Saint Vrain Creek below Longmont
4.7 mi- Level
- 10.2 ft
- Flow
- 115 cfs
Reading from Sat 4 PM · NWS gauge page
Appearance
Observed 5:15 PM MDT at KLMO
Overcast and 51°11°, 9°5° colder than a typical Oct 24, rain ~6–8 PM (53%).
Today: low 38°3° (likely 38°3° to 46°8°), high 53°12° (likely 53°12° to 57°14°).
Now 51°11°
Cloudy
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 5p | Cloudy | 52°11° (likely 52°11° to 54°12°) | 52°11° | 10% | 7 mph11 km/h from E, gusts 10 mph16 km/h | 50% | 98% | 0 |
| Sat 6p | Cloudy | 51°11° (likely 50°10° to 52°11°) | 51°11° | 50%, 0.02 in0.5 mm | 7 mph11 km/h from E, gusts 10 mph16 km/h | 54% | 99% | 0 |
| Sat 7p | Cloudy | 49°9° (likely 48°9° to 51°11°) | 46°8° | 50%, 0.02 in0.5 mm | 7 mph11 km/h from ESE, gusts 13 mph21 km/h | 61% | 98% | 0 |
| Sat 8p | Cloudy | 47°8° (likely 46°8° to 48°9°) | 44°7° | 50%, 0.02 in0.5 mm | 6 mph10 km/h from ESE, gusts 13 mph20 km/h | 68% | 95% | 0 |
| Sat 9p | Cloudy | 47°8° (likely 44°7° to 48°9°) | 45°7° | 20%, 0.02 in0.5 mm | 5 mph8 km/h from ESE, gusts 12 mph20 km/h | 71% | 96% | 0 |
| Sat 10p | Cloudy | 47°8° (likely 44°7° to 47°8°) | 45°7° | 20%, 0.02 in0.5 mm | 5 mph8 km/h from ESE, gusts 13 mph21 km/h | 71% | 94% | 0 |
| Sat 11p | Cloudy | 45°7° (likely 43°6° to 46°8°) | 43°6° | 20%, 0.02 in0.5 mm | 5 mph8 km/h from ESE, gusts 11 mph18 km/h | 76% | 92% | 0 |
| Sun 12a | Cloudy | 45°7° (likely 43°6° to 46°8°) | 43°6° | 5% | 5 mph8 km/h from ESE, gusts 10 mph17 km/h | 76% | 89% | 0 |
| Sun 1a | Cloudy | 43°6° (likely 42°6° to 45°7°) | 40°4° | 5% | 5 mph8 km/h from ESE, gusts 9 mph14 km/h | 82% | 90% | 0 |
| Sun 2a | Cloudy | 43°6° (likely 41°5° to 44°7°) | 41°5° | 5% | 3 mph5 km/h from ESE, gusts 8 mph13 km/h | 82% | 96% | 0 |
| Sun 3a | Cloudy | 42°6° (likely 41°5° to 44°7°) | 39°4° | 5% | 5 mph8 km/h from E, gusts 7 mph11 km/h | 86% | 96% | 0 |
| Sun 4a | Cloudy | 41°5° (likely 40°4° to 43°6°) | 39°4° | 5% | 3 mph5 km/h from E, gusts 4 mph7 km/h | 89% | 87% | 0 |
| Sun 5a | Cloudy | 41°5° (likely 39°4° to 42°6°) | 39°4° | 5% | 3 mph5 km/h from E, gusts 5 mph8 km/h | 89% | 80% | 0 |
| Sun 6a | Cloudy | 39°4° (likely 38°3° to 41°5°) | 37°3° | 0% | 3 mph5 km/h from E, gusts 7 mph12 km/h | 96% | 85% | 0 |
| Sun 7a | Cloudy | 39°4° (likely 38°3° to 42°6°) | 37°3° | 0% | 3 mph5 km/h from ENE, gusts 9 mph14 km/h | 96% | 83% | 0 |
| Sun 8a | Cloudy | 39°4° (likely 37°3° to 42°6°) | 36°2° | 0% | 5 mph8 km/h from ENE, gusts 8 mph13 km/h | 96% | 63% | 0 |
| Sun 9a | Cloudy | 42°6° (likely 40°4° to 44°7°) | 38°3° | 5% | 6 mph10 km/h from ENE, gusts 8 mph12 km/h | 96% | 66% | 1 |
| Sun 10a | Cloudy | 45°7° (likely 43°6° to 46°8°) | 43°6° | 5% | 5 mph8 km/h from ENE, gusts 8 mph12 km/h | 89% | 71% | 2 |
| Sun 11a | Cloudy | 47°8° (likely 45°7° to 50°10°) | 45°7° | 5% | 5 mph8 km/h from NE, gusts 8 mph13 km/h | 83% | 66% | 3 |
| Sun 12p | Mostly cloudy | 50°10° (likely 48°9° to 52°11°) | 48°9° | 5% | 5 mph8 km/h from NE, gusts 9 mph14 km/h | 74% | 36% | 4 |
| Sun 1p | Sunny | 53°12° (likely 51°11° to 55°13°) | 53°12° | 5% | 5 mph8 km/h from NNE, gusts 8 mph13 km/h | 66% | 19% | 5 |
| Sun 2p | Sunny | 54°12° (likely 53°12° to 58°14°) | 54°12° | 5% | 5 mph8 km/h from NNE, gusts 9 mph14 km/h | 64% | 12% | 5 |
| Sun 3p | Sunny | 55°13° (likely 54°12° to 59°15°) | 55°13° | 20% | 6 mph10 km/h from NNE, gusts 10 mph16 km/h | 61% | 20% | 4 |
| Sun 4p | Showers | 56°13° (likely 55°13° to 59°15°) | 56°13° | 20% | 7 mph11 km/h from N, gusts 11 mph18 km/h | 59% | 31% | 3 |
| Sun 5p | Cloudy | 55°13° (likely 55°13° to 58°14°) | 55°13° | 20% | 8 mph13 km/h from N, gusts 13 mph21 km/h | 64% | 70% | 1 |
| Sun 6p | Cloudy | 54°12° (likely 52°11° to 56°13°) | 54°12° | 70%, 0.05 in1.3 mm | 8 mph13 km/h from N, gusts 18 mph30 km/h | 69% | 80% | 0 |
| Sun 7p | Cloudy | 52°11° (likely 49°9° to 54°12°) | 52°11° | 70%, 0.05 in1.3 mm | 9 mph14 km/h from N, gusts 21 mph34 km/h | 77% | 85% | 0 |
| Sun 8p | Cloudy | 50°10° (likely 48°9° to 51°11°) | 46°8° | 70%, 0.05 in1.3 mm | 9 mph14 km/h from N, gusts 21 mph34 km/h | 86% | 91% | 0 |
| Sun 9p | Showers | 49°9° (likely 47°8° to 50°10°) | 45°7° | 70%, 0.05 in1.3 mm | 9 mph14 km/h from N, gusts 20 mph32 km/h | 86% | 100% | 0 |
| Sun 10p | Drizzle | 49°9° (likely 46°8° to 50°10°) | 45°7° | 70%, 0.05 in1.3 mm | 9 mph14 km/h from N, gusts 17 mph28 km/h | 89% | 98% | 0 |
| Sun 11p | Drizzle | 48°9° (likely 46°8° to 49°9°) | 44°7° | 70%, 0.05 in1.3 mm | 9 mph14 km/h from N, gusts 15 mph25 km/h | 89% | 98% | 0 |
| Mon 12a | Showers | 47°8° (likely 45°7° to 48°9°) | 43°6° | 60%, 0.1 in2.5 mm | 8 mph13 km/h from N, gusts 20 mph32 km/h | 93% | 100% | 0 |
| Mon 1a | Rain | 46°8° (likely 45°7° to 48°9°) | 42°6° | 60%, 0.1 in2.5 mm | 7 mph11 km/h from N, gusts 22 mph35 km/h | 96% | 100% | 0 |
| Mon 2a | Showers | 46°8° (likely 45°7° to 47°8°) | 42°6° | 60%, 0.1 in2.5 mm | 7 mph11 km/h from N, gusts 23 mph37 km/h | 93% | 100% | 0 |
| Mon 3a | Showers | 46°8° (likely 45°7° to 47°8°) | 42°6° | 60%, 0.1 in2.5 mm | 7 mph11 km/h from N, gusts 20 mph33 km/h | 93% | 100% | 0 |
| Mon 4a | Showers | 45°7° (likely 44°7° to 47°8°) | 41°5° | 60%, 0.1 in2.5 mm | 7 mph11 km/h from N, gusts 20 mph32 km/h | 93% | 99% | 0 |
| Mon 5a | Showers | 45°7° (likely 42°6° to 46°8°) | 42°6° | 60%, 0.1 in2.5 mm | 6 mph10 km/h from N, gusts 20 mph33 km/h | 93% | 99% | 0 |
| Mon 6a | Drizzle | 44°7° (likely 42°6° to 46°8°) | 41°5° | 30%, 0.01 in0.3 mm | 5 mph8 km/h from N, gusts 20 mph32 km/h | 93% | 99% | 0 |
| Mon 7a | Drizzle | 42°6° (likely 41°5° to 46°8°) | 39°4° | 30%, 0.01 in0.3 mm | 5 mph8 km/h from N, gusts 17 mph27 km/h | 100% | 93% | 0 |
| Mon 8a | Partly sunny | 42°6° (likely 41°5° to 46°8°) | 38°3° | 30%, 0.01 in0.3 mm | 6 mph10 km/h from NNE, gusts 15 mph24 km/h | 100% | 76% | 0 |
| Mon 9a | Showers | 45°7° (likely 42°6° to 47°8°) | 42°6° | 30%, 0.01 in0.3 mm | 6 mph10 km/h from NNE, gusts 14 mph23 km/h | 100% | 49% | 0 |
| Mon 10a | Cloudy | 48°9° (likely 44°7° to 48°9°) | 46°8° | 30%, 0.01 in0.3 mm | 5 mph8 km/h from NNE, gusts 9 mph15 km/h | 89% | 79% | 1 |
| Mon 11a | Cloudy | 51°11° (likely 45°7° to 51°11°) | 51°11° | 30%, 0.01 in0.3 mm | 2 mph3 km/h from E, gusts 4 mph7 km/h | 80% | 80% | 2 |
| Mon 12p | Cloudy | 54°12° (likely 46°8° to 54°12°) | 54°12° | 0% | 3 mph5 km/h from SE, gusts 3 mph5 km/h | 69% | 76% | 3 |
| Mon 1p | Mostly sunny | 57°14° (likely 51°11° to 57°14°) | 57°14° | 0% | 3 mph5 km/h from SE, gusts 4 mph7 km/h | 59% | 48% | 3 |
| Mon 2p | Mostly sunny | 59°15° (likely 53°12° to 59°15°) | 59°15° | 0% | 5 mph8 km/h from SE, gusts 6 mph10 km/h | 55% | 19% | 4 |
| Mon 3p | Sunny | 60°16° (likely 55°13° to 60°16°) | 60°16° | 0% | 5 mph8 km/h from ESE, gusts 7 mph12 km/h | 51% | 2% | 4 |
| Mon 4p | Sunny | 60°16° (likely 56°13° to 61°16°) | 60°16° | 0% | 5 mph8 km/h from ESE, gusts 7 mph12 km/h | 51% | 2% | 3 |
Evening
6 PM–midnight
50% chance · 0.12 in3 mm
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Cloudy, with a high near 53. East wind around 7 mph.
Tonight: A chance of rain showers before midnight. Cloudy. Low around 38, with temperatures rising to around 41 overnight. East southeast wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
70% chance · 0.3 in7.6 mm
Overnight
midnight–6 AM
60% chance · 0.6 in15 mm
Official NWS forecast
Day: A slight chance of rain showers after 3pm. Mostly cloudy, with a high near 56. Northeast wind 3 to 8 mph. Chance of precipitation is 20%.
Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 41. North wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
30% chance · 0.06 in1.5 mm
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: A chance of rain showers before noon. Mostly sunny, with a high near 61. East northeast wind 2 to 6 mph. Chance of precipitation is 30%.
Night: Mostly clear, with a low around 35.
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 66.
Night: Mostly clear, with a low around 37.
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°).
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 66.
Night: Partly cloudy, with a low around 37.
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: Mostly sunny, with a high near 67.
Night: Mostly cloudy, with a low around 39.
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: Partly sunny, with a high near 67.
Night: Mostly cloudy, with a low around 41.
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
20% chance
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
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
20% chance
Overnight
midnight–6 AM
30% chance
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
Dry
Evening
6 PM–midnight
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.
Dry, high 53°, low 38°.
Dry, high 56°, low 41°, warming up.
Dry, high 61°, low 35°, warming up.
Mostly dry, highs 57–67°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOU) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 4 PM · NWS gauge page
Reading from Sat 4:30 PM · NWS gauge page
Reading from Sat 6:30 AM · NWS gauge page
Reading from Sat 4:30 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 76% 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 9 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 32°F).
Mon, 3:00 PM–4:00 PM
Good stretch to open the windows.
Today’s expected high is 9°5° colder than typical.
On average 10°6° warmer than normal (daily mean temperature).
Mead weather by month: normals, records, snow and freeze dates
Sunrise 7:20 AM, sunset 6:07 PM.
Clouds most of the night (about 92% cover).
Waxing gibbous
98% lit · growing
UniColorado Heating & Cooling installs heat pumps, furnaces and air conditioning across the Front Range. 12,000+ heat pumps installed since 2014.