Monongahela River at Maxwell Lock and Dam (lower pool)
8.7 mi- Level
- 10.2 ft
- Flow
- 6,430 cfs
Forecast peak 10.2 ft Sat 2 PM
Reading from Sat 8:30 AM · NWS gauge page
Appearance
Observed 10:00 AM EDT at KMGW
Sunny and 52°11°.
Today: low 35°2° (likely 35°2° to 42°6°), high 65°18° (likely 63°17° to 65°18°).
Now 52°11°
Sunny
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 10a | Sunny | 49°9° (likely 49°9° to 51°11°) | 49°9° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 77% | 5% | 1 |
| Sat 11a | Sunny | 55°13° (likely 55°13° to 57°14°) | 55°13° | 0% | 1 mph2 km/h from SE, gusts 6 mph10 km/h | 65% | 6% | 2 |
| Sat 12p | Sunny | 60°16° (likely 59°15° to 60°16°) | 60°16° | 0% | 1 mph2 km/h from SE, gusts 4 mph7 km/h | 51% | 8% | 3 |
| Sat 1p | Sunny | 62°17° (likely 61°16° to 62°17°) | 63°17° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 48% | 10% | 4 |
| Sat 2p | Sunny | 64°18° (likely 63°17° to 64°18°) | 64°18° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 46% | 9% | 3 |
| Sat 3p | Sunny | 64°18° (likely 63°17° to 64°18°) | 65°18° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 45% | 7% | 3 |
| Sat 4p | Sunny | 64°18° (likely 63°17° to 64°18°) | 64°18° | 0% | 1 mph2 km/h from E, gusts 3 mph5 km/h | 45% | 4% | 2 |
| Sat 5p | Sunny | 64°18° (likely 62°17° to 64°18°) | 64°18° | 0% | 2 mph3 km/h from E, gusts 4 mph6 km/h | 45% | 5% | 1 |
| Sat 6p | Clear | 61°16° (likely 58°14° to 61°16°) | 61°16° | 0% | 3 mph5 km/h from E, gusts 4 mph7 km/h | 48% | 12% | 0 |
| Sat 7p | Clear | 56°13° (likely 54°12° to 56°13°) | 56°13° | 0% | 3 mph5 km/h from E, gusts 8 mph13 km/h | 58% | 12% | 0 |
| Sat 8p | Clear | 52°11° (likely 51°11° to 53°12°) | 52°11° | 0% | 6 mph10 km/h from E, gusts 11 mph17 km/h | 72% | 6% | 0 |
| Sat 9p | Clear | 49°9° (likely 49°9° to 52°11°) | 46°8° | 0% | 6 mph10 km/h from SE, gusts 12 mph19 km/h | 75% | 2% | 0 |
| Sat 10p | Clear | 47°8° (likely 47°8° to 51°11°) | 44°7° | 0% | 6 mph10 km/h from SE, gusts 12 mph19 km/h | 76% | 0% | 0 |
| Sat 11p | Clear | 45°7° (likely 45°7° to 50°10°) | 43°6° | 0% | 5 mph8 km/h from SE, gusts 12 mph19 km/h | 78% | 0% | 0 |
| Sun 12a | Clear | 44°7° (likely 44°7° to 49°9°) | 42°6° | 0% | 3 mph5 km/h from SE, gusts 12 mph19 km/h | 82% | 0% | 0 |
| Sun 1a | Clear | 42°6° (likely 42°6° to 49°9°) | 42°6° | 0% | 2 mph3 km/h from SE, gusts 11 mph18 km/h | 84% | 0% | 0 |
| Sun 2a | Clear | 41°5° (likely 41°5° to 47°8°) | 41°5° | 0% | 2 mph3 km/h from SE, gusts 9 mph15 km/h | 87% | 0% | 0 |
| Sun 3a | Clear | 40°4° (likely 40°4° to 46°8°) | 40°4° | 0% | 1 mph2 km/h from SE, gusts 8 mph13 km/h | 92% | 0% | 0 |
| Sun 4a | Clear | 39°4° (likely 39°4° to 44°7°) | 39°4° | 0% | 1 mph2 km/h from SE, gusts 4 mph6 km/h | 93% | 0% | 0 |
| Sun 5a | Clear | 37°3° (likely 37°3° to 43°6°) | 37°3° | 0% | 1 mph2 km/h from SE, gusts 4 mph6 km/h | 98% | 0% | 0 |
| Sun 6a | Clear | 36°2° (likely 36°2° to 43°6°) | 36°2° | 0% | 1 mph2 km/h from S, gusts 2 mph4 km/h | 98% | 0% | 0 |
| Sun 7a | Clear | 36°2° (likely 36°2° to 41°5°) | 36°2° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 100% | 0% | 0 |
| Sun 8a | Sunny | 35°2° (likely 35°2° to 41°5°) | 35°2° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 99% | 0% | 0 |
| Sun 9a | Sunny | 39°4° (likely 39°4° to 45°7°) | 39°4° | 0% | 1 mph2 km/h from SE, gusts 3 mph4 km/h | 100% | 1% | 0 |
| Sun 10a | Sunny | 48°9° (likely 48°9° to 52°11°) | 48°9° | 0% | 0 mph0 km/h, gusts 3 mph6 km/h | 83% | 2% | 2 |
| Sun 11a | Sunny | 55°13° (likely 55°13° to 57°14°) | 55°13° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 67% | 2% | 3 |
| Sun 12p | Sunny | 60°16° (likely 58°14° to 60°16°) | 60°16° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 56% | 2% | 4 |
| Sun 1p | Sunny | 63°17° (likely 61°16° to 63°17°) | 63°17° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 48% | 2% | 4 |
| Sun 2p | Sunny | 64°18° (likely 62°17° to 64°18°) | 64°18° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 47% | 1% | 4 |
| Sun 3p | Sunny | 65°18° (likely 63°17° to 65°18°) | 65°18° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 46% | 1% | 4 |
| Sun 4p | Sunny | 65°18° (likely 63°17° to 65°18°) | 65°18° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 46% | 0% | 3 |
| Sun 5p | Sunny | 64°18° (likely 61°16° to 64°18°) | 64°18° | 0% | 0 mph0 km/h, gusts 3 mph6 km/h | 46% | 36% | 2 |
| Sun 6p | Clear | 62°17° (likely 58°14° to 62°17°) | 62°17° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 50% | 16% | 1 |
| Sun 7p | Clear | 56°13° (likely 54°12° to 57°14°) | 56°13° | 0% | 1 mph2 km/h from E, gusts 1 mph2 km/h | 61% | 0% | 0 |
| Sun 8p | Clear | 52°11° (likely 50°10° to 54°12°) | 52°11° | 0% | 1 mph2 km/h from E, gusts 3 mph5 km/h | 77% | 4% | 0 |
| Sun 9p | Clear | 48°9° (likely 48°9° to 52°11°) | 48°9° | 0% | 1 mph2 km/h from SE, gusts 4 mph7 km/h | 86% | 1% | 0 |
| Sun 10p | Clear | 46°8° (likely 46°8° to 50°10°) | 46°8° | 0% | 1 mph2 km/h from SE, gusts 4 mph7 km/h | 93% | 4% | 0 |
| Sun 11p | Clear | 44°7° (likely 44°7° to 49°9°) | 44°7° | 0% | 1 mph2 km/h from SE, gusts 6 mph9 km/h | 97% | 7% | 0 |
| Mon 12a | Clear | 43°6° (likely 42°6° to 48°9°) | 43°6° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 99% | 6% | 0 |
| Mon 1a | Clear | 42°6° (likely 40°4° to 47°8°) | 42°6° | 0% | 1 mph2 km/h from SE, gusts 4 mph7 km/h | 100% | 10% | 0 |
| Mon 2a | Clear | 41°5° (likely 39°4° to 45°7°) | 41°5° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 100% | 11% | 0 |
| Mon 3a | Clear | 40°4° (likely 36°2° to 44°7°) | 40°4° | 0% | 1 mph2 km/h from S, gusts 5 mph9 km/h | 100% | 14% | 0 |
| Mon 4a | Clear | 40°4° (likely 35°2° to 44°7°) | 40°4° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 100% | 16% | 0 |
| Mon 5a | Clear | 39°4° (likely 35°2° to 43°6°) | 39°4° | 0% | 2 mph3 km/h from S, gusts 5 mph7 km/h | 100% | 16% | 0 |
| Mon 6a | Clear | 38°3° (likely 34°1° to 42°6°) | 38°3° | 0% | 2 mph3 km/h from S, gusts 4 mph7 km/h | 100% | 14% | 0 |
| Mon 7a | Clear | 37°3° (likely 34°1° to 42°6°) | 37°3° | 0% | 2 mph3 km/h from S, gusts 4 mph7 km/h | 100% | 19% | 0 |
| Mon 8a | Sunny | 38°3° (likely 34°1° to 43°6°) | 38°3° | 0% | 2 mph3 km/h from S, gusts 4 mph6 km/h | 100% | 24% | 0 |
| Mon 9a | Sunny | 43°6° (likely 37°3° to 49°9°) | 43°6° | 0% | 2 mph3 km/h from S, gusts 4 mph6 km/h | 92% | 22% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Sunny, with a high near 65. East wind around 2 mph.
Tonight: Areas of fog after 4am. Clear, with a low around 35. Southeast wind 1 to 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Areas of fog and patchy frost before 10am. Sunny, with a high near 66. Southeast wind around 1 mph.
Night: Patchy fog after 11pm. Clear, with a low around 37. Southeast wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 7am, then patchy frost and patchy fog between 7am and 9am. Sunny, with a high near 67. Southwest wind around 3 mph.
Night: Mostly clear, with a low around 42.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 65.
Night: Partly cloudy, with a low around 43.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 68.
Night: Mostly cloudy, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Mostly clear, with a low around 46.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: Partly cloudy, with a low around 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
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.
Morning
6 AM–noon
20% chance
Afternoon
noon–6 PM
30% chance
Evening
6 PM–midnight
40% chance · 0.02 in0.4 mm
Overnight
midnight–6 AM
40% chance · 0.02 in0.6 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.
Morning
6 AM–noon
40% chance · 0.01 in0.3 mm
Afternoon
noon–6 PM
40% chance · 0.04 in1.1 mm
Evening
6 PM–midnight
40% chance · 0.07 in1.7 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.
Dry, high 65°, low 35°.
Dry, high 66°, low 37°.
Dry, high 67°, low 42°.
Highs 61–70°; chance of precipitation on Monday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PBZ) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 10.2 ft Sat 2 PM
Reading from Sat 8:30 AM · NWS gauge page
Forecast peak 11.6 ft Sat 8 PM
Reading from Sat 9:16 AM · NWS gauge page
Forecast peak 2.9 ft Sat 2 PM
Reading from Sat 9:15 AM · NWS gauge page
Forecast peak 11.9 ft Sat 8 PM
Reading from Sat 8:15 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 72% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at. About 17 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 41°F).
Today, 12:00 PM–6:00 PM
Good stretch to open the windows.
Today’s expected high is 3°2° warmer than typical.
On average 5°3° colder than normal (daily mean temperature).
New Salem weather by month: normals, records, snow and freeze dates
Sunrise 7:39 AM, sunset 6:26 PM.
Clear 6:54 PM–7:12 AM, but the moon is 99% lit and up.
Waxing gibbous
97% lit · growing