from SSE, gusts 6 mph10 km/h | 39% | 31% | 4 |
| Sun 2p | Sunny | 74°23° (likely 71°22° to 74°23°) | 74°23° | 0% | 2 mph3 km/h from SSE, gusts 6 mph10 km/h | 36% | 36% | 4 |
| Sun 3p | Cloudy | 75°24° (likely 72°22° to 75°24°) | 75°24° | 0% | 2 mph3 km/h from SSE, gusts 6 mph10 km/h | 34% | 81% | 3 |
| Sun 4p | Partly sunny | 75°24° (likely 71°22° to 75°24°) | 75°24° | 0% | 2 mph3 km/h from SSE, gusts 7 mph10 km/h | 33% | 66% | 2 |
| Sun 5p | Cloudy | 73°23° (likely 69°21° to 73°23°) | 73°23° | 0% | 1 mph2 km/h from SSE, gusts 6 mph10 km/h | 38% | 63% | 1 |
| Sun 6p | Cloudy | 69°21° (likely 64°18° to 69°21°) | 69°21° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 45% | 60% | 0 |
| Sun 7p | Mostly clear | 63°17° (likely 61°16° to 64°18°) | 63°17° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 57% | 40% | 0 |
| Sun 8p | Partly cloudy | 58°14° (likely 58°14° to 61°16°) | 58°14° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 68% | 54% | 0 |
| Sun 9p | Cloudy | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 0 mph0 km/h, gusts 7 mph12 km/h | 73% | 80% | 0 |
| Sun 10p | Cloudy | 54°12° (likely 54°12° to 58°14°) | 54°12° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 77% | 75% | 0 |
| Sun 11p | Cloudy | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 0 mph0 km/h, gusts 7 mph12 km/h | 77% | 70% | 0 |
| Mon 12a | Cloudy | 53°12° (likely 53°12° to 57°14°) | 53°12° | 0% | 0 mph0 km/h, gusts 8 mph13 km/h | 78% | 79% | 0 |
| Mon 1a | Cloudy | 51°11° (likely 51°11° to 56°13°) | 51°11° | 0% | 1 mph2 km/h from SE, gusts 7 mph11 km/h | 84% | 80% | 0 |
| Mon 2a | Partly cloudy | 50°10° (likely 50°10° to 55°13°) | 50°10° | 0% | 0 mph0 km/h, gusts 7 mph12 km/h | 86% | 67% | 0 |
| Mon 3a | Cloudy | 49°9° (likely 49°9° to 54°12°) | 49°9° | 0% | 1 mph2 km/h from SE, gusts 8 mph13 km/h | 89% | 79% | 0 |
| Mon 4a | Cloudy | 49°9° (likely 49°9° to 53°12°) | 49°9° | 0% | 1 mph2 km/h from SSE, gusts 8 mph13 km/h | 89% | 65% | 0 |
| Mon 5a | Cloudy | 48°9° (likely 48°9° to 52°11°) | 48°9° | 0% | 1 mph2 km/h from SSE, gusts 8 mph13 km/h | 93% | 85% | 0 |
| Mon 6a | Partly cloudy | 48°9° (likely 48°9° to 52°11°) | 48°9° | 0% | 1 mph2 km/h from SSE, gusts 8 mph12 km/h | 93% | 72% | 0 |
| Mon 7a | Cloudy | 47°8° (likely 47°8° to 52°11°) | 47°8° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 96% | 86% | 0 |
| Mon 8a | Cloudy | 49°9° (likely 48°9° to 54°12°) | 49°9° | 0% | 1 mph2 km/h from SSE, gusts 6 mph10 km/h | 96% | 86% | 0 |
| Mon 9a | Mostly sunny | 56°13° (likely 54°12° to 58°14°) | 56°13° | 0% | 1 mph2 km/h from S, gusts 6 mph10 km/h | 79% | 81% | 1 |
| Mon 10a | Partly sunny | 63°17° (likely 61°16° to 64°18°) | 63°17° | 0% | 1 mph2 km/h from S, gusts 9 mph14 km/h | 64% | 70% | 2 |
| Mon 11a | Partly sunny | 69°21° (likely 67°19° to 69°21°) | 69°21° | 0% | 1 mph2 km/h from S, gusts 8 mph13 km/h | 52% | 75% | 3 |
| Mon 12p | Partly sunny | 72°22° (likely 70°21° to 72°22°) | 72°22° | 0% | 2 mph3 km/h from SSW, gusts 8 mph12 km/h | 44% | 69% | 3 |
| Mon 1p | Cloudy | 74°23° (likely 72°22° to 75°24°) | 74°23° | 0% | 2 mph3 km/h from SSW, gusts 8 mph12 km/h | 40% | 85% | 4 |
| Mon 2p | Cloudy | 75°24° (likely 72°22° to 76°24°) | 75°24° | 0% | 2 mph3 km/h from SSW, gusts 7 mph12 km/h | 37% | 82% | 4 |
| Mon 3p | Partly sunny | 76°24° (likely 72°22° to 76°24°) | 76°24° | 0% | 1 mph2 km/h from SSW, gusts 7 mph11 km/h | 36% | 88% | 3 |
| Mon 4p | Partly sunny | 76°24° (likely 72°22° to 76°24°) | 76°24° | 0% | 1 mph2 km/h from SSW, gusts 6 mph10 km/h | 36% | 80% | 2 |
| Mon 5p | Partly sunny | 74°23° (likely 69°21° to 76°24°) | 74°23° | 0% | 1 mph2 km/h from S, gusts 6 mph9 km/h | 39% | 78% | 1 |
| Mon 6p | Partly cloudy | 69°21° (likely 65°18° to 71°22°) | 69°21° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 48% | 42% | 0 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Cloudy. High 71°22°, low 45°7°. Typical 64°18° / 41°5°. Dry. Forecasts agree.
Evening
6 PM–midnight
Partly cloudy, 57°14°Dry
Overnight
midnight–6 AM
Clear, 46°8°Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 45. East southeast wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 71°22°
- Low, likely
- 45°7°
- Typical high / low
- 64°18° / 41°5°
- Wind
- 8 mph12 km/h
- UV peak
- 4
Tomorrow, Oct 25. Cloudy. High 75°24°, low 47°8°. Typical 64°18° / 40°4°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 47°8°Dry
Afternoon
noon–6 PM
Cloudy, 75°24°Dry
Evening
6 PM–midnight
Cloudy, 58°14°Dry
Overnight
midnight–6 AM
Cloudy, 48°9°Dry
Official NWS forecast
Day: Sunny, with a high near 75. Southeast wind around 3 mph.
Night: Partly cloudy, with a low around 47. Southeast wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–75°24°
- Low, likely
- 45°7°–47°8°
- Typical high / low
- 64°18° / 40°4°
- Wind
- 7 mph10 km/h
- UV peak
- 4
Monday, Oct 26. Partly sunny. High 76°24°, low 48°9°. Typical 63°17° / 40°4°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 49°9°Dry
Afternoon
noon–6 PM
Partly sunny, 76°24°Dry
Evening
6 PM–midnight
Mostly clear, 62°17°Dry
Overnight
midnight–6 AM
Partly cloudy, 52°11°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 76. South wind around 2 mph.
Night: Partly cloudy, with a low around 48. South southeast wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–76°24°
- Low, likely
- 48°9°–52°11°
- Typical high / low
- 63°17° / 40°4°
- Wind
- 6 mph10 km/h, gusts 13 mph20 km/h
- UV peak
- 4
Tuesday, Oct 27. Cloudy. High 74°23°, low 51°11°. Typical 63°17° / 40°4°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 53°12°Dry
Afternoon
noon–6 PM
Cloudy, 71°22°Dry
Evening
6 PM–midnight
Cloudy, 61°16°Dry
Overnight
midnight–6 AM
Clear, 53°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 74. South southeast wind 1 to 5 mph.
Night: Mostly cloudy, with a low around 51. South southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 70°21°–74°23°
- Low, likely
- 49°9°–54°12°
- Typical high / low
- 63°17° / 40°4°
- Wind
- 8 mph12 km/h, gusts 17 mph27 km/h
- UV peak
- 3
Wednesday, Oct 28. Partly sunny. High 77°25°, low 52°11°. Typical 62°17° / 39°4°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 54°12°Dry
Afternoon
noon–6 PM
Sunny, 75°24°Dry
Evening
6 PM–midnight
Clear, 63°17°Dry
Overnight
midnight–6 AM
Clear, 54°12°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 77.
Night: Mostly clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–77°25°
- Low, likely
- 50°10°–53°12°
- Typical high / low
- 62°17° / 39°4°
- Wind
- 11 mph17 km/h, gusts 20 mph32 km/h
- UV peak
- 4
Thursday, Oct 29. Mostly sunny. High 79°26°, low 51°11°. Typical 62°17° / 39°4°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 55°13°Dry
Afternoon
noon–6 PM
Sunny, 77°25°Dry
Evening
6 PM–midnight
Partly cloudy, 64°18°Dry
Overnight
midnight–6 AM
Clear, 54°12°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 79.
Night: Mostly clear, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 75°24°–79°26°
- Low, likely
- 50°10°–55°13°
- Typical high / low
- 62°17° / 39°4°
- Wind
- 14 mph22 km/h, gusts 23 mph37 km/h
- UV peak
- 4
Friday, Oct 30. Mostly sunny. High 79°26°, low 55°13°. Typical 61°16° / 39°4°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 56°13°Dry
Afternoon
noon–6 PM
Mostly sunny, 76°25°Dry
Evening
6 PM–midnight
Cloudy, 64°18°Dry
Overnight
midnight–6 AM
Partly cloudy, 56°13°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 79.
Night: Partly cloudy, with a low around 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–79°26°
- Low, likely
- 51°11°–55°13°
- Typical high / low
- 61°16° / 39°4°
- Wind
- 11 mph18 km/h, gusts 20 mph32 km/h
- UV peak
- 4
Saturday, Oct 31. Drizzle. High 75°24°, low 58°14°. Typical 61°16° / 38°3°. Rain 0.05 in1.3 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 58°15°20% chance
Afternoon
noon–6 PM
Cloudy, 74°23°30% chance
Evening
6 PM–midnight
Drizzle, 68°20°40% chance · 0.02 in0.5 mm
Overnight
midnight–6 AM
Drizzle, 63°17°50% chance · 0.16 in4 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 75.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 66°19°–78°26°
- Low, likely
- 56°13°–61°16°
- Typical high / low
- 61°16° / 38°3°
- Wind
- 17 mph27 km/h, gusts 34 mph55 km/h
- UV peak
- 3
Sunday, Nov 1. Drizzle. High 72°22°, low 62°17°. Typical 60°16° / 38°3°. Rain 0.34 in8.6 mm, 50% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 65°18°50% chance · 0.06 in1.5 mm
Afternoon
noon–6 PM
Drizzle, 73°23°50% chance
Evening
6 PM–midnight
Drizzle, 68°20°40% chance · 0.11 in2.8 mm
Overnight
midnight–6 AM
Drizzle, 58°14°40% chance · 0.14 in3.5 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
- 69°21°–79°26°
- Low, likely
- 59°15°–66°19°
- Typical high / low
- 60°16° / 38°3°
- Wind
- 21 mph34 km/h, gusts 40 mph64 km/h
- UV peak
- 3
Monday, Nov 2. Cloudy. High 70°21°, low 55°13°. Typical 60°16° / 38°3°. Rain 0.33 in8.4 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 58°14°40% chance · 0.09 in2.3 mm
Afternoon
noon–6 PM
Partly sunny, 65°18°40% chance
Evening
6 PM–midnight
Clear, 57°14°30% 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
- 63°17°–74°23°
- Low, likely
- 37°3°–63°17°
- Typical high / low
- 60°16° / 38°3°
- Wind
- 21 mph33 km/h, gusts 37 mph60 km/h
- UV peak
- 4
The outlook
Today
Dry, high 71°, low 45°.
Tomorrow
Dry, high 75°, low 47°, warming up.
Monday
Dry, high 76°, low 48°.
Rest of week
Highs 70–79°; chance of precipitation on Sunday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (ILX) (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
Rivers
NOAA river gauges within 25 mi
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 82% less heating than a typical week.
This week 17Typical 97
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 7
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at.
Comfort
Dry air outside (dew point 46°F).
Open the windows?
Sun, 10:00 AM–7:00 PM
Good stretch to open the windows (air quality forecast not available for part of this window).
Is this typical?
Casey · official normals 1991–2020 · records 1893–2026
Oct 24, today vs a typical year
Today’s expected high is 7°4° warmer than typical.
- Normal high / low
- 64°18° / 41°5°
- Forecast high / low
- 71°22° / 45°7°
- Record high
- 82°28° in 1902
- Record low
- 20°−7° in 1981
Last 7 days vs normal
On average 2°1° warmer than normal (daily mean temperature).
- −4°−2°MonOct 19
- −1°TueOct 20
- +3°+2°WedOct 21
- +5°+3°ThuOct 22
- +6°+3°FriOct 23
- +6°+3°SatOct 24
- —SunOct 25
Westfield weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:11 AM, sunset 6:00 PM.
- Daylight
- 10 h 49 min
- Losing 2 min 25 s a day; shortest Dec 21, 1 h 26 min less
- Golden hour
- 5:23–6:17 PM
- Morning 6:54–7:48 AM
- Blue hour
- 6:17–6:27 PM
- Morning 6:44–6:54 AM; first light 6:44 AM
Stars tonight? Fair
Mostly clear 1–5 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 5:25 AM · rises 4:57 PM
- Full moon
- Oct 25
- New moon
- Nov 9
