South Platte River at Merino
0.8 mi- Level
- 2.5 ft
- Flow
- 47 cfs
Reading from Fri 7 AM · NWS gauge page
Observed 8:55 AM MDT at KSTK
Merino, CO weather
Sunny and 64°18°, gusts to 33 mph53 km/h tomorrow.
Today: low 46°8° (likely 46°8° to 61°16°), high 84°29° (likely 83°28° to 84°29°).
Now 64°18°
Sunny
- Wind
- 7 mph11 km/h
- From the south-southeast. Gusts to 30 mph49 km/h around 10 AM
- Dew point
- 46°8°
- Comfortable
- UV index
- 1Low
- Moderate 11 AM–3 PM · peak 4
- Pressure
- 29.88 inHg1012 hPa
- Steady over the last 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 74°23° by 11 AM · gusts to 30 mph48 km/h · Partly cloudy
This afternoonUp to 84°29° by 3 PM · gusts to 28 mph45 km/h · Clear
TonightDown to 50°10° by 5 AM · Mostly cloudy
Tomorrow morningUp to 53°12° by 11 AM · gusts to 33 mph53 km/h · Cloudy
Tomorrow afternoonNear 54°12° · Cloudy
Tomorrow nightDown to 38°3° by 4 AM · Rain all night (70%)
Sunday morningNear 41°5° · Rain all morning (80%)
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 9a | Partly sunny | 62°17° (likely 62°17° to 67°19°) | 62°17° | 5% | 15 mph24 km/h from SSW, gusts 26 mph42 km/h | 62% | 60% | 1 |
| Fri 10a | Sunny | 69°21° (likely 69°21° to 73°23°) | 69°21° | 5% | 18 mph29 km/h from SSW, gusts 30 mph49 km/h | 49% | 32% | 1 |
| Fri 11a | Sunny | 74°23° (likely 74°23° to 77°25°) | 74°23° | 5% | 20 mph32 km/h from SSW, gusts 27 mph44 km/h | 40% | 6% | 3 |
| Fri 12p | Sunny | 79°26° (likely 79°26° to 80°27°) | 79°26° | 0% | 20 mph32 km/h from SSW, gusts 26 mph42 km/h | 32% | 0% | 3 |
| Fri 1p | Sunny | 82°28° (likely 82°28° to 83°28°) | 80°27° | 0% | 20 mph32 km/h from SSW, gusts 27 mph44 km/h | 27% | 0% | 4 |
| Fri 2p | Sunny | 83°28° (likely 82°28° to 84°29°) | 81°27° | 0% | 20 mph32 km/h from SSW, gusts 27 mph43 km/h | 24% | 1% | 3 |
| Fri 3p | Sunny | 84°29° (likely 82°28° to 84°29°) | 81°27° | 0% | 18 mph29 km/h from SSW, gusts 27 mph43 km/h | 23% | 2% | 2 |
| Fri 4p | Sunny | 83°28° (likely 82°28° to 83°28°) | 81°27° | 0% | 17 mph27 km/h from S, gusts 28 mph46 km/h | 24% | 13% | 1 |
| Fri 5p | Sunny | 81°27° (likely 80°27° to 82°28°) | 79°26° | 0% | 16 mph26 km/h from S, gusts 24 mph39 km/h | 25% | 15% | 0 |
| Fri 6p | Clear | 78°26° (likely 76°24° to 78°26°) | 78°26° | 0% | 13 mph21 km/h from S, gusts 21 mph34 km/h | 28% | 12% | 0 |
| Fri 7p | Clear | 71°22° (likely 71°22° to 74°23°) | 71°22° | 0% | 13 mph21 km/h from S, gusts 16 mph26 km/h | 38% | 10% | 0 |
| Fri 8p | Partly cloudy | 67°19° (likely 67°19° to 72°22°) | 67°19° | 0% | 12 mph19 km/h from S, gusts 13 mph22 km/h | 43% | 54% | 0 |
| Fri 9p | Partly cloudy | 65°18° (likely 64°18° to 69°21°) | 65°18° | 0% | 12 mph19 km/h from S, gusts 12 mph19 km/h | 50% | 56% | 0 |
| Fri 10p | Cloudy | 63°17° (likely 61°16° to 67°19°) | 63°17° | 0% | 9 mph14 km/h from S, gusts 12 mph20 km/h | 54% | 72% | 0 |
| Fri 11p | Partly cloudy | 61°16° (likely 58°14° to 64°18°) | 61°16° | 0% | 9 mph14 km/h from SW, gusts 10 mph16 km/h | 58% | 81% | 0 |
| Sat 12a | Partly cloudy | 58°14° (likely 55°13° to 63°17°) | 58°14° | 0% | 8 mph13 km/h from WNW, gusts 13 mph22 km/h | 62% | 85% | 0 |
| Sat 1a | Partly cloudy | 56°13° (likely 55°13° to 61°16°) | 56°13° | 0% | 8 mph13 km/h from NNW, gusts 11 mph18 km/h | 64% | 88% | 0 |
| Sat 2a | Cloudy | 55°13° (likely 55°13° to 61°16°) | 55°13° | 0% | 9 mph14 km/h from N, gusts 13 mph21 km/h | 61% | 92% | 0 |
| Sat 3a | Cloudy | 54°12° (likely 54°12° to 60°16°) | 54°12° | 0% | 10 mph16 km/h from N, gusts 13 mph21 km/h | 61% | 93% | 0 |
| Sat 4a | Cloudy | 52°11° (likely 52°11° to 60°16°) | 52°11° | 0% | 12 mph19 km/h from N, gusts 12 mph20 km/h | 61% | 92% | 0 |
| Sat 5a | Cloudy | 50°10° (likely 50°10° to 59°15°) | 45°7° | 0% | 13 mph21 km/h from N, gusts 11 mph18 km/h | 63% | 98% | 0 |
| Sat 6a | Cloudy | 49°9° (likely 49°9° to 57°14°) | 43°6° | 5% | 15 mph24 km/h from N, gusts 13 mph21 km/h | 58% | 96% | 0 |
| Sat 7a | Cloudy | 47°8° (likely 47°8° to 56°13°) | 40°4° | 5% | 17 mph27 km/h from N, gusts 19 mph31 km/h | 63% | 95% | 0 |
| Sat 8a | Cloudy | 46°8° (likely 46°8° to 54°12°) | 39°4° | 5% | 18 mph29 km/h from N, gusts 33 mph53 km/h | 68% | 89% | 0 |
| Sat 9a | Cloudy | 49°9° (likely 48°9° to 51°11°) | 42°6° | 5% | 21 mph34 km/h from N, gusts 31 mph50 km/h | 61% | 89% | 1 |
| Sat 10a | Cloudy | 51°11° (likely 48°9° to 51°11°) | 51°11° | 5% | 21 mph34 km/h from N, gusts 29 mph47 km/h | 59% | 88% | 2 |
| Sat 11a | Mostly cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 5% | 20 mph32 km/h from N, gusts 27 mph43 km/h | 54% | 73% | 2 |
| Sat 12p | Cloudy | 54°12° (likely 49°9° to 54°12°) | 54°12° | 5% | 20 mph32 km/h from NNE, gusts 25 mph39 km/h | 50% | 90% | 2 |
| Sat 1p | Cloudy | 55°13° (likely 50°10° to 55°13°) | 55°13° | 5% | 17 mph27 km/h from NNE, gusts 21 mph34 km/h | 49% | 90% | 4 |
| Sat 2p | Cloudy | 56°13° (likely 50°10° to 56°13°) | 56°13° | 5% | 14 mph23 km/h from NNE, gusts 21 mph33 km/h | 43% | 95% | 4 |
| Sat 3p | Cloudy | 55°13° (likely 50°10° to 55°13°) | 55°13° | 5% | 14 mph23 km/h from NE, gusts 19 mph31 km/h | 47% | 99% | 1 |
| Sat 4p | Cloudy | 55°13° (likely 49°9° to 55°13°) | 55°13° | 5% | 12 mph19 km/h from NE, gusts 18 mph29 km/h | 45% | 100% | 0 |
| Sat 5p | Cloudy | 54°12° (likely 48°9° to 54°12°) | 54°12° | 5% | 10 mph16 km/h from NE, gusts 17 mph27 km/h | 47% | 98% | 0 |
| Sat 6p | Cloudy | 51°11° (likely 47°8° to 51°11°) | 51°11° | 40%, 0.07 in1.8 mm | 8 mph13 km/h from ENE, gusts 15 mph24 km/h | 52% | 100% | 0 |
| Sat 7p | Drizzle | 47°8° (likely 46°8° to 49°9°) | 44°7° | 40%, 0.07 in1.8 mm | 7 mph11 km/h from ENE, gusts 14 mph22 km/h | 60% | 100% | 0 |
| Sat 8p | Drizzle | 45°7° (likely 44°7° to 47°8°) | 42°6° | 40%, 0.07 in1.8 mm | 6 mph10 km/h from ENE, gusts 9 mph15 km/h | 68% | 100% | 0 |
| Sat 9p | Drizzle | 44°7° (likely 43°6° to 46°8°) | 41°5° | 40%, 0.07 in1.8 mm | 6 mph10 km/h from ENE, gusts 9 mph14 km/h | 73% | 99% | 0 |
| Sat 10p | Drizzle | 43°6° (likely 42°6° to 45°7°) | 39°4° | 40%, 0.07 in1.8 mm | 6 mph10 km/h from E, gusts 7 mph12 km/h | 76% | 100% | 0 |
| Sat 11p | Drizzle | 42°6° (likely 42°6° to 45°7°) | 39°4° | 40%, 0.07 in1.8 mm | 5 mph8 km/h from E, gusts 8 mph13 km/h | 82% | 98% | 0 |
| Sun 12a | Cloudy | 41°5° (likely 41°5° to 44°7°) | 38°3° | 70%, 0.02 in0.5 mm | 5 mph8 km/h from E, gusts 9 mph14 km/h | 86% | 95% | 0 |
| Sun 1a | Cloudy | 40°4° (likely 40°4° to 44°7°) | 37°3° | 70%, 0.02 in0.5 mm | 5 mph8 km/h from E, gusts 7 mph12 km/h | 92% | 98% | 0 |
| Sun 2a | Cloudy | 39°4° (likely 39°4° to 44°7°) | 35°2° | 70%, 0.02 in0.5 mm | 6 mph10 km/h from E, gusts 8 mph13 km/h | 96% | 100% | 0 |
| Sun 3a | Cloudy | 39°4° (likely 39°4° to 43°6°) | 35°2° | 70%, 0.02 in0.5 mm | 6 mph10 km/h from E, gusts 9 mph15 km/h | 96% | 100% | 0 |
| Sun 4a | Drizzle | 38°3° (likely 38°3° to 43°6°) | 34°1° | 70%, 0.02 in0.5 mm | 6 mph10 km/h from E, gusts 9 mph15 km/h | 100% | 100% | 0 |
| Sun 5a | Drizzle | 38°3° (likely 38°3° to 44°7°) | 33°1° | 70%, 0.02 in0.5 mm | 7 mph11 km/h from E, gusts 9 mph15 km/h | 100% | 100% | 0 |
| Sun 6a | Cloudy | 39°4° (likely 39°4° to 45°7°) | 34°1° | 80%, 0.03 in0.8 mm | 7 mph11 km/h from E, gusts 9 mph14 km/h | 96% | 99% | 0 |
| Sun 7a | Cloudy | 40°4° (likely 40°4° to 47°8°) | 35°2° | 80%, 0.03 in0.8 mm | 7 mph11 km/h from E, gusts 9 mph14 km/h | 96% | 99% | 0 |
| Sun 8a | Cloudy | 42°6° (likely 41°5° to 47°8°) | 37°3° | 80%, 0.03 in0.8 mm | 8 mph13 km/h from E, gusts 8 mph14 km/h | 96% | 97% | 0 |
Days ahead
Tap a day for its hours and the official wording.
Today, Oct 23. Cloudy. High 84°29°, low 46°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 74°23°Dry
Afternoon
noon–6 PM
Sunny, 84°29°Dry
Evening
6 PM–midnight
Partly cloudy, 67°19°Dry
Overnight
midnight–6 AM
Cloudy, 50°10°Dry
Official NWS forecast
Today: Mostly sunny. High near 84, with temperatures falling to around 81 in the afternoon. South wind 15 to 20 mph, with gusts as high as 31 mph.
Tonight: Partly cloudy. Low around 46, with temperatures rising to around 50 overnight. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 83°28°–84°29°
- Low, likely
- 46°8°–61°16°
- Wind
- 21 mph34 km/h, gusts 35 mph57 km/h
- UV peak
- 5
Tomorrow, Oct 24. Drizzle. High 57°14°, low 36°2°. Rain 0.08 in2 mm, 5% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 46°8°Dry
Afternoon
noon–6 PM
Cloudy, 56°13°Dry
Evening
6 PM–midnight
Drizzle, 45°7°40% chance · 0.42 in11 mm
Overnight
midnight–6 AM
Drizzle, 38°3°70% chance · 0.12 in3 mm
Official NWS forecast
Day: Partly sunny. High near 57, with temperatures falling to around 54 in the afternoon. North northeast wind 10 to 21 mph, with gusts as high as 33 mph.
Night: Rain showers likely. Cloudy, with a low around 36. East northeast wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 57°14°–63°17°
- Low, likely
- 36°2°–45°7°
- Wind
- 23 mph36 km/h, gusts 35 mph56 km/h
- UV peak
- 4
Sunday, Oct 25. Drizzle. High 56°13°, low 37°3°. Rain 0.07 in1.8 mm, 80% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 42°6°80% chance · 0.09 in2.3 mm
Afternoon
noon–6 PM
Cloudy, 53°12°30% chance
Evening
6 PM–midnight
Drizzle, 50°10°60% chance · 0.03 in0.6 mm
Overnight
midnight–6 AM
Drizzle, 47°8°60% chance · 0.05 in1.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain showers. Mostly cloudy, with a high near 56. East wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Night: Rain showers likely before 9pm, then showers and thunderstorms. Mostly cloudy, with a low around 37. Chance of precipitation is 80%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 52°11°–56°13°
- Low, likely
- 37°3°–43°6°
- Wind
- 14 mph23 km/h, gusts 22 mph35 km/h
- UV peak
- 2
Monday, Oct 26. Showers. High 59°15°, low 32°0°. Rain 0.16 in4.1 mm, 40% chance. Mostly agree.
Morning
6 AM–noon
Drizzle, 45°7°60% chance · 0.1 in2.6 mm
Afternoon
noon–6 PM
Cloudy, 51°10°40% chance
Evening
6 PM–midnight
Clear, 43°6°Dry
Overnight
midnight–6 AM
Clear, 39°4°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly cloudy, with a high near 59.
Night: A slight chance of rain showers before midnight. Partly cloudy, with a low around 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 49°9°–59°15°
- Low, likely
- 32°0°–41°5°
- Wind
- 13 mph21 km/h, gusts 21 mph34 km/h
- UV peak
- 2
Tuesday, Oct 27. Mostly sunny. High 66°19°, low 35°2°. Dry. Mostly agree. Best day outdoors this week.
Morning
6 AM–noon
Sunny, 43°6°Dry
Afternoon
noon–6 PM
Sunny, 66°19°Dry
Evening
6 PM–midnight
Clear, 55°13°Dry
Overnight
midnight–6 AM
Clear, 40°4°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 66.
Night: Mostly clear, with a low around 35.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 66°19°).
- High, likely
- 63°17°–68°20°
- Low, likely
- 35°2°–40°4°
- Wind
- 17 mph27 km/h, gusts 30 mph49 km/h
- UV peak
- 5
Wednesday, Oct 28. Mostly sunny. High 66°19°, low 33°1°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 42°5°Dry
Afternoon
noon–6 PM
Sunny, 66°19°Dry
Evening
6 PM–midnight
Clear, 53°12°Dry
Overnight
midnight–6 AM
Clear, 37°3°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 66.
Night: Partly cloudy, with a low around 33.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 62°17°–72°22°
- Low, likely
- 33°1°–45°7°
- Wind
- 16 mph26 km/h, gusts 32 mph52 km/h
- UV peak
- 4
Thursday, Oct 29. Partly sunny. High 63°17°, low 32°0°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 39°4°Dry
Afternoon
noon–6 PM
Cloudy, 61°16°Dry
Evening
6 PM–midnight
Partly cloudy, 52°11°Dry
Overnight
midnight–6 AM
Clear, 40°5°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Partly cloudy, with a low around 32.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 55°13°–68°20°
- Low, likely
- 32°0°–41°5°
- Wind
- 17 mph27 km/h, gusts 28 mph44 km/h
- UV peak
- 4
Friday, Oct 30. Cloudy. High 64°18°, low 39°4°. Dry. Forecasts differ.
Morning
6 AM–noon
Partly sunny, 41°5°Dry
Afternoon
noon–6 PM
Mostly sunny, 62°17°Dry
Evening
6 PM–midnight
Cloudy, 54°12°Dry
Overnight
midnight–6 AM
Clear, 44°7°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.
- High, likely
- 61°16°–68°20°
- Low, likely
- 37°3°–46°8°
- Wind
- 15 mph24 km/h, gusts 28 mph44 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 66°19°, low 43°6°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 48°9°Dry
Afternoon
noon–6 PM
Sunny, 67°19°Dry
Evening
6 PM–midnight
Partly cloudy, 55°13°Dry
Overnight
midnight–6 AM
Clear, 40°5°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.
- High, likely
- 62°17°–70°21°
- Low, likely
- 40°4°–46°8°
- Wind
- 13 mph21 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Sunday, Nov 1. Cloudy. High 65°18°, low 43°6°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 44°7°Dry
Afternoon
noon–6 PM
Cloudy, 68°20°Dry
Evening
6 PM–midnight
Cloudy, 60°16°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 62°17°–68°20°
- Low, likely
- 39°4°–46°8°
- Wind
- 13 mph21 km/h, gusts 24 mph38 km/h
- UV peak
- 3
The outlook
Today
Dry, high 84°, low 46°.
Tomorrow
Dry, high 57°, low 36°, cooling off.
Sunday
80% chance of rain, high 56°, low 37°.
Rest of week
Mostly dry, highs 59–66°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOU) (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
South Platte River near Balzac
13 mi- Level
- 2.1 ft
Reading from Fri 7:30 AM · NWS gauge page
Sun & moon
Sun
Sunrise 7:13 AM, sunset 6:01 PM.
- Daylight
- 10 h 48 min
- Losing 2 min 30 s a day; shortest Dec 21, 1 h 32 min less
- Golden hour
- 5:23–6:18 PM
- Morning 6:56–7:51 AM
- Blue hour
- 6:18–6:29 PM
- Morning 6:45–6:56 AM; first light 6:45 AM
Stars tonight? Fair
Mostly clear 6:29–8 PM, but the moon is 95% lit and up.
Moon
Waxing gibbous
92% lit · growing
- Today
- sets 4:22 AM · rises 4:34 PM
- Full moon
- Oct 25
- New moon
- Nov 9
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