Mississippi River at Mel Price (Alton) Lock and Dam
16 mi- Level
- 8.0 ft
- Flow
- 128,000 cfs
Forecast peak 7.6 ft Fri 1 PM
Reading from Fri 10 AM · NWS gauge page
Observed 10:50 AM CDT at KALN
Bunker Hill, IL weather
Sunny and 66°19°.
Today: low 46°8° (likely 46°8° to 48°9°), high 76°24° (likely 73°23° to 76°24°).
Now 66°19°
Sunny
- Wind
- 6 mph9 km/h
- From the south. 35–6 mph10 km/h through 11 PM
- Dew point
- 50°10°
- Comfortable
- UV index
- 3Moderate
- Moderate until 4 PM · peak 4
Next 48 hours
Good hours for
This afternoonUp to 75°24° by 3 PM
TonightDown to 48°9° by 5 AM
Tomorrow morningUp to 65°18° by 11 AM
Tomorrow afternoonUp to 74°23° by 3 PM
Tomorrow nightDown to 49°9° by 5 AM
Sunday morningUp to 63°17° by 10 AM
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 11a | Sunny | 67°19° (likely 65°18° to 67°19°) | 67°19° | 0% | 6 mph10 km/h from SE | 54% | — | 3 |
| Fri 12p | Sunny | 71°22° (likely 69°21° to 71°22°) | 71°22° | 0% | 6 mph10 km/h from SE | 46% | — | 4 |
| Fri 1p | Sunny | 73°23° (likely 72°22° to 73°23°) | 73°23° | 0% | 6 mph10 km/h from SE | 41% | — | 4 |
| Fri 2p | Sunny | 74°23° (likely 72°22° to 74°23°) | 74°23° | 0% | 6 mph10 km/h from SE | 40% | — | 4 |
| Fri 3p | Sunny | 75°24° (likely 73°23° to 75°24°) | 75°24° | 0% | 6 mph10 km/h from SE | 37% | — | 3 |
| Fri 4p | Sunny | 75°24° (likely 72°22° to 75°24°) | 75°24° | 0% | 6 mph10 km/h from SE | 36% | — | 2 |
| Fri 5p | Sunny | 74°23° (likely 70°21° to 74°23°) | 74°23° | 0% | 6 mph10 km/h from SE | 37% | — | 1 |
| Fri 6p | Clear | 70°21° (likely 65°18° to 70°21°) | 70°21° | 0% | 5 mph8 km/h from SE | 42% | — | 0 |
| Fri 7p | Clear | 65°18° (likely 63°17° to 65°18°) | 65°18° | 0% | 5 mph8 km/h from SE | 52% | — | — |
| Fri 8p | Clear | 59°15° (likely 59°15° to 61°16°) | 59°15° | 0% | 5 mph8 km/h from SE | 67% | — | — |
| Fri 9p | Clear | 57°14° (likely 57°14° to 60°16°) | 57°14° | 0% | 5 mph8 km/h from SE | 69% | — | — |
| Fri 10p | Mostly clear | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 5 mph8 km/h from SE | 72% | — | — |
| Fri 11p | Mostly clear | 54°12° (likely 54°12° to 58°14°) | 54°12° | 0% | 3 mph5 km/h from SE | 77% | — | — |
| Sat 12a | Mostly clear | 52°11° (likely 52°11° to 57°14°) | 52°11° | 0% | 3 mph5 km/h from SE | 80% | — | — |
| Sat 1a | Mostly clear | 51°11° (likely 51°11° to 56°13°) | 51°11° | 0% | 3 mph5 km/h from SE | 83% | — | — |
| Sat 2a | Partly cloudy | 50°10° (likely 50°10° to 55°13°) | 49°9° | 0% | 3 mph5 km/h from SE | 86% | — | — |
| Sat 3a | Partly cloudy | 49°9° (likely 49°9° to 54°12°) | 48°9° | 0% | 3 mph5 km/h from SE | 89% | — | — |
| Sat 4a | Partly cloudy | 49°9° (likely 49°9° to 53°12°) | 49°9° | 0% | 2 mph3 km/h from SE | 86% | — | — |
| Sat 5a | Mostly clear | 48°9° (likely 48°9° to 52°11°) | 48°9° | 0% | 2 mph3 km/h from SE | 89% | — | — |
| Sat 6a | Mostly clear | 47°8° (likely 47°8° to 51°11°) | 46°8° | 0% | 3 mph5 km/h from SE | 93% | — | — |
| Sat 7a | Mostly sunny | 46°8° (likely 46°8° to 51°11°) | 45°7° | 0% | 3 mph5 km/h from SE | 96% | — | — |
| Sat 8a | Mostly sunny | 48°9° (likely 48°9° to 51°11°) | 46°8° | 0% | 5 mph8 km/h from SE | 93% | — | — |
| Sat 9a | Partly sunny | 54°12° (likely 54°12° to 56°13°) | 54°12° | 0% | 5 mph8 km/h from SE | 83% | — | — |
| Sat 10a | Partly sunny | 61°16° (likely 61°16° to 61°16°) | 61°16° | 0% | 5 mph8 km/h from SE | 65% | — | — |
| Sat 11a | Partly sunny | 65°18° (likely 65°18° to 65°18°) | 65°18° | 0% | 6 mph10 km/h from SE | 56% | — | — |
| Sat 12p | Partly sunny | 69°21° (likely 69°21° to 69°21°) | 69°21° | 0% | 6 mph10 km/h from S | 45% | — | — |
| Sat 1p | Partly sunny | 72°22° (likely 72°22° to 72°22°) | 72°22° | 0% | 6 mph10 km/h from SE | 39% | — | — |
| Sat 2p | Partly sunny | 73°23° (likely 73°23° to 73°23°) | 73°23° | 0% | 5 mph8 km/h from SE | 38% | — | — |
| Sat 3p | Partly sunny | 74°23° (likely 73°23° to 74°23°) | 74°23° | 0% | 5 mph8 km/h from SE | 35% | — | — |
| Sat 4p | Partly sunny | 74°23° (likely 73°23° to 74°23°) | 74°23° | 0% | 5 mph8 km/h from SE | 35% | — | — |
| Sat 5p | Partly sunny | 73°23° (likely 71°22° to 73°23°) | 73°23° | 0% | 5 mph8 km/h from SE | 37% | — | — |
| Sat 6p | Partly cloudy | 69°21° (likely 65°18° to 69°21°) | 69°21° | 0% | 3 mph5 km/h from SE | 42% | — | — |
| Sat 7p | Partly cloudy | 64°18° (likely 63°17° to 64°18°) | 64°18° | 0% | 3 mph5 km/h from SE | 52% | — | — |
| Sat 8p | Partly cloudy | 58°14° (likely 58°14° to 62°17°) | 58°14° | 0% | 3 mph5 km/h from SE | 64% | — | — |
| Sat 9p | Partly cloudy | 57°14° (likely 57°14° to 60°16°) | 57°14° | 0% | 5 mph8 km/h from SE | 67% | — | — |
| Sat 10p | Partly cloudy | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 3 mph5 km/h from SE | 72% | — | — |
| Sat 11p | Partly cloudy | 54°12° (likely 54°12° to 58°14°) | 54°12° | 0% | 3 mph5 km/h from SE | 74% | — | — |
| Sun 12a | Partly cloudy | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 3 mph5 km/h from SE | 71% | — | — |
| Sun 1a | Partly cloudy | 53°12° (likely 53°12° to 56°13°) | 53°12° | 0% | 3 mph5 km/h from SE | 71% | — | — |
| Sun 2a | Partly cloudy | 51°11° (likely 51°11° to 51°11°) | 51°11° | 0% | 2 mph3 km/h from SE | 77% | — | — |
| Sun 3a | Partly cloudy | 51°11° (likely 51°11° to 51°11°) | 51°11° | 0% | 2 mph3 km/h from SE | 80% | — | — |
| Sun 4a | Partly cloudy | 50°10° (likely 50°10° to 50°10°) | 50°10° | 0% | 2 mph3 km/h from SE | 80% | — | — |
| Sun 5a | Partly cloudy | 49°9° (likely 49°9° to 49°9°) | 49°9° | 0% | 2 mph3 km/h from SE | 83% | — | — |
| Sun 6a | Partly cloudy | 48°9° (likely 48°9° to 48°9°) | 48°9° | 0% | 2 mph3 km/h from SE | 86% | — | — |
| Sun 7a | Partly sunny | 48°9° (likely 48°9° to 48°9°) | 48°9° | 0% | 2 mph3 km/h from SE | 86% | — | — |
| Sun 8a | Partly sunny | 50°10° (likely 50°10° to 50°10°) | 50°10° | 0% | 2 mph3 km/h from SE | 86% | — | — |
| Sun 9a | Partly sunny | 56°13° (likely 56°13° to 56°13°) | 56°13° | 0% | 2 mph3 km/h from S | 74% | — | — |
| Sun 10a | Partly sunny | 63°17° (likely 63°17° to 63°17°) | 63°17° | 0% | 3 mph5 km/h from S | 60% | — | — |
Days ahead
Tap a day for its hours and the official wording.
Today, Oct 23. Sunny. High 76°24°, low 46°8°. Dry. One forecast only.
Afternoon
noon–6 PM
Sunny, 75°24°Dry
Evening
6 PM–midnight
Clear, 59°15°Dry
Overnight
midnight–6 AM
Partly cloudy, 48°9°Dry
Official NWS forecast
Today: Sunny, with a high near 76. Southeast wind around 6 mph.
Tonight: Mostly clear, with a low around 46. Southeast wind around 5 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 73°23°–76°24°
- Low, likely
- 46°8°–48°9°
- Wind
- 7 mph10 km/h
Tomorrow, Oct 24. Partly sunny. High 75°24°, low 48°9°. Dry. One forecast only.
Morning
6 AM–noon
Partly sunny, 48°9°Dry
Afternoon
noon–6 PM
Partly sunny, 74°23°Dry
Evening
6 PM–midnight
Partly cloudy, 58°14°Dry
Overnight
midnight–6 AM
Partly cloudy, 49°9°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 75. Southeast wind around 6 mph.
Night: Partly cloudy, with a low around 48. Southeast wind around 5 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 73°23°–75°24°
- Low, likely
- 48°9°–51°11°
- Wind
- 6 mph9 km/h
Sunday, Oct 25. Partly sunny. High 77°25°, low 51°11°. Dry. One forecast only.
Morning
6 AM–noon
Partly sunny, 50°10°Dry
Official NWS forecast
Day: Mostly sunny. High near 77, with temperatures falling to around 73 in the afternoon. South wind around 3 mph.
Night: Mostly cloudy, with a low around 51.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 76°24°–77°25°
- Low, likely
- 51°11°
- Wind
- 5 mph9 km/h
Monday, Oct 26. Mostly cloudy. High 77°25°, low 49°9°. Dry. One forecast only.
Official NWS forecast
Day: Partly sunny, with a high near 77.
Night: Mostly cloudy, with a low around 49.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 75°24°–77°25°
- Low, likely
- 49°9°–54°12°
- Wind
- 6 mph9 km/h
Tuesday, Oct 27. Mostly cloudy. High 74°23°, low 48°9°. Dry. One forecast only.
Official NWS forecast
Day: Partly sunny, with a high near 74.
Night: Mostly cloudy, with a low around 48.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 71°22°–74°23°
- Low, likely
- 48°9°–54°12°
- Wind
- 7 mph11 km/h
Wednesday, Oct 28. Partly sunny. High 75°24°, low 49°9°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 75.
Night: Mostly clear, with a low around 49.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 73°23°–75°24°
- Low, likely
- 49°9°–55°13°
- Wind
- 7 mph11 km/h
Thursday, Oct 29. Partly sunny. High 75°24°, low 47°8°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 75.
Night: Partly cloudy, with a low around 47.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 75°24°–76°24°
- Low, likely
- 47°8°–56°13°
- Wind
- 6 mph10 km/h
The outlook
Today
Dry, high 76°, low 46°.
Tomorrow
Dry, high 75°, low 48°.
Sunday
Dry, high 77°, low 51°.
Rest of week
Mostly dry, highs 74–77°.
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 Alton
16 mi- Level
- 18.6 ft
Reading from Fri 10 AM · NWS gauge page
Sun & moon
Sun
Sunrise 7:17 AM, sunset 6:09 PM.
- Daylight
- 10 h 52 min
- Losing 2 min 21 s a day; shortest Dec 21, 1 h 27 min less
- Golden hour
- 5:33–6:26 PM
- Morning 7:00–7:54 AM
- Blue hour
- 6:26–6:37 PM
- Morning 6:50–7:00 AM; first light 6:50 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
92% lit · growing
- Today
- sets 4:26 AM · rises 4:40 PM
- Full moon
- Oct 25
- New moon
- Nov 9
