James River at Huron
21 mi- Level
- 9.5 ft
- Flow
- 368 cfs
Reading from Sat 10 PM · NWS gauge page
Observed 11:30 PM CDT at KHON
Shamrock Colony, SD weather
Clear and 39°4°, rain tomorrow ~1–10 PM (99%).
Today: low 38°3° (likely 38°3° to 45°7°), high 68°20° (likely 67°19° to 69°21°).
Now 39°4°
Clear
- Wind
- Calm
- Up to 5 mph8 km/h through 11 AM
- Dew point
- 36°2°
- Comfortable
- UV tomorrow
- 1Low
- Low all day (peak 1)
- Pressure
- 30.37 inHg1028 hPa
- Rising slowly · +0.03 inHg+1.0 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
26°14° cooler than this time yesterday (68°20° then, 42°6° now)
Good hours for
TonightDown to 38°3° by 5 AM · Partly cloudy
Tomorrow morningUp to 47°8° by 11 AM · rain chance 20% · Cloudy
Tomorrow afternoonNear 48°9° · Rain 1–6 PM (80%)
Tomorrow nightDown to 38°3° by 5 AM · Rain all night (100%)
Monday morningUp to 42°6° by 11 AM · Rain all morning (100%)
Monday afternoonNear 43°6° · Rain all afternoon (100%)
Monday nightNear 42°6° · Rain all night (100%)
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 11p | Cloudy | 43°6° (likely 41°5° to 46°8°) | 40°4° | 0% | 5 mph8 km/h from N, gusts 5 mph8 km/h | 73% | 83% | 0 |
| Sun 12a | Clear | 43°6° (likely 40°4° to 45°7°) | 41°5° | 0% | 5 mph8 km/h from NNE, gusts 5 mph8 km/h | 70% | 34% | 0 |
| Sun 1a | Partly cloudy | 42°6° (likely 39°4° to 44°7°) | 40°4° | 0% | 5 mph8 km/h from NNE, gusts 7 mph11 km/h | 70% | 31% | 0 |
| Sun 2a | Partly cloudy | 40°4° (likely 38°3° to 43°6°) | 38°3° | 0% | 5 mph8 km/h from NE, gusts 7 mph12 km/h | 73% | 31% | 0 |
| Sun 3a | Partly cloudy | 40°4° (likely 37°3° to 43°6°) | 37°3° | 0% | 5 mph8 km/h from NE, gusts 8 mph12 km/h | 70% | 32% | 0 |
| Sun 4a | Cloudy | 39°4° (likely 37°3° to 43°6°) | 36°2° | 0% | 5 mph8 km/h from NE, gusts 8 mph13 km/h | 70% | 77% | 0 |
| Sun 5a | Cloudy | 38°3° (likely 38°3° to 44°7°) | 34°1° | 0% | 5 mph8 km/h from ENE, gusts 9 mph14 km/h | 73% | 80% | 0 |
| Sun 6a | Cloudy | 40°4° (likely 38°3° to 45°7°) | 36°2° | 0% | 5 mph8 km/h from ENE, gusts 8 mph13 km/h | 67% | 82% | 0 |
| Sun 7a | Cloudy | 40°4° (likely 40°4° to 46°8°) | 36°2° | 5% | 5 mph8 km/h from ENE, gusts 9 mph15 km/h | 67% | 88% | 0 |
| Sun 8a | Cloudy | 40°4° (likely 40°4° to 47°8°) | 36°2° | 10% | 5 mph8 km/h from ENE, gusts 9 mph15 km/h | 67% | 87% | 0 |
| Sun 9a | Cloudy | 42°6° (likely 41°5° to 47°8°) | 38°3° | 10% | 5 mph8 km/h from ENE, gusts 10 mph16 km/h | 65% | 91% | 0 |
| Sun 10a | Cloudy | 46°8° (likely 43°6° to 48°9°) | 42°6° | 20% | 5 mph8 km/h from ENE, gusts 9 mph15 km/h | 58% | 100% | 0 |
| Sun 11a | Cloudy | 47°8° (likely 43°6° to 50°10°) | 44°7° | 20% | 5 mph8 km/h from ENE, gusts 9 mph14 km/h | 56% | 100% | 0 |
| Sun 12p | Cloudy | 48°9° (likely 44°7° to 51°11°) | 45°7° | 20% | 5 mph8 km/h from ENE, gusts 9 mph14 km/h | 56% | 100% | 1 |
| Sun 1p | Showers | 48°9° (likely 43°6° to 51°11°) | 44°7° | 40%, 0.09 in2.3 mm | 10 mph16 km/h from E, gusts 12 mph19 km/h | 54% | 100% | 0 |
| Sun 2p | Drizzle | 49°9° (likely 43°6° to 50°10°) | 46°8° | 50%, 0.09 in2.3 mm | 10 mph16 km/h from E, gusts 11 mph18 km/h | 54% | 100% | 0 |
| Sun 3p | Drizzle | 48°9° (likely 43°6° to 49°9°) | 44°7° | 60%, 0.09 in2.3 mm | 10 mph16 km/h from ENE, gusts 12 mph20 km/h | 58% | 100% | 0 |
| Sun 4p | Rain | 48°9° (likely 42°6° to 48°9°) | 44°7° | 70%, 0.09 in2.3 mm | 10 mph16 km/h from ENE, gusts 14 mph22 km/h | 58% | 100% | 0 |
| Sun 5p | Drizzle | 48°9° (likely 44°7° to 48°9°) | 44°7° | 80%, 0.09 in2.3 mm | 10 mph16 km/h from ENE, gusts 13 mph21 km/h | 58% | 100% | 0 |
| Sun 6p | Drizzle | 47°8° (likely 43°6° to 47°8°) | 43°6° | 80%, 0.09 in2.3 mm | 10 mph16 km/h from ENE, gusts 16 mph26 km/h | 63% | 100% | 0 |
| Sun 7p | Rain | 45°7° (likely 42°6° to 45°7°) | 40°4° | 60%, 0.12 in3 mm | 10 mph16 km/h from ENE, gusts 19 mph30 km/h | 70% | 100% | 0 |
| Sun 8p | Drizzle | 43°6° (likely 42°6° to 44°7°) | 38°3° | 80%, 0.12 in3 mm | 10 mph16 km/h from ENE, gusts 17 mph27 km/h | 73% | 100% | 0 |
| Sun 9p | Drizzle | 42°6° (likely 42°6° to 44°7°) | 36°2° | 100%, 0.12 in3 mm | 10 mph16 km/h from ENE, gusts 19 mph31 km/h | 79% | 100% | 0 |
| Sun 10p | Drizzle | 42°6° (likely 41°5° to 43°6°) | 36°2° | 70%, 0.12 in3 mm | 10 mph16 km/h from ENE, gusts 17 mph28 km/h | 79% | 100% | 0 |
| Sun 11p | Drizzle | 41°5° (likely 40°4° to 43°6°) | 35°2° | 60%, 0.12 in3 mm | 10 mph16 km/h from ENE, gusts 17 mph27 km/h | 82% | 100% | 0 |
| Mon 12a | Rain | 41°5° (likely 40°4° to 43°6°) | 35°2° | 50%, 0.12 in3 mm | 10 mph16 km/h from ENE, gusts 14 mph22 km/h | 86% | 100% | 0 |
| Mon 1a | Drizzle | 41°5° (likely 40°4° to 43°6°) | 35°2° | 70%, 0.2 in5.1 mm | 10 mph16 km/h from ENE, gusts 15 mph24 km/h | 86% | 100% | 0 |
| Mon 2a | Drizzle | 41°5° (likely 40°4° to 43°6°) | 34°1° | 70%, 0.2 in5.1 mm | 15 mph24 km/h from ENE, gusts 16 mph26 km/h | 82% | 100% | 0 |
| Mon 3a | Showers | 41°5° (likely 40°4° to 43°6°) | 34°1° | 60%, 0.2 in5.1 mm | 15 mph24 km/h from ENE, gusts 18 mph29 km/h | 82% | 100% | 0 |
| Mon 4a | Drizzle | 39°4° (likely 39°4° to 43°6°) | 31°−1° | 90%, 0.2 in5.1 mm | 15 mph24 km/h from ENE, gusts 18 mph30 km/h | 89% | 100% | 0 |
| Mon 5a | Drizzle | 38°3° (likely 38°3° to 43°6°) | 29°−2° | 90%, 0.2 in5.1 mm | 15 mph24 km/h from ENE, gusts 20 mph32 km/h | 92% | 100% | 0 |
| Mon 6a | Drizzle | 38°3° (likely 38°3° to 43°6°) | 29°−2° | 100%, 0.2 in5.1 mm | 15 mph24 km/h from ENE, gusts 21 mph33 km/h | 96% | 100% | 0 |
| Mon 7a | Cloudy | 38°3° (likely 38°3° to 43°6°) | 29°−2° | 100%, 0.43 in11 mm | 15 mph24 km/h from ENE, gusts 23 mph37 km/h | 96% | 100% | 0 |
| Mon 8a | Rain | 35°2° (likely 35°2° to 42°6°) | 25°−4° | 100%, 0.43 in11 mm | 15 mph24 km/h from ENE, gusts 23 mph37 km/h | 100% | 100% | 0 |
| Mon 9a | Showers | 37°3° (likely 37°3° to 42°6°) | 28°−2° | 100%, 0.43 in11 mm | 15 mph24 km/h from ENE, gusts 25 mph40 km/h | 100% | 100% | 0 |
| Mon 10a | Drizzle | 41°5° (likely 39°4° to 42°6°) | 32°0° | 100%, 0.43 in11 mm | 15 mph24 km/h from ENE, gusts 22 mph36 km/h | 93% | 100% | 0 |
| Mon 11a | Drizzle | 42°6° (likely 39°4° to 42°6°) | 34°1° | 100%, 0.43 in11 mm | 15 mph24 km/h from ENE, gusts 22 mph36 km/h | 89% | 100% | 0 |
| Mon 12p | Drizzle | 42°6° (likely 39°4° to 43°6°) | 34°1° | 100%, 0.43 in11 mm | 15 mph24 km/h from ENE, gusts 24 mph38 km/h | 89% | 100% | 0 |
| Mon 1p | Drizzle | 42°6° (likely 39°4° to 43°6°) | 34°1° | 100%, 0.45 in11 mm | 15 mph24 km/h from ENE, gusts 25 mph40 km/h | 89% | 100% | 0 |
| Mon 2p | Showers | 42°6° (likely 39°4° to 42°6°) | 34°1° | 100%, 0.45 in11 mm | 15 mph24 km/h from ENE, gusts 22 mph35 km/h | 89% | 100% | 0 |
| Mon 3p | Rain | 43°6° (likely 39°4° to 43°6°) | 35°2° | 100%, 0.45 in11 mm | 15 mph24 km/h from ENE, gusts 25 mph40 km/h | 86% | 100% | 0 |
| Mon 4p | Rain | 44°7° (likely 39°4° to 44°7°) | 36°2° | 100%, 0.45 in11 mm | 15 mph24 km/h from ENE, gusts 22 mph35 km/h | 82% | 100% | 0 |
| Mon 5p | Rain | 43°6° (likely 39°4° to 43°6°) | 35°2° | 100%, 0.45 in11 mm | 15 mph24 km/h from ENE, gusts 23 mph37 km/h | 86% | 100% | 0 |
| Mon 6p | Rain | 43°6° (likely 38°3° to 43°6°) | 35°2° | 100%, 0.45 in11 mm | 15 mph24 km/h from ENE, gusts 25 mph40 km/h | 89% | 100% | 0 |
| Mon 7p | Rain | 42°6° (likely 38°3° to 42°6°) | 34°1° | 100%, 0.24 in6.1 mm | 15 mph24 km/h from ENE, gusts 25 mph40 km/h | 93% | 100% | 0 |
| Mon 8p | Rain | 41°5° (likely 40°4° to 42°6°) | 33°1° | 100%, 0.24 in6.1 mm | 15 mph24 km/h from ENE, gusts 22 mph36 km/h | 96% | 100% | 0 |
| Mon 9p | Rain | 41°5° (likely 40°4° to 43°6°) | 33°1° | 100%, 0.24 in6.1 mm | 15 mph24 km/h from ENE, gusts 22 mph36 km/h | 100% | 100% | 0 |
| Mon 10p | Showers | 41°5° (likely 41°5° to 43°6°) | 33°1° | 100%, 0.24 in6.1 mm | 15 mph24 km/h from ENE, gusts 23 mph36 km/h | 100% | 100% | 0 |
Days ahead
Tap a day for its hours and the official wording.
Today, Oct 24. Drizzle. High 68°20°, low 38°3°. Rain 0.07 in1.8 mm, 50% chance. Mostly agree.
Overnight
midnight–6 AM
Partly cloudy, 38°3°Dry
Official NWS forecast
Tonight: Mostly cloudy, with a low around 38. North northeast wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 67°19°–69°21°
- Low, likely
- 38°3°–45°7°
- Wind
- 23 mph37 km/h, gusts 38 mph61 km/h
- UV peak
- 3
Tomorrow, Oct 25. Rain. High 50°10°, low 34°1°. Rain 0.26 in6.6 mm, 80% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 40°4°20% chance
Afternoon
noon–6 PM
Rain, 49°9°80% chance · 0.45 in11 mm
Evening
6 PM–midnight
Rain, 43°6°100% chance · 0.69 in18 mm
Overnight
midnight–6 AM
Rain, 38°3°90% chance · 1.1 in28 mm
Official NWS forecast
Day: Rain showers after 10am. Cloudy, with a high near 50. East northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Night: Rain showers. Cloudy. Low around 34, with temperatures rising to around 38 overnight. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 46°8°–51°11°
- Low, likely
- 34°1°–43°6°
- Wind
- 12 mph19 km/h, gusts 21 mph34 km/h
Monday, Oct 26. Showers. High 45°7°, low 35°2°. Rain 1.1 in27 mm, 100% chance. Mostly agree.
Morning
6 AM–noon
Rain, 35°2°100% chance · 2.4 in60 mm
Afternoon
noon–6 PM
Rain, 44°7°100% chance · 2.7 in68 mm
Evening
6 PM–midnight
Rain, 41°5°100% chance · 1.5 in38 mm
Overnight
midnight–6 AM
Rain, 43°6°100% chance · 0.19 in4.7 mm
Official NWS forecast
Day: Rain showers. Cloudy, with a high near 45. East northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Night: Rain showers before 7pm, then showers and thunderstorms. Cloudy. Low around 35, with temperatures rising to around 38 overnight. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 42°6°–45°7°
- Low, likely
- 35°2°–42°6°
- Wind
- 18 mph29 km/h, gusts 31 mph49 km/h
Tuesday, Oct 27. Showers. High 54°12°, low 40°4°. Rain 0.23 in5.8 mm, 50% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 41°5°50% chance
Afternoon
noon–6 PM
Sunny, 52°11°Dry
Evening
6 PM–midnight
Clear, 50°10°20% chance · 0.02 in0.4 mm
Overnight
midnight–6 AM
Clear, 44°7°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 54. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Night: A slight chance of rain showers before 1am. Mostly cloudy, with a low around 40.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 50°10°–57°14°
- Low, likely
- 39°4°–42°6°
- Wind
- 17 mph28 km/h, gusts 33 mph53 km/h
- UV peak
- 4
Wednesday, Oct 28. Partly sunny. High 61°16°, low 39°4°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 42°5°Dry
Afternoon
noon–6 PM
Cloudy, 58°14°Dry
Evening
6 PM–midnight
Cloudy, 50°10°Dry
Overnight
midnight–6 AM
Cloudy, 42°6°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61.
Night: Mostly clear, with a low around 39.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 54°12°–62°17°
- Low, likely
- 37°3°–46°8°
- Wind
- 14 mph22 km/h, gusts 33 mph54 km/h
- UV peak
- 3
Thursday, Oct 29. Partly sunny. High 63°17°, low 46°8°. Dry. Mostly agree. Best day outdoors this week.
Morning
6 AM–noon
Partly sunny, 41°5°Dry
Afternoon
noon–6 PM
Mostly sunny, 60°15°Dry
Evening
6 PM–midnight
Partly cloudy, 53°11°Dry
Overnight
midnight–6 AM
Cloudy, 51°11°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 46.
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 63°17°).
- High, likely
- 58°14°–63°17°
- Low, likely
- 37°3°–46°8°
- Wind
- 13 mph21 km/h, gusts 32 mph51 km/h
- UV peak
- 3
Friday, Oct 30. Mostly cloudy. High 65°18°, low 47°8°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 51°11°Dry
Afternoon
noon–6 PM
Cloudy, 61°16°Dry
Evening
6 PM–midnight
Cloudy, 55°13°Dry
Overnight
midnight–6 AM
Cloudy, 54°12°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 1pm. Partly sunny, with a high near 65.
Night: A chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 59°15°–65°18°
- Low, likely
- 44°7°–51°11°
- Wind
- 15 mph24 km/h, gusts 28 mph45 km/h
- UV peak
- 1
Saturday, Oct 31. Showers. High 61°16°, low 51°11°. Rain 0.38 in9.7 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 55°13°20% chance · 0.04 in1.1 mm
Afternoon
noon–6 PM
Showers, 60°15°40% chance · 0.11 in2.7 mm
Evening
6 PM–midnight
Showers, 57°14°40% chance · 0.21 in5.3 mm
Overnight
midnight–6 AM
Cloudy, 51°10°40% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 54°12°–66°19°
- Low, likely
- 45°7°–58°14°
- Wind
- 17 mph28 km/h, gusts 30 mph49 km/h
- UV peak
- 2
Sunday, Nov 1. Drizzle. High 57°14°, low 48°9°. Rain 0.06 in1.5 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 50°10°30% chance
Afternoon
noon–6 PM
Partly sunny, 58°14°Dry
Evening
6 PM–midnight
Partly cloudy, 52°11°Dry
Overnight
midnight–6 AM
Clear, 46°8°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
- 44°7°–65°18°
- Low, likely
- 35°2°–56°13°
- Wind
- 15 mph24 km/h, gusts 27 mph43 km/h
- UV peak
- 3
Monday, Nov 2. Partly sunny. High 58°14°, low 43°6°. Rain 0.24 in6.1 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 48°9°20% chance · 0.05 in1.2 mm
Afternoon
noon–6 PM
Sunny, 58°15°30% chance · 0.01 in0.3 mm
Evening
6 PM–midnight
Partly cloudy, 49°10°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.
- High, likely
- 53°12°–65°18°
- Low, likely
- 32°0°–48°9°
- Wind
- 28 mph45 km/h, gusts 52 mph83 km/h
- UV peak
- 3
The outlook
Today
52% chance of rain, high 68°, low 38°.
Tomorrow
79% chance of rain, high 50°, low 34°, cooling off.
Monday
99% chance of rain, high 45°, low 35°, cooling off.
Rest of week
Highs 54–65°; chance of precipitation on Tuesday, Saturday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (FSD) (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
Sun & moon
Sun
Sunrise 7:59 AM, sunset 6:32 PM.
- Daylight
- 10 h 33 min
- Losing 2 min 53 s a day; shortest Dec 21, 1 h 45 min less
- Golden hour
- 5:51–6:50 PM
- Morning 7:40–8:39 AM
- Blue hour
- 6:50–7:02 PM
- Morning 7:29–7:40 AM; first light 7:29 AM
Stars tonight? Poor
Clouds most of the night (about 60% cover).
Moon
Waxing gibbous
99% lit · growing
- Today
- sets 6:12 AM · rises 5:31 PM
- Full moon
- Oct 25
- New moon
- Nov 9
