Illinois River at Meredosia
20 mi- Level
- 4.2 ft
- Flow
- 14,500 cfs
Forecast peak 4.1 ft Sat 7 PM
Reading from Sat 5 PM · NWS gauge page
Observed 4:55 PM CDT at KIJX
South Jacksonville, IL weather
Sunny and 73°23°, 10°6° warmer than a typical Oct 24.
Today: low 49°9° (likely 47°8° to 49°9°), high 74°23° (likely 74°23° to 76°24°).
Now 73°23°
Sunny
- Wind
- 9 mph15 km/h
- From the east-southeast. 35–9 mph15 km/h through 5 AM
- Dew point
- 46°8°
- Comfortable
- UV tomorrow
- 4Moderate
- Moderate 11 AM–4 PM · peak 4
- Pressure
- 30.32 inHg1027 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 (74°23° then, 73°23° now)
Good hours for
TonightDown to 50°10° by 4 AM · Partly cloudy
Tomorrow morningUp to 68°20° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 77°25° by 3 PM · Mostly cloudy
Tomorrow nightDown to 51°11° by 5 AM · Mostly cloudy
Monday morningUp to 69°21° by 11 AM · Cloudy
Monday afternoonUp to 78°26° by 3 PM · Mostly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 5p | Sunny | 72°22° (likely 69°21° to 75°24°) | 72°22° | 0% | 5 mph8 km/h from SSE, gusts 9 mph15 km/h | 37% | 2% | 1 |
| Sat 6p | Clear | 68°20° (likely 65°18° to 70°21°) | 68°20° | 0% | 5 mph8 km/h from SE, gusts 9 mph15 km/h | 43% | 1% | 0 |
| Sat 7p | Clear | 63°17° (likely 62°17° to 65°18°) | 63°17° | 0% | 3 mph5 km/h from SE, gusts 10 mph15 km/h | 52% | 1% | 0 |
| Sat 8p | Clear | 60°16° (likely 60°16° to 63°17°) | 60°16° | 0% | 3 mph5 km/h from SE, gusts 10 mph17 km/h | 63% | 1% | 0 |
| Sat 9p | Clear | 58°14° (likely 58°14° to 61°16°) | 58°14° | 0% | 3 mph5 km/h from SSE, gusts 11 mph18 km/h | 67% | 5% | 0 |
| Sat 10p | Mostly clear | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 3 mph5 km/h from SSE, gusts 11 mph17 km/h | 69% | 36% | 0 |
| Sat 11p | Mostly clear | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 3 mph5 km/h from SSE, gusts 11 mph17 km/h | 71% | 21% | 0 |
| Sun 12a | Partly cloudy | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 3 mph5 km/h from SSE, gusts 10 mph17 km/h | 71% | 26% | 0 |
| Sun 1a | Partly cloudy | 53°12° (likely 53°12° to 56°13°) | 53°12° | 0% | 3 mph5 km/h from SSE, gusts 11 mph17 km/h | 72% | 54% | 0 |
| Sun 2a | Clear | 52°11° (likely 52°11° to 55°13°) | 52°11° | 0% | 3 mph5 km/h from SSE, gusts 12 mph19 km/h | 74% | 13% | 0 |
| Sun 3a | Partly cloudy | 51°11° (likely 51°11° to 54°12°) | 51°11° | 0% | 3 mph5 km/h from SSE, gusts 11 mph18 km/h | 76% | 55% | 0 |
| Sun 4a | Mostly clear | 50°10° (likely 50°10° to 53°12°) | 49°9° | 0% | 3 mph5 km/h from SSE, gusts 11 mph18 km/h | 78% | 62% | 0 |
| Sun 5a | Mostly clear | 50°10° (likely 50°10° to 53°12°) | 49°9° | 0% | 3 mph5 km/h from SSE, gusts 11 mph17 km/h | 77% | 53% | 0 |
| Sun 6a | Partly cloudy | 49°9° (likely 49°9° to 52°11°) | 48°9° | 0% | 3 mph5 km/h from SSE, gusts 10 mph16 km/h | 80% | 79% | 0 |
| Sun 7a | Cloudy | 49°9° (likely 49°9° to 52°11°) | 49°9° | 0% | 2 mph3 km/h from SSE, gusts 10 mph16 km/h | 80% | 87% | 0 |
| Sun 8a | Cloudy | 50°10° (likely 50°10° to 53°12°) | 49°9° | 0% | 3 mph5 km/h from SSE, gusts 10 mph16 km/h | 81% | 89% | 0 |
| Sun 9a | Cloudy | 57°14° (likely 56°13° to 59°15°) | 57°14° | 0% | 3 mph5 km/h from S, gusts 9 mph14 km/h | 70% | 79% | 1 |
| Sun 10a | Mostly sunny | 63°17° (likely 61°16° to 65°18°) | 63°17° | 0% | 3 mph5 km/h from S, gusts 10 mph16 km/h | 59% | 48% | 2 |
| Sun 11a | Sunny | 68°20° (likely 65°18° to 71°22°) | 68°20° | 0% | 3 mph5 km/h from S, gusts 9 mph15 km/h | 50% | 41% | 3 |
| Sun 12p | Partly sunny | 72°22° (likely 69°21° to 75°24°) | 72°22° | 0% | 3 mph5 km/h from S, gusts 7 mph12 km/h | 44% | 46% | 4 |
| Sun 1p | Cloudy | 75°24° (likely 72°22° to 77°25°) | 75°24° | 0% | 3 mph5 km/h from S, gusts 7 mph11 km/h | 39% | 80% | 4 |
| Sun 2p | Cloudy | 76°24° (likely 74°23° to 79°26°) | 76°24° | 0% | 3 mph5 km/h from S, gusts 6 mph10 km/h | 38% | 82% | 4 |
| Sun 3p | Cloudy | 77°25° (likely 74°23° to 80°27°) | 77°25° | 0% | 2 mph3 km/h from S, gusts 6 mph10 km/h | 36% | 82% | 3 |
| Sun 4p | Cloudy | 77°25° (likely 74°23° to 79°26°) | 77°25° | 0% | 2 mph3 km/h from SSE, gusts 7 mph11 km/h | 35% | 81% | 2 |
| Sun 5p | Cloudy | 75°24° (likely 72°22° to 78°26°) | 75°24° | 0% | 2 mph3 km/h from SSE, gusts 6 mph10 km/h | 40% | 80% | 1 |
| Sun 6p | Cloudy | 71°22° (likely 67°19° to 73°23°) | 71°22° | 0% | 1 mph2 km/h from SSE, gusts 6 mph9 km/h | 45% | 80% | 0 |
| Sun 7p | Cloudy | 66°19° (likely 64°18° to 68°20°) | 66°19° | 0% | 1 mph2 km/h from SSE, gusts 7 mph11 km/h | 55% | 79% | 0 |
| Sun 8p | Cloudy | 62°17° (likely 62°17° to 66°19°) | 62°17° | 0% | 1 mph2 km/h from SSE, gusts 7 mph12 km/h | 64% | 80% | 0 |
| Sun 9p | Cloudy | 59°15° (likely 59°15° to 64°18°) | 59°15° | 0% | 1 mph2 km/h from SSE, gusts 8 mph13 km/h | 70% | 80% | 0 |
| Sun 10p | Cloudy | 57°14° (likely 57°14° to 63°17°) | 57°14° | 0% | 1 mph2 km/h from SSE, gusts 8 mph14 km/h | 74% | 82% | 0 |
| Sun 11p | Cloudy | 56°13° (likely 56°13° to 62°17°) | 56°13° | 0% | 1 mph2 km/h from SSE, gusts 9 mph15 km/h | 75% | 82% | 0 |
| Mon 12a | Cloudy | 55°13° (likely 55°13° to 61°16°) | 55°13° | 0% | 1 mph2 km/h from SSE, gusts 10 mph15 km/h | 77% | 81% | 0 |
| Mon 1a | Cloudy | 54°12° (likely 54°12° to 60°16°) | 54°12° | 0% | 1 mph2 km/h from SSE, gusts 9 mph15 km/h | 77% | 82% | 0 |
| Mon 2a | Cloudy | 53°12° (likely 53°12° to 59°15°) | 53°12° | 0% | 1 mph2 km/h from SSE, gusts 9 mph15 km/h | 79% | 83% | 0 |
| Mon 3a | Cloudy | 53°12° (likely 53°12° to 58°14°) | 53°12° | 0% | 1 mph2 km/h from SSE, gusts 10 mph15 km/h | 79% | 92% | 0 |
| Mon 4a | Cloudy | 52°11° (likely 52°11° to 57°14°) | 52°11° | 0% | 1 mph2 km/h from S, gusts 9 mph15 km/h | 81% | 92% | 0 |
| Mon 5a | Cloudy | 51°11° (likely 51°11° to 57°14°) | 51°11° | 0% | 1 mph2 km/h from SSE, gusts 9 mph14 km/h | 84% | 92% | 0 |
| Mon 6a | Cloudy | 51°11° (likely 51°11° to 56°13°) | 51°11° | 0% | 1 mph2 km/h from SSE, gusts 9 mph14 km/h | 84% | 92% | 0 |
| Mon 7a | Cloudy | 50°10° (likely 50°10° to 55°13°) | 50°10° | 0% | 0 mph0 km/h, gusts 8 mph13 km/h | 87% | 91% | 0 |
| Mon 8a | Cloudy | 51°11° (likely 51°11° to 56°13°) | 51°11° | 0% | 0 mph0 km/h, gusts 8 mph13 km/h | 88% | 90% | 0 |
| Mon 9a | Cloudy | 57°14° (likely 57°14° to 61°16°) | 57°14° | 0% | 0 mph0 km/h, gusts 8 mph12 km/h | 77% | 81% | 1 |
| Mon 10a | Cloudy | 64°18° (likely 63°17° to 68°20°) | 64°18° | 0% | 1 mph2 km/h from SSW, gusts 10 mph16 km/h | 63% | 80% | 2 |
| Mon 11a | Cloudy | 69°21° (likely 67°19° to 72°22°) | 69°21° | 0% | 1 mph2 km/h from SSW, gusts 9 mph14 km/h | 53% | 83% | 2 |
| Mon 12p | Cloudy | 73°23° (likely 70°21° to 75°24°) | 73°23° | 0% | 2 mph3 km/h from SSW, gusts 7 mph11 km/h | 47% | 88% | 4 |
| Mon 1p | Cloudy | 75°24° (likely 72°22° to 76°24°) | 75°24° | 0% | 2 mph3 km/h from SSW, gusts 7 mph11 km/h | 42% | 86% | 4 |
| Mon 2p | Partly sunny | 77°25° (likely 72°22° to 77°25°) | 77°25° | 0% | 2 mph3 km/h from SSW, gusts 7 mph11 km/h | 38% | 74% | 3 |
| Mon 3p | Partly sunny | 78°26° (likely 73°23° to 78°26°) | 78°26° | 0% | 2 mph3 km/h from S, gusts 7 mph11 km/h | 36% | 57% | 3 |
| Mon 4p | Partly sunny | 77°25° (likely 73°23° to 77°25°) | 77°25° | 0% | 2 mph3 km/h from S, gusts 7 mph11 km/h | 37% | 37% | 2 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Cloudy. High 74°23°, low 49°9°. Typical 64°18° / 40°4°. Dry. Mostly agree.
Evening
6 PM–midnight
Clear, 60°16°Dry
Overnight
midnight–6 AM
Partly cloudy, 50°10°Dry
Official NWS forecast
Today: Mostly sunny, with a high near 74. South southeast wind around 5 mph.
Tonight: Mostly clear, with a low around 49. South southeast wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–76°24°
- Low, likely
- 47°8°–49°9°
- Typical high / low
- 64°18° / 40°4°
- Wind
- 9 mph14 km/h, gusts 18 mph29 km/h
- UV peak
- 4
Tomorrow, Oct 25. Cloudy. High 77°25°, low 50°10°. Typical 63°17° / 39°4°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 50°10°Dry
Afternoon
noon–6 PM
Cloudy, 77°25°Dry
Evening
6 PM–midnight
Cloudy, 62°17°Dry
Overnight
midnight–6 AM
Cloudy, 51°11°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 77. South wind around 3 mph.
Night: Mostly cloudy, with a low around 50. South southeast wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–80°27°
- Low, likely
- 49°9°–52°11°
- Typical high / low
- 63°17° / 39°4°
- Wind
- 8 mph13 km/h, gusts 17 mph27 km/h
- UV peak
- 4
Monday, Oct 26. Partly sunny. High 78°26°, low 50°10°. Typical 63°17° / 39°4°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 51°11°Dry
Afternoon
noon–6 PM
Partly sunny, 78°26°Dry
Evening
6 PM–midnight
Cloudy, 63°17°Dry
Overnight
midnight–6 AM
Cloudy, 55°13°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 78. South wind around 2 mph.
Night: Partly cloudy, with a low around 50. South southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–78°26°
- Low, likely
- 50°10°–55°13°
- Typical high / low
- 63°17° / 39°4°
- Wind
- 8 mph13 km/h, gusts 15 mph24 km/h
- UV peak
- 4
Tuesday, Oct 27. Cloudy. High 76°24°, low 52°11°. Typical 62°17° / 38°3°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 55°13°Dry
Afternoon
noon–6 PM
Cloudy, 72°22°Dry
Evening
6 PM–midnight
Cloudy, 64°18°Dry
Overnight
midnight–6 AM
Cloudy, 57°14°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 76. South wind 2 to 7 mph.
Night: Mostly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 70°21°–76°24°
- Low, likely
- 52°11°–56°13°
- Typical high / low
- 62°17° / 38°3°
- Wind
- 11 mph18 km/h, gusts 21 mph34 km/h
- UV peak
- 4
Wednesday, Oct 28. Partly sunny. High 80°27°, low 54°12°. Typical 62°17° / 38°3°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 57°14°Dry
Afternoon
noon–6 PM
Sunny, 76°24°Dry
Evening
6 PM–midnight
Clear, 67°19°Dry
Overnight
midnight–6 AM
Clear, 59°15°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 80.
Night: Mostly clear, with a low around 54.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–80°27°
- Low, likely
- 54°12°–57°14°
- Typical high / low
- 62°17° / 38°3°
- Wind
- 12 mph20 km/h, gusts 25 mph40 km/h
- UV peak
- 4
Thursday, Oct 29. Mostly sunny. High 81°27°, low 55°13°. Typical 61°16° / 38°3°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 60°16°Dry
Afternoon
noon–6 PM
Cloudy, 79°26°Dry
Evening
6 PM–midnight
Partly cloudy, 68°20°Dry
Overnight
midnight–6 AM
Partly cloudy, 60°15°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 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 77°25°–81°27°
- Low, likely
- 55°13°–59°15°
- Typical high / low
- 61°16° / 38°3°
- Wind
- 13 mph21 km/h, gusts 30 mph49 km/h
- UV peak
- 3
Friday, Oct 30. Cloudy. High 81°27°, low 57°14°. Typical 61°16° / 38°3°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 61°16°Dry
Afternoon
noon–6 PM
Cloudy, 78°26°Dry
Evening
6 PM–midnight
Cloudy, 69°20°Dry
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 81.
Night: Mostly cloudy, with a low around 57.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 75°24°–81°27°
- Low, likely
- 57°14°–61°16°
- Typical high / low
- 61°16° / 38°3°
- Wind
- 14 mph23 km/h, gusts 24 mph39 km/h
- UV peak
- 3
Saturday, Oct 31. Drizzle. High 70°21°, low 60°16°. Typical 60°16° / 37°3°. Rain 0.12 in3 mm, 50% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 61°16°30% chance
Afternoon
noon–6 PM
Drizzle, 72°22°40% chance
Evening
6 PM–midnight
Drizzle, 63°17°50% chance · 0.08 in1.9 mm
Overnight
midnight–6 AM
Drizzle, 62°17°50% chance · 0.13 in3.2 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 66°19°–74°23°
- Low, likely
- 58°14°–62°17°
- Typical high / low
- 60°16° / 37°3°
- Wind
- 22 mph35 km/h
- UV peak
- 1
Sunday, Nov 1. Drizzle. High 71°22°, low 58°14°. Typical 60°16° / 37°3°. Rain 0.8 in20 mm, 50% chance. Forecasts agree.
Morning
6 AM–noon
Drizzle, 64°18°50% chance · 0.03 in0.7 mm
Afternoon
noon–6 PM
Drizzle, 71°22°30% chance · 0.14 in3.6 mm
Evening
6 PM–midnight
Drizzle, 63°17°40% chance · 0.61 in16 mm
Overnight
midnight–6 AM
Drizzle, 51°10°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.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 70°21°–72°22°
- Low, likely
- 53°12°–62°17°
- Typical high / low
- 60°16° / 37°3°
- Wind
- 20 mph33 km/h, gusts 41 mph66 km/h
- UV peak
- 2
Monday, Nov 2. Drizzle. High 63°17°, low 51°11°. Typical 59°15° / 36°2°. Rain 0.43 in11 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 52°11°40% chance · 0.06 in1.5 mm
Afternoon
noon–6 PM
Drizzle, 56°14°40% chance · 0.2 in5 mm
Evening
6 PM–midnight
Drizzle, 52°11°40% chance · 0.04 in1 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
- 51°11°–77°25°
- Low, likely
- 38°3°–65°18°
- Typical high / low
- 59°15° / 36°2°
- Wind
- 24 mph38 km/h, gusts 43 mph70 km/h
The outlook
Today
Dry, high 74°, low 49°.
Tomorrow
Dry, high 77°, low 50°, warming up.
Monday
Dry, high 78°, low 50°.
Rest of week
Highs 63–81°; chance of precipitation on Saturday, 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
Below flood stage
Illinois River at Valley City
22 mi- Level
- 3.4 ft
- Flow
- 10,800 cfs
Forecast peak 3.3 ft Sat 7 PM
Reading from Sat 5 PM · NWS gauge page
Illinois River at LaGrange Lock and Dam
23 mi- Level
- 9.3 ft
- Flow
- 13,200 cfs
Forecast peak 9.2 ft Sat 7 PM
Reading from Sat 4 PM · NWS gauge page
Illinois River at Beardstown
25 mi- Level
- 9.6 ft
- Flow
- 6,500 cfs
Forecast peak 9.7 ft Sat 7 PM
Reading from Sat 4:45 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 87% less heating than a typical week.
This week 13Typical 102
Heating degree days, base 65°F
Comfort
Dry air outside (dew point 46°F).
Open the windows?
Today, 6:00 PM–8:00 PM
Good stretch to open the windows (air quality forecast not available for part of this window).
Is this typical?
JACKSONVILLE 2E · official normals 1991–2020 · records 1895–2026
Oct 24, today vs a typical year
Today’s expected high is 10°6° warmer than typical.
- Normal high / low
- 64°18° / 40°4°
- Forecast high / low
- 74°23° / 49°9°
- Record high
- 84°29° in 1940
- Record low
- 21°−6° in 1895
Last 7 days vs normal
On average 2°1° warmer than normal (daily mean temperature).
- −6°−4°SunOct 18
- −1°MonOct 19
- +2°+1°TueOct 20
- +5°+3°WedOct 21
- +6°+3°ThuOct 22
- +8°+4°FriOct 23
- —SatOct 24
South Jacksonville weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:20 AM, sunset 6:08 PM.
- Daylight
- 10 h 48 min
- Losing 2 min 25 s a day; shortest Dec 21, 1 h 27 min less
- Golden hour
- 5:31–6:25 PM
- Morning 7:03–7:58 AM
- Blue hour
- 6:25–6:36 PM
- Morning 6:53–7:03 AM; first light 6:53 AM
Stars tonight? Fair
Mostly clear 6:36–10 PM, but the moon is 99% lit and up.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 5:35 AM · rises 5:06 PM
- Full moon
- Oct 25
- New moon
- Nov 9
