Mississippi River at Herculaneum
11 mi- Level
- 6.0 ft
Reading from Sat 8:30 AM · NWS gauge page
Observed 9:25 AM CDT at KCPS
Fults, IL weather
Sunny and 57°14°.
Today: low 47°8° (likely 45°7° to 48°9°), high 77°25° (likely 73°23° to 77°25°).
Now 57°14°
Sunny
- Wind
- 3 mph5 km/h
- From the southeast. Light through 9 PM
- Dew point
- 48°9°
- Comfortable
- UV index
- 2Low
- Moderate 11 AM–4 PM · peak 4
- Air quality
- 29Good
- Main pollutant: Ozone
- 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.
From forecast models
Next 48 hours
Good hours for
This morningUp to 65°18° by 11 AM · Partly cloudy
This afternoonUp to 77°25° by 4 PM · Mostly cloudy
TonightDown to 49°9° by 4 AM · Partly cloudy
Tomorrow morningUp to 69°21° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 80°27° by 4 PM · Cloudy
Tomorrow nightDown to 50°10° by 5 AM · Cloudy
Monday morningUp to 54°12° by 8 AM · Cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 9a | Sunny | 52°11° (likely 51°11° to 55°13°) | 52°11° | 0% | 2 mph3 km/h from SE, gusts 4 mph7 km/h | 86% | 35% | 1 |
| Sat 10a | Partly sunny | 59°15° (likely 58°14° to 61°16°) | 59°15° | 0% | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 75% | 57% | 2 |
| Sat 11a | Cloudy | 65°18° (likely 64°18° to 66°19°) | 65°18° | 0% | 2 mph3 km/h from SE, gusts 7 mph11 km/h | 60% | 74% | 3 |
| Sat 12p | Cloudy | 70°21° (likely 68°20° to 71°22°) | 70°21° | 0% | 3 mph5 km/h from SE, gusts 7 mph11 km/h | 49% | 71% | 4 |
| Sat 1p | Partly sunny | 73°23° (likely 71°22° to 74°23°) | 73°23° | 0% | 3 mph5 km/h from SE, gusts 6 mph10 km/h | 43% | 77% | 4 |
| Sat 2p | Partly sunny | 75°24° (likely 72°22° to 76°24°) | 75°24° | 0% | 3 mph5 km/h from SE, gusts 7 mph11 km/h | 38% | 74% | 4 |
| Sat 3p | Partly sunny | 76°24° (likely 73°23° to 77°25°) | 76°24° | 0% | 3 mph5 km/h from E, gusts 7 mph12 km/h | 37% | 60% | 3 |
| Sat 4p | Cloudy | 77°25° (likely 72°22° to 77°25°) | 77°25° | 0% | 3 mph5 km/h from E, gusts 8 mph13 km/h | 36% | 71% | 2 |
| Sat 5p | Mostly sunny | 75°24° (likely 70°21° to 75°24°) | 75°24° | 0% | 3 mph5 km/h from E, gusts 8 mph13 km/h | 38% | 47% | 1 |
| Sat 6p | Mostly clear | 72°22° (likely 65°18° to 72°22°) | 72°22° | 0% | 3 mph5 km/h from E, gusts 7 mph12 km/h | 43% | 48% | 0 |
| Sat 7p | Clear | 67°19° (likely 62°17° to 67°19°) | 67°19° | 0% | 2 mph3 km/h from E, gusts 7 mph11 km/h | 50% | 41% | 0 |
| Sat 8p | Clear | 60°16° (likely 60°16° to 64°18°) | 60°16° | 0% | 2 mph3 km/h from E, gusts 7 mph11 km/h | 62% | 41% | 0 |
| Sat 9p | Partly cloudy | 58°14° (likely 58°14° to 61°16°) | 58°14° | 0% | 2 mph3 km/h from E, gusts 6 mph10 km/h | 64% | 45% | 0 |
| Sat 10p | Clear | 56°13° (likely 56°13° to 60°16°) | 56°13° | 0% | 1 mph2 km/h from SE, gusts 6 mph10 km/h | 69% | 16% | 0 |
| Sat 11p | Mostly clear | 54°12° (likely 54°12° to 58°14°) | 54°12° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 74% | 39% | 0 |
| Sun 12a | Partly cloudy | 53°12° (likely 53°12° to 58°14°) | 53°12° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 74% | 53% | 0 |
| Sun 1a | Partly cloudy | 52°11° (likely 52°11° to 57°14°) | 52°11° | 0% | 1 mph2 km/h from SE, gusts 5 mph9 km/h | 77% | 48% | 0 |
| Sun 2a | Clear | 51°11° (likely 50°10° to 56°13°) | 51°11° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 80% | 43% | 0 |
| Sun 3a | Mostly clear | 50°10° (likely 49°9° to 56°13°) | 50°10° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 83% | 39% | 0 |
| Sun 4a | Mostly clear | 49°9° (likely 48°9° to 55°13°) | 49°9° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 86% | 47% | 0 |
| Sun 5a | Mostly clear | 49°9° (likely 47°8° to 54°12°) | 49°9° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 86% | 42% | 0 |
| Sun 6a | Mostly clear | 48°9° (likely 46°8° to 53°12°) | 48°9° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 89% | 56% | 0 |
| Sun 7a | Cloudy | 47°8° (likely 46°8° to 53°12°) | 47°8° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 89% | 73% | 0 |
| Sun 8a | Partly sunny | 49°9° (likely 47°8° to 53°12°) | 49°9° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 89% | 77% | 0 |
| Sun 9a | Partly sunny | 53°12° (likely 52°11° to 58°14°) | 53°12° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 89% | 74% | 1 |
| Sun 10a | Cloudy | 63°17° (likely 61°16° to 65°18°) | 63°17° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 70% | 62% | 2 |
| Sun 11a | Partly sunny | 69°21° (likely 67°19° to 71°22°) | 69°21° | 0% | 1 mph2 km/h from S, gusts 7 mph12 km/h | 59% | 72% | 3 |
| Sun 12p | Cloudy | 74°23° (likely 71°22° to 76°24°) | 74°23° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 48% | 87% | 4 |
| Sun 1p | Cloudy | 77°25° (likely 74°23° to 79°26°) | 77°25° | 0% | 1 mph2 km/h from S, gusts 4 mph7 km/h | 42% | 87% | 4 |
| Sun 2p | Cloudy | 78°26° (likely 75°24° to 80°27°) | 78°26° | 0% | 1 mph2 km/h from SE, gusts 4 mph6 km/h | 40% | 83% | 4 |
| Sun 3p | Cloudy | 79°26° (likely 76°24° to 80°27°) | 79°26° | 0% | 2 mph3 km/h from SE, gusts 4 mph7 km/h | 38% | 87% | 3 |
| Sun 4p | Cloudy | 80°27° (likely 75°24° to 80°27°) | 80°27° | 0% | 2 mph3 km/h from SE, gusts 5 mph8 km/h | 36% | 88% | 2 |
| Sun 5p | Cloudy | 78°26° (likely 72°22° to 79°26°) | 78°26° | 0% | 2 mph3 km/h from SE, gusts 6 mph9 km/h | 40% | 88% | 1 |
| Sun 6p | Cloudy | 75°24° (likely 68°20° to 75°24°) | 75°24° | 0% | 2 mph3 km/h from E, gusts 7 mph11 km/h | 45% | 88% | 0 |
| Sun 7p | Cloudy | 70°21° (likely 64°18° to 70°21°) | 70°21° | 0% | 2 mph3 km/h from SE, gusts 6 mph9 km/h | 53% | 89% | 0 |
| Sun 8p | Cloudy | 63°17° (likely 62°17° to 65°18°) | 63°17° | 0% | 1 mph2 km/h from SE, gusts 7 mph12 km/h | 62% | 89% | 0 |
| Sun 9p | Cloudy | 59°15° (likely 59°15° to 64°18°) | 59°15° | 0% | 1 mph2 km/h from SE, gusts 6 mph10 km/h | 72% | 83% | 0 |
| Sun 10p | Cloudy | 58°14° (likely 58°14° to 63°17°) | 58°14° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 75% | 86% | 0 |
| Sun 11p | Cloudy | 56°13° (likely 56°13° to 62°17°) | 56°13° | 0% | 1 mph2 km/h from S, gusts 4 mph7 km/h | 80% | 89% | 0 |
| Mon 12a | Cloudy | 55°13° (likely 55°13° to 61°16°) | 55°13° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 80% | 89% | 0 |
| Mon 1a | Cloudy | 54°12° (likely 54°12° to 60°16°) | 54°12° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 83% | 91% | 0 |
| Mon 2a | Cloudy | 53°12° (likely 53°12° to 59°15°) | 53°12° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 83% | 92% | 0 |
| Mon 3a | Cloudy | 52°11° (likely 52°11° to 58°14°) | 52°11° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 86% | 93% | 0 |
| Mon 4a | Cloudy | 52°11° (likely 52°11° to 57°14°) | 52°11° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 83% | 95% | 0 |
| Mon 5a | Cloudy | 50°10° (likely 50°10° to 57°14°) | 50°10° | 0% | 0 mph0 km/h, gusts 3 mph6 km/h | 86% | 94% | 0 |
| Mon 6a | Cloudy | 50°10° (likely 50°10° to 57°14°) | 50°10° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 86% | 89% | 0 |
| Mon 7a | Cloudy | 50°10° (likely 50°10° to 56°13°) | 50°10° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 86% | 95% | 0 |
| Mon 8a | Cloudy | 54°12° (likely 50°10° to 58°14°) | 54°12° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 80% | 98% | 0 |
Days ahead
Tap a day for its hours and the official wording.
Today, Oct 24. Fog. High 77°25°, low 47°8°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 65°18°Dry
Afternoon
noon–6 PM
Partly sunny, 77°25°Dry
Evening
6 PM–midnight
Partly cloudy, 60°16°Dry
Overnight
midnight–6 AM
Mostly clear, 49°9°Dry
Official NWS forecast
Today: Patchy fog before 10am. Sunny, with a high near 77. Southeast wind around 3 mph.
Tonight: Mostly clear, with a low around 47. Southeast wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 73°23°–77°25°
- Low, likely
- 45°7°–48°9°
- Wind
- 7 mph11 km/h
- UV peak
- 4
Tomorrow, Oct 25. Cloudy. High 80°27°, low 50°10°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 49°9°Dry
Afternoon
noon–6 PM
Cloudy, 80°27°Dry
Evening
6 PM–midnight
Cloudy, 63°17°Dry
Overnight
midnight–6 AM
Cloudy, 50°10°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 80. Southeast wind around 2 mph.
Night: Mostly cloudy, with a low around 50. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 76°24°–80°27°
- Low, likely
- 46°8°–53°12°
- Wind
- 7 mph11 km/h
- UV peak
- 4
Monday, Oct 26. Cloudy. High 79°26°, low 50°10°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 54°12°Dry
Afternoon
noon–6 PM
Cloudy, 77°25°Dry
Evening
6 PM–midnight
Cloudy, 63°17°Dry
Overnight
midnight–6 AM
Cloudy, 52°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny. High near 79, with temperatures falling to around 75 in the afternoon. South wind around 2 mph.
Night: Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–79°26°
- Low, likely
- 50°10°–56°13°
- Wind
- 6 mph10 km/h
- UV peak
- 4
Tuesday, Oct 27. Mostly cloudy. High 76°24°, low 50°10°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 53°12°Dry
Afternoon
noon–6 PM
Cloudy, 74°23°Dry
Evening
6 PM–midnight
Cloudy, 62°17°Dry
Overnight
midnight–6 AM
Partly cloudy, 52°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 76.
Night: Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–76°24°
- Low, likely
- 48°9°–55°13°
- Wind
- 7 mph12 km/h, gusts 16 mph26 km/h
- UV peak
- 3
Wednesday, Oct 28. Partly sunny. High 80°27°, low 52°11°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 55°13°Dry
Afternoon
noon–6 PM
Sunny, 78°26°Dry
Evening
6 PM–midnight
Clear, 64°18°Dry
Overnight
midnight–6 AM
Mostly clear, 57°14°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 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 75°24°–80°27°
- Low, likely
- 48°9°–55°13°
- Wind
- 8 mph13 km/h, gusts 20 mph32 km/h
- UV peak
- 4
Thursday, Oct 29. Cloudy. High 79°26°, low 51°11°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 58°15°Dry
Afternoon
noon–6 PM
Sunny, 80°27°Dry
Evening
6 PM–midnight
Clear, 65°19°Dry
Overnight
midnight–6 AM
Partly cloudy, 54°12°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 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 78°26°–81°27°
- Low, likely
- 51°11°–58°14°
- Wind
- 8 mph12 km/h, gusts 28 mph45 km/h
- UV peak
- 4
Friday, Oct 30. Partly sunny. High 78°26°, low 52°11°. Dry. Forecasts differ.
Morning
6 AM–noon
Partly sunny, 57°14°Dry
Afternoon
noon–6 PM
Cloudy, 80°26°Dry
Evening
6 PM–midnight
Cloudy, 66°19°Dry
Overnight
midnight–6 AM
Cloudy, 57°14°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 78.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 75°24°–82°28°
- Low, likely
- 50°10°–58°14°
- Wind
- 8 mph13 km/h, gusts 18 mph28 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 75°24°, low 61°16°. Rain 0.12 in3 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 63°17°20% chance
Afternoon
noon–6 PM
Cloudy, 76°24°30% chance
Evening
6 PM–midnight
Cloudy, 68°20°30% chance · 0.02 in0.4 mm
Overnight
midnight–6 AM
Drizzle, 67°20°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 differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 70°21°–81°27°
- Low, likely
- 57°14°–63°17°
- Wind
- 10 mph16 km/h, gusts 21 mph33 km/h
- UV peak
- 2
Sunday, Nov 1. Showers. High 71°22°, low 62°17°. Rain 0.58 in15 mm, 40% chance. Mostly agree.
Morning
6 AM–noon
Drizzle, 67°19°40% chance · 0.16 in4.1 mm
Afternoon
noon–6 PM
Showers, 68°20°40% chance · 0.21 in5.4 mm
Evening
6 PM–midnight
Drizzle, 67°19°40% chance · 0.07 in1.8 mm
Overnight
midnight–6 AM
Clear, 59°15°40% chance · 0.18 in4.5 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 69°21°–75°24°
- Low, likely
- 59°15°–65°18°
- Wind
- 16 mph26 km/h, gusts 37 mph60 km/h
Monday, Nov 2. Rain. High 67°19°, low 57°14°. Rain 0.31 in7.9 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 61°16°40% chance · 0.13 in3.3 mm
Afternoon
noon–6 PM
Drizzle, 63°17°40% chance · 0.17 in4.3 mm
Evening
6 PM–midnight
Rain, 66°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
- 59°15°–77°25°
- Low, likely
- 49°9°–67°19°
- Wind
- 18 mph29 km/h, gusts 39 mph63 km/h
- UV peak
- 2
The outlook
Today
Dry, high 77°, low 47°.
Tomorrow
Dry, high 80°, low 50°, warming up.
Monday
Dry, high 79°, low 50°.
Rest of week
Highs 67–80°; chance of precipitation on Sunday, Monday.
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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Joachim Creek at DeSoto
19 mi- Level
- 1.6 ft
- Flow
- 5 cfs
Reading from Sat 9:10 AM · NWS gauge page
Kaskaskia River at New Athens
21 mi- Level
- 68.6 ft
- Flow
- 681 cfs
Reading from Sat 8 AM · NWS gauge page
Meramec River at Arnold
22 mi- Level
- 5.8 ft
- Flow
- 7,210 cfs
Reading from Sat 9 AM · NWS gauge page
Sun & moon
Sun
Sunrise 7:18 AM, sunset 6:10 PM.
- Daylight
- 10 h 52 min
- Losing 2 min 16 s a day; shortest Dec 21, 1 h 22 min less
- Golden hour
- 5:34–6:27 PM
- Morning 7:02–7:55 AM
- Blue hour
- 6:27–6:37 PM
- Morning 6:51–7:02 AM; first light 6:51 AM
Stars tonight? Poor
Clouds most of the night (about 43% cover).
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:34 AM · rises 5:08 PM
- Full moon
- Oct 25
- New moon
- Nov 9
