Mississippi River at Mel Price (Alton) Lock and Dam
10 mi- Level
- 7.4 ft
- Flow
- 118,000 cfs
Forecast peak 7.5 ft Sat 1 PM
Reading from Sat 11:30 AM · NWS gauge page
Observed 11:50 AM CDT at KALN
Edwardsville, IL weather
Sunny and 70°21°, 12°7° warmer than a typical Oct 24.
Today: low 49°9° (likely 45°7° to 49°9°), high 76°24° (likely 72°22° to 76°24°).
Now 70°21°
Sunny
- Wind
- 3 mph5 km/h
- Up to 6 mph10 km/h through 12 AM
- Dew point
- 48°9°
- Comfortable
- UV index
- 4Moderate
- Moderate until 4 PM
- Air quality
- 62Moderate
- Main pollutant: PM2.5 (fine particles)
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
This afternoonUp to 75°24° by 3 PM · Partly cloudy
TonightDown to 50°10° by 5 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 54°12° by 4 AM · Mostly cloudy
Monday morningUp to 68°20° by 11 AM · Mostly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 12p | Partly sunny | 70°21° (likely 67°19° to 70°21°) | 70°21° | 0% | 5 mph8 km/h from SE, gusts 9 mph14 km/h | 46% | 51% | 4 |
| Sat 1p | Cloudy | 73°23° (likely 69°21° to 73°23°) | 73°23° | 0% | 6 mph10 km/h from SE, gusts 7 mph12 km/h | 40% | 71% | 4 |
| Sat 2p | Cloudy | 74°23° (likely 71°22° to 74°23°) | 74°23° | 0% | 6 mph10 km/h from SE, gusts 7 mph12 km/h | 37% | 75% | 4 |
| Sat 3p | Mostly cloudy | 75°24° (likely 72°22° to 75°24°) | 75°24° | 0% | 6 mph10 km/h from SE, gusts 7 mph12 km/h | 36% | 53% | 3 |
| Sat 4p | Cloudy | 75°24° (likely 72°22° to 75°24°) | 75°24° | 0% | 6 mph10 km/h from SE, gusts 8 mph13 km/h | 36% | 63% | 2 |
| Sat 5p | Sunny | 74°23° (likely 69°21° to 74°23°) | 74°23° | 0% | 5 mph8 km/h from SE, gusts 9 mph14 km/h | 37% | 22% | 1 |
| Sat 6p | Clear | 70°21° (likely 64°18° to 70°21°) | 70°21° | 0% | 5 mph8 km/h from SE, gusts 8 mph12 km/h | 44% | 9% | 0 |
| Sat 7p | Mostly clear | 63°17° (likely 61°16° to 65°18°) | 63°17° | 0% | 5 mph8 km/h from E, gusts 8 mph13 km/h | 56% | 26% | 0 |
| Sat 8p | Partly cloudy | 60°16° (likely 59°15° to 63°17°) | 60°16° | 0% | 3 mph5 km/h from SE, gusts 8 mph13 km/h | 64% | 47% | 0 |
| Sat 9p | Clear | 58°14° (likely 57°14° to 62°17°) | 58°14° | 0% | 3 mph5 km/h from SE, gusts 9 mph14 km/h | 69% | 40% | 0 |
| Sat 10p | Clear | 57°14° (likely 55°13° to 61°16°) | 57°14° | 0% | 3 mph5 km/h from SE, gusts 11 mph18 km/h | 69% | 19% | 0 |
| Sat 11p | Clear | 56°13° (likely 54°12° to 60°16°) | 56°13° | 0% | 2 mph3 km/h from SE, gusts 11 mph17 km/h | 69% | 1% | 0 |
| Sun 12a | Clear | 55°13° (likely 53°12° to 59°15°) | 55°13° | 0% | 2 mph3 km/h from SE, gusts 10 mph16 km/h | 72% | 9% | 0 |
| Sun 1a | Clear | 54°12° (likely 52°11° to 58°14°) | 54°12° | 0% | 2 mph3 km/h from SE, gusts 10 mph16 km/h | 74% | 42% | 0 |
| Sun 2a | Mostly clear | 52°11° (likely 51°11° to 55°13°) | 52°11° | 0% | 2 mph3 km/h from SE, gusts 9 mph15 km/h | 80% | 42% | 0 |
| Sun 3a | Partly cloudy | 52°11° (likely 50°10° to 54°12°) | 52°11° | 0% | 2 mph3 km/h from SE, gusts 9 mph14 km/h | 80% | 39% | 0 |
| Sun 4a | Partly cloudy | 51°11° (likely 49°9° to 53°12°) | 51°11° | 0% | 2 mph3 km/h from SE, gusts 8 mph13 km/h | 83% | 59% | 0 |
| Sun 5a | Mostly clear | 50°10° (likely 48°9° to 53°12°) | 50°10° | 0% | 2 mph3 km/h from SE, gusts 7 mph12 km/h | 86% | 62% | 0 |
| Sun 6a | Partly cloudy | 50°10° (likely 47°8° to 52°11°) | 50°10° | 0% | 2 mph3 km/h from SE, gusts 7 mph11 km/h | 83% | 58% | 0 |
| Sun 7a | Partly sunny | 49°9° (likely 47°8° to 51°11°) | 49°9° | 0% | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 86% | 56% | 0 |
| Sun 8a | Partly sunny | 50°10° (likely 47°8° to 52°11°) | 50°10° | 0% | 2 mph3 km/h from SE, gusts 6 mph9 km/h | 86% | 64% | 0 |
| Sun 9a | Cloudy | 57°14° (likely 53°12° to 58°14°) | 57°14° | 0% | 2 mph3 km/h from SE, gusts 6 mph9 km/h | 75% | 57% | 1 |
| Sun 10a | Cloudy | 63°17° (likely 60°16° to 64°18°) | 63°17° | 0% | 3 mph5 km/h from S, gusts 7 mph11 km/h | 62% | 63% | 2 |
| Sun 11a | Cloudy | 68°20° (likely 64°18° to 70°21°) | 68°20° | 0% | 5 mph8 km/h from S, gusts 7 mph12 km/h | 55% | 80% | 3 |
| Sun 12p | Cloudy | 72°22° (likely 69°21° to 73°23°) | 72°22° | 0% | 3 mph5 km/h from S, gusts 6 mph10 km/h | 46% | 78% | 4 |
| Sun 1p | Cloudy | 75°24° (likely 72°22° to 76°24°) | 75°24° | 0% | 3 mph5 km/h from S, gusts 5 mph8 km/h | 40% | 80% | 4 |
| Sun 2p | Cloudy | 76°24° (likely 74°23° to 77°25°) | 76°24° | 0% | 3 mph5 km/h from S, gusts 5 mph8 km/h | 37% | 80% | 4 |
| Sun 3p | Cloudy | 77°25° (likely 74°23° to 78°26°) | 77°25° | 0% | 3 mph5 km/h from SE, gusts 5 mph8 km/h | 36% | 81% | 3 |
| Sun 4p | Cloudy | 77°25° (likely 74°23° to 78°26°) | 77°25° | 0% | 3 mph5 km/h from SE, gusts 5 mph7 km/h | 36% | 81% | 2 |
| Sun 5p | Cloudy | 76°24° (likely 71°22° to 77°25°) | 76°24° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 39% | 80% | 1 |
| Sun 6p | Cloudy | 72°22° (likely 66°19° to 72°22°) | 72°22° | 0% | 2 mph3 km/h from SE, gusts 6 mph9 km/h | 44% | 80% | 0 |
| Sun 7p | Cloudy | 66°19° (likely 63°17° to 68°20°) | 66°19° | 0% | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 56% | 80% | 0 |
| Sun 8p | Cloudy | 62°17° (likely 61°16° to 66°19°) | 62°17° | 0% | 3 mph5 km/h from SE, gusts 6 mph10 km/h | 65% | 81% | 0 |
| Sun 9p | Cloudy | 60°16° (likely 60°16° to 64°18°) | 60°16° | 0% | 2 mph3 km/h from SE, gusts 7 mph11 km/h | 69% | 81% | 0 |
| Sun 10p | Cloudy | 59°15° (likely 59°15° to 63°17°) | 59°15° | 0% | 2 mph3 km/h from SE, gusts 8 mph12 km/h | 69% | 81% | 0 |
| Sun 11p | Cloudy | 58°14° (likely 58°14° to 61°16°) | 58°14° | 0% | 2 mph3 km/h from SE, gusts 9 mph15 km/h | 72% | 81% | 0 |
| Mon 12a | Cloudy | 57°14° (likely 57°14° to 61°16°) | 57°14° | 0% | 2 mph3 km/h from S, gusts 9 mph15 km/h | 75% | 82% | 0 |
| Mon 1a | Cloudy | 57°14° (likely 56°13° to 61°16°) | 57°14° | 0% | 2 mph3 km/h from S, gusts 9 mph14 km/h | 75% | 81% | 0 |
| Mon 2a | Cloudy | 55°13° (likely 55°13° to 60°16°) | 55°13° | 0% | 2 mph3 km/h from S, gusts 8 mph13 km/h | 80% | 81% | 0 |
| Mon 3a | Cloudy | 55°13° (likely 55°13° to 59°15°) | 55°13° | 0% | 1 mph2 km/h from S, gusts 7 mph12 km/h | 80% | 82% | 0 |
| Mon 4a | Cloudy | 54°12° (likely 54°12° to 58°14°) | 54°12° | 0% | 1 mph2 km/h from S, gusts 6 mph9 km/h | 80% | 83% | 0 |
| Mon 5a | Cloudy | 54°12° (likely 53°12° to 57°14°) | 54°12° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 80% | 86% | 0 |
| Mon 6a | Cloudy | 52°11° (likely 52°11° to 56°13°) | 52°11° | 0% | 1 mph2 km/h from S, gusts 5 mph7 km/h | 86% | 89% | 0 |
| Mon 7a | Cloudy | 52°11° (likely 52°11° to 57°14°) | 52°11° | 0% | 1 mph2 km/h from S, gusts 4 mph6 km/h | 86% | 75% | 0 |
| Mon 8a | Mostly cloudy | 54°12° (likely 51°11° to 60°16°) | 54°12° | 0% | 1 mph2 km/h from S, gusts 3 mph5 km/h | 83% | 82% | 0 |
| Mon 9a | Mostly cloudy | 58°14° (likely 57°14° to 63°17°) | 58°14° | 0% | 1 mph2 km/h from S, gusts 5 mph7 km/h | 77% | 78% | 1 |
| Mon 10a | Mostly cloudy | 63°17° (likely 62°17° to 67°19°) | 63°17° | 0% | 2 mph3 km/h from SW, gusts 6 mph9 km/h | 70% | 86% | 2 |
| Mon 11a | Cloudy | 68°20° (likely 65°18° to 70°21°) | 68°20° | 0% | 2 mph3 km/h from SW, gusts 8 mph12 km/h | 59% | 91% | 3 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Partly sunny. High 76°24°, low 49°9°. Typical 64°18° / 45°7°. Dry. Forecasts agree.
Afternoon
noon–6 PM
Mostly cloudy, 75°24°Dry
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 76. Southeast wind around 6 mph.
Tonight: Partly cloudy, with a low around 49. Southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 72°22°–76°24°
- Low, likely
- 45°7°–49°9°
- Typical high / low
- 64°18° / 45°7°
- Wind
- 8 mph12 km/h, gusts 16 mph26 km/h
- UV peak
- 4
Tomorrow, Oct 25. Cloudy. High 77°25°, low 52°11°. Typical 64°18° / 44°7°. 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, 54°12°Dry
Official NWS forecast
Day: Partly sunny, with a high near 77. Southeast wind 1 to 5 mph.
Night: Mostly cloudy, with a low around 52. Southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–78°26°
- Low, likely
- 47°8°–52°11°
- Typical high / low
- 64°18° / 44°7°
- Wind
- 7 mph11 km/h, gusts 15 mph24 km/h
- UV peak
- 4
Monday, Oct 26. Cloudy. High 77°25°, low 52°11°. Typical 63°17° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly cloudy, 54°12°Dry
Afternoon
noon–6 PM
Cloudy, 75°24°Dry
Evening
6 PM–midnight
Cloudy, 62°17°Dry
Overnight
midnight–6 AM
Cloudy, 53°12°Dry
Official NWS forecast
Day: Partly sunny. High near 77, with temperatures falling to around 73 in the afternoon. South wind around 3 mph.
Night: Partly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 72°22°–77°25°
- Low, likely
- 52°11°–56°13°
- Typical high / low
- 63°17° / 44°7°
- Wind
- 7 mph12 km/h, gusts 15 mph23 km/h
- UV peak
- 4
Tuesday, Oct 27. Cloudy. High 76°24°, low 52°11°. Typical 63°17° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 53°12°Dry
Afternoon
noon–6 PM
Cloudy, 73°23°Dry
Evening
6 PM–midnight
Cloudy, 62°17°Dry
Overnight
midnight–6 AM
Cloudy, 54°12°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 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 70°21°–76°24°
- Low, likely
- 49°9°–55°13°
- Typical high / low
- 63°17° / 44°7°
- Wind
- 9 mph15 km/h, gusts 20 mph33 km/h
- UV peak
- 3
Wednesday, Oct 28. Cloudy. High 79°26°, low 54°12°. Typical 62°17° / 43°6°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 55°13°Dry
Afternoon
noon–6 PM
Sunny, 77°25°Dry
Evening
6 PM–midnight
Clear, 64°18°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 79.
Night: Mostly clear, with a low around 54.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–79°26°
- Low, likely
- 50°10°–55°13°
- Typical high / low
- 62°17° / 43°6°
- Wind
- 11 mph17 km/h, gusts 19 mph30 km/h
- UV peak
- 4
Thursday, Oct 29. Partly sunny. High 78°26°, low 52°11°. Typical 62°17° / 43°6°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 56°13°Dry
Afternoon
noon–6 PM
Sunny, 80°27°Dry
Evening
6 PM–midnight
Clear, 67°19°Dry
Overnight
midnight–6 AM
Clear, 56°13°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 78.
Night: Partly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 77°25°–81°27°
- Low, likely
- 48°9°–57°14°
- Typical high / low
- 62°17° / 43°6°
- Wind
- 11 mph18 km/h, gusts 25 mph40 km/h
- UV peak
- 4
Friday, Oct 30. Cloudy. High 76°24°, low 53°12°. Typical 62°17° / 43°6°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 57°14°Dry
Afternoon
noon–6 PM
Cloudy, 79°26°Dry
Evening
6 PM–midnight
Cloudy, 66°19°Dry
Overnight
midnight–6 AM
Cloudy, 58°14°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 76.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 74°23°–81°27°
- Low, likely
- 52°11°–59°15°
- Typical high / low
- 62°17° / 43°6°
- Wind
- 11 mph18 km/h, gusts 17 mph28 km/h
- UV peak
- 3
Saturday, Oct 31. Drizzle. High 74°23°, low 60°16°. Typical 61°16° / 42°6°. Rain 0.14 in3.6 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 59°15°30% chance
Afternoon
noon–6 PM
Cloudy, 76°24°30% chance
Evening
6 PM–midnight
Drizzle, 69°20°40% chance · 0.02 in0.6 mm
Overnight
midnight–6 AM
Drizzle, 64°18°50% chance · 0.08 in2 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°
- Typical high / low
- 61°16° / 42°6°
- Wind
- 17 mph28 km/h
- UV peak
- 1
Sunday, Nov 1. Drizzle. High 72°22°, low 61°16°. Typical 61°16° / 42°6°. Rain 0.38 in9.7 mm, 50% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 66°19°50% chance · 0.1 in2.5 mm
Afternoon
noon–6 PM
Drizzle, 73°23°50% chance · 0.08 in2.1 mm
Evening
6 PM–midnight
Drizzle, 67°19°40% chance · 0.03 in0.7 mm
Overnight
midnight–6 AM
Drizzle, 58°14°40% chance · 0.09 in2.2 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
- 69°21°–79°26°
- Low, likely
- 57°14°–64°18°
- Typical high / low
- 61°16° / 42°6°
- Wind
- 22 mph36 km/h, gusts 38 mph61 km/h
- UV peak
- 3
Monday, Nov 2. Drizzle. High 64°18°, low 55°13°. Typical 60°16° / 42°6°. Rain 0.33 in8.4 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 59°15°40% chance · 0.11 in2.8 mm
Afternoon
noon–6 PM
Drizzle, 59°15°40% chance · 0.19 in4.7 mm
Evening
6 PM–midnight
Drizzle, 61°16°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
- 55°13°–72°22°
- Low, likely
- 43°6°–66°19°
- Typical high / low
- 60°16° / 42°6°
- Wind
- 24 mph38 km/h, gusts 39 mph62 km/h
- UV peak
- 2
The outlook
Today
Dry, high 76°, low 49°.
Tomorrow
Dry, high 77°, low 52°.
Monday
Dry, high 77°, low 52°.
Rest of week
Highs 64–79°; 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
Mississippi River at St. Louis
15 mi- Level
- 8.0 ft
- Flow
- 171,000 cfs
Forecast peak 8.1 ft Sat 1 PM
Reading from Sat 11 AM · NWS gauge page
Mississippi River at Alton
12 mi- Level
- 18.5 ft
Reading from Sat 11:30 AM · NWS gauge page
Silver Creek near Mascoutah
20 mi- Level
- 7.9 ft
- Flow
- 1,440 cfs
Reading from Sat 10:45 AM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 85% less heating than a typical week.
This week 12Typical 82
Heating degree days, base 65°F
Comfort
Dry air outside (dew point 47°F).
Open the windows?
Today, 1:00 PM–8:00 PM
Good stretch to open the windows.
Is this typical?
ALTON - MELVIN PRICE L&D · official normals 1991–2020 · records 1943–2026
Oct 24, today vs a typical year
Today’s expected high is 12°7° warmer than typical.
- Normal high / low
- 64°18° / 45°7°
- Forecast high / low
- 76°24° / 49°9°
- Record high
- 83°28° in 1952
- Record low
- 25°−4° in 1981
Last 7 days vs normal
On average 4°2° warmer than normal (daily mean temperature).
- —SunOct 18
- −4°−2°MonOct 19
- +2°+1°TueOct 20
- +6°+3°WedOct 21
- —ThuOct 22
- +7°+4°FriOct 23
- +9°+5°SatOct 24
Edwardsville weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:18 AM, sunset 6:09 PM.
- Daylight
- 10 h 50 min
- Losing 2 min 25 s a day; shortest Dec 21, 1 h 24 min less
- Golden hour
- 5:32–6:25 PM
- Morning 7:01–7:55 AM
- Blue hour
- 6:25–6:36 PM
- Morning 6:51–7:01 AM; first light 6:51 AM
Stars tonight? Fair
Mostly clear 10 PM–1 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:33 AM · rises 5:06 PM
- Full moon
- Oct 25
- New moon
- Nov 9
