South Canyon near Rapid City
4.1 mi- Level
- 3.6 ft
- Flow
- under 1 cfs
Reading from Sat 9:45 AM · NWS gauge page
Appearance
Observed 10:55 AM MDT at KRCA
Windy and 47°8°.
Today: low 35°2° (likely 35°2° to 39°4°), high 50°10° (likely 50°10° to 53°12°).
Now 47°8°
Windy · Feels like 39°4°
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 11a | Sunny | 43°6° (likely 43°6° to 47°8°) | 37°3° | 0% | 12 mph19 km/h from N, gusts 21 mph33 km/h | 38% | 0% | 2 |
| Sat 12p | Sunny | 45°7° (likely 45°7° to 49°9°) | 40°4° | 0% | 10 mph16 km/h from N, gusts 17 mph28 km/h | 32% | 0% | 3 |
| Sat 1p | Sunny | 47°8° (likely 47°8° to 51°11°) | 42°6° | 0% | 10 mph16 km/h from N, gusts 15 mph24 km/h | 26% | 0% | 3 |
| Sat 2p | Sunny | 49°9° (likely 49°9° to 51°11°) | 45°7° | 0% | 9 mph14 km/h from N, gusts 14 mph23 km/h | 23% | 1% | 3 |
| Sat 3p | Sunny | 49°9° (likely 49°9° to 51°11°) | 46°8° | 0% | 8 mph13 km/h from N, gusts 13 mph22 km/h | 22% | 16% | 2 |
| Sat 4p | Cloudy | 48°9° (likely 48°9° to 49°9°) | 45°7° | 0% | 6 mph10 km/h from N, gusts 11 mph18 km/h | 23% | 64% | 1 |
| Sat 5p | Partly sunny | 45°7° (likely 45°7° to 48°9°) | 44°7° | 0% | 5 mph8 km/h from NE, gusts 8 mph13 km/h | 25% | 38% | 0 |
| Sat 6p | Cloudy | 43°6° (likely 43°6° to 45°7°) | 43°6° | 0% | 2 mph3 km/h from NE, gusts 6 mph10 km/h | 30% | 76% | 0 |
| Sat 7p | Cloudy | 41°5° (likely 41°5° to 43°6°) | 41°5° | 0% | 1 mph2 km/h from N, gusts 8 mph13 km/h | 33% | 79% | 0 |
| Sat 8p | Mostly cloudy | 40°4° (likely 40°4° to 42°6°) | 40°4° | 0% | 2 mph3 km/h from W, gusts 8 mph12 km/h | 34% | 71% | 0 |
| Sat 9p | Cloudy | 40°4° (likely 40°4° to 42°6°) | 38°3° | 0% | 3 mph5 km/h from SW, gusts 8 mph13 km/h | 36% | 80% | 0 |
| Sat 10p | Cloudy | 40°4° (likely 40°4° to 42°6°) | 38°3° | 0% | 3 mph5 km/h from SW, gusts 9 mph14 km/h | 37% | 80% | 0 |
| Sat 11p | Cloudy | 40°4° (likely 40°4° to 41°5°) | 37°3° | 0% | 5 mph8 km/h from SW, gusts 10 mph15 km/h | 37% | 77% | 0 |
| Sun 12a | Mostly cloudy | 39°4° (likely 39°4° to 41°5°) | 36°2° | 5% | 5 mph8 km/h from SW, gusts 10 mph15 km/h | 39% | 70% | 0 |
| Sun 1a | Mostly cloudy | 39°4° (likely 38°3° to 41°5°) | 36°2° | 5% | 5 mph8 km/h from S, gusts 9 mph15 km/h | 40% | 65% | 0 |
| Sun 2a | Cloudy | 39°4° (likely 38°3° to 41°5°) | 36°2° | 5% | 5 mph8 km/h from S, gusts 9 mph15 km/h | 42% | 73% | 0 |
| Sun 3a | Cloudy | 39°4° (likely 37°3° to 41°5°) | 36°2° | 5% | 5 mph8 km/h from S, gusts 8 mph14 km/h | 42% | 62% | 0 |
| Sun 4a | Mostly cloudy | 39°4° (likely 37°3° to 41°5°) | 36°2° | 5% | 5 mph8 km/h from S, gusts 8 mph14 km/h | 44% | 72% | 0 |
| Sun 5a | Cloudy | 38°3° (likely 38°3° to 41°5°) | 34°1° | 5% | 5 mph8 km/h from S, gusts 10 mph16 km/h | 48% | 84% | 0 |
| Sun 6a | Cloudy | 36°2° (likely 36°2° to 41°5°) | 33°1° | 20% | 3 mph5 km/h from S, gusts 13 mph20 km/h | 56% | 87% | 0 |
| Sun 7a | Cloudy | 36°2° (likely 36°2° to 42°6°) | 33°1° | 20% | 3 mph5 km/h from S, gusts 12 mph19 km/h | 59% | 91% | 0 |
| Sun 8a | Cloudy | 36°2° (likely 36°2° to 42°6°) | 32°0° | 20% | 5 mph8 km/h from SE, gusts 13 mph21 km/h | 64% | 97% | 0 |
| Sun 9a | Rain | 38°3° (likely 38°3° to 42°6°) | 34°1° | 20% | 5 mph8 km/h from SE, gusts 12 mph20 km/h | 67% | 100% | 0 |
| Sun 10a | Cloudy | 39°4° (likely 38°3° to 42°6°) | 36°2° | 20% | 5 mph8 km/h from SE, gusts 10 mph15 km/h | 70% | 100% | 1 |
| Sun 11a | Cloudy | 39°4° (likely 37°3° to 42°6°) | 35°2° | 20% | 6 mph10 km/h from SE, gusts 10 mph15 km/h | 76% | 100% | 1 |
| Sun 12p | Cloudy | 39°4° (likely 37°3° to 42°6°) | 35°2° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from SE, gusts 11 mph18 km/h | 79% | 100% | 0 |
| Sun 1p | Cloudy | 39°4° (likely 36°2° to 42°6°) | 35°2° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from E, gusts 10 mph15 km/h | 76% | 100% | 0 |
| Sun 2p | Cloudy | 40°4° (likely 36°2° to 42°6°) | 36°2° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from E, gusts 10 mph16 km/h | 76% | 100% | 1 |
| Sun 3p | Cloudy | 40°4° (likely 35°2° to 41°5°) | 36°2° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from E, gusts 9 mph15 km/h | 76% | 100% | 1 |
| Sun 4p | Drizzle | 40°4° (likely 35°2° to 41°5°) | 36°2° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from E, gusts 9 mph15 km/h | 76% | 100% | 1 |
| Sun 5p | Drizzle | 39°4° (likely 35°2° to 40°4°) | 35°2° | 70%, 0.07 in1.8 mm | 6 mph10 km/h from E, gusts 9 mph15 km/h | 76% | 100% | 0 |
| Sun 6p | Snow | 37°3° (likely 35°2° to 39°4°) | 33°1° | 90%, 0.01 in0.3 mm | 5 mph8 km/h from E, gusts 9 mph14 km/h | 89% | 100% | 0 |
| Sun 7p | Drizzle | 36°2° (likely 35°2° to 38°3°) | 32°0° | 90%, 0.01 in0.3 mm | 5 mph8 km/h from E, gusts 10 mph16 km/h | 92% | 100% | 0 |
| Sun 8p | Drizzle | 36°2° (likely 35°2° to 38°3°) | 32°0° | 90%, 0.01 in0.3 mm | 5 mph8 km/h from E, gusts 10 mph15 km/h | 92% | 100% | 0 |
| Sun 9p | Drizzle | 36°2° (likely 35°2° to 37°3°) | 32°0° | 90%, 0.01 in0.3 mm | 5 mph8 km/h from E, gusts 8 mph13 km/h | 96% | 100% | 0 |
| Sun 10p | Drizzle | 36°2° (likely 34°1° to 37°3°) | 32°0° | 90%, 0.01 in0.3 mm | 5 mph8 km/h from E, gusts 9 mph14 km/h | 96% | 100% | 0 |
| Sun 11p | Snow | 36°2° (likely 34°1° to 36°2°) | 33°1° | 90%, 0.01 in0.3 mm | 3 mph5 km/h from E, gusts 8 mph13 km/h | 96% | 100% | 0 |
| Mon 12a | Snow | 36°2° (likely 34°1° to 36°2°) | 33°1° | 80%, 0.01 in0.3 mm | 3 mph5 km/h from E, gusts 8 mph13 km/h | 96% | 100% | 0 |
| Mon 1a | Snow | 36°2° (likely 34°1° to 36°2°) | 33°1° | 80%, 0.01 in0.3 mm | 3 mph5 km/h from E, gusts 8 mph13 km/h | 96% | 100% | 0 |
| Mon 2a | Fog | 35°2° (likely 34°1° to 35°2°) | 32°0° | 80%, 0.01 in0.3 mm | 3 mph5 km/h from E, gusts 7 mph12 km/h | 96% | 100% | 0 |
| Mon 3a | Snow | 35°2° (likely 33°1° to 35°2°) | 32°0° | 80%, 0.01 in0.3 mm | 3 mph5 km/h from E, gusts 6 mph10 km/h | 96% | 100% | 0 |
| Mon 4a | Fog | 34°1° (likely 33°1° to 35°2°) | 31°−1° | 80%, 0.01 in0.3 mm | 3 mph5 km/h from E, gusts 7 mph12 km/h | 100% | 99% | 0 |
| Mon 5a | Snow | 34°1° (likely 33°1° to 35°2°) | 31°−1° | 80%, 0.01 in0.3 mm | 3 mph5 km/h from E, gusts 7 mph11 km/h | 96% | 100% | 0 |
| Mon 6a | Drizzle | 33°1° (likely 33°1° to 35°2°) | 30°−1° | 60%, 0.05 in1.3 mm | 3 mph5 km/h from E, gusts 6 mph10 km/h | 100% | 100% | 0 |
| Mon 7a | Snow | 33°1° (likely 33°1° to 35°2°) | 30°−1° | 60%, 0.05 in1.3 mm | 3 mph5 km/h from E, gusts 5 mph8 km/h | 100% | 99% | 0 |
| Mon 8a | Snow | 34°1° (likely 33°1° to 34°1°) | 31°−1° | 60%, 0.05 in1.3 mm | 3 mph5 km/h from E, gusts 6 mph9 km/h | 96% | 100% | 0 |
| Mon 9a | Snow | 34°1° (likely 33°1° to 34°1°) | 31°−1° | 60%, 0.05 in1.3 mm | 3 mph5 km/h from E, gusts 6 mph9 km/h | 96% | 100% | 0 |
| Mon 10a | Snow | 35°2° (likely 33°1° to 35°2°) | 32°0° | 60%, 0.05 in1.3 mm | 3 mph5 km/h from E, gusts 6 mph9 km/h | 96% | 100% | 0 |
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Sunny. High near 50, with temperatures falling to around 45 in the afternoon. North wind 5 to 12 mph, with gusts as high as 26 mph.
Tonight: Mostly cloudy. Low around 35, with temperatures rising to around 38 overnight. Southwest wind 1 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
20% chance
Afternoon
noon–6 PM
70% chance · 0.42 in11 mm
Evening
6 PM–midnight
90% chance · 0.06 in1.5 mm
Overnight
midnight–6 AM
80% chance · 0.06 in1.5 mm
Official NWS forecast
Day: A slight chance of snow before 9am, then rain likely. Cloudy. High near 41, with temperatures falling to around 39 in the afternoon. Southeast wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Night: Rain and snow. Cloudy, with a low around 33. East wind around 5 mph. Chance of precipitation is 90%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
90% chance · 0.4 in1 cm
Afternoon
noon–6 PM
90% chance · 1.4 in3.7 cm
Evening
6 PM–midnight
60% chance · 0.1 in0.3 cm
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Snow likely before 8am, then rain and snow likely. Cloudy, with a high near 37. East wind around 3 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.
Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 33. Southeast wind around 6 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
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 54.
Night: Partly cloudy, with a low around 38.
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 56.
Night: Partly cloudy, with a low around 36.
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 56.
Night: Partly cloudy, with a low around 39.
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: Partly sunny, with a high near 55.
Night: A slight chance of rain and snow. Partly cloudy, with a low around 39.
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
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
Dry
Afternoon
noon–6 PM
20% chance · 0.08 in2.1 mm
Evening
6 PM–midnight
20% 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.
Dry, high 50°, low 35°.
71% chance of snow, high 41°, low 33°, cooling off.
64% chance of snow, high 37°, low 33°, cooling off.
Mostly dry, highs 48–56°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (UNR) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 9:45 AM · NWS gauge page
Reading from Sat 9:45 AM · NWS gauge page
Reading from Sat 10:10 AM · NWS gauge page
Reading from Sat 9:30 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 65% 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 22°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 5°3° colder than typical.
On average 13°7° warmer than normal (daily mean temperature).
Blackhawk weather by month: normals, records, snow and freeze dates
Sunrise 7:19 AM, sunset 5:54 PM.
Clouds most of the night (about 75% cover).
Waxing gibbous
97% lit · growing