Observed 7:35 PM CDT at KONL

Bonesteel, SD weather

Rainy and 44°7°, rain tomorrow ~2 AM–7 PM (100%).

Forecasts agree

Now 44°7°

Rain · Feels like 40°4°

Wind: 7 mph11 km/h; From the north. 58–7 mph11 km/h through 8 AM
Dew point: 41°5°; Comfortable
Humidity: 90%; Air 44°7°, dew point 41°5° · fog or dew likely
UV tomorrow: 1Low; Low all day (peak 1)
Pressure: 30.35 inHg1028 hPa; Rising slowly · +0.02 inHg+0.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

27°15° cooler than this time yesterday (71°22° then, 44°7° now)

Good hours for

Dry until midnight
Rain tonight from midnight (100%, 9.1 in231 mm)
Low 40°4° tomorrow at 8 AM

TonightDown to 43°6° by 5 AM · Rain midnight–6 AM (80%)
Tomorrow morningNear 44°7° · Rain all morning (90%)
Tomorrow afternoonNear 46°8° · Rain all afternoon (70%)
Tomorrow nightDown to 40°4° by 5 AM · Rain all night (100%)
Monday morningUp to 44°7° by 11 AM · Rain all morning (90%)
Monday afternoonNear 47°8° · Rain all afternoon (100%)

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 8p	Cloudy	47°8° (likely 44°7° to 48°9°)	45°7°	10%, 0.02 in0.5 mm	5 mph8 km/h from N, gusts 8 mph13 km/h	71%	100%	0
Sat 9p	Cloudy	47°8° (likely 46°8° to 48°9°)	45°7°	10%, 0.02 in0.5 mm	5 mph8 km/h from N, gusts 7 mph12 km/h	71%	100%	0
Sat 10p	Cloudy	47°8° (likely 46°8° to 47°8°)	46°8°	10%, 0.02 in0.5 mm	5 mph8 km/h from N, gusts 6 mph10 km/h	71%	100%	0
Sat 11p	Cloudy	47°8° (likely 46°8° to 47°8°)	46°8°	10%, 0.02 in0.5 mm	5 mph8 km/h from N, gusts 6 mph10 km/h	71%	100%	0
Sun 12a	Cloudy	47°8° (likely 46°8° to 47°8°)	46°8°	20%, 0.02 in0.5 mm	5 mph8 km/h from NNE, gusts 7 mph11 km/h	74%	95%	0
Sun 1a	Cloudy	47°8° (likely 45°7° to 47°8°)	46°8°	40%, 0.07 in1.8 mm	5 mph8 km/h from NNE, gusts 5 mph8 km/h	74%	100%	0
Sun 2a	Cloudy	46°8° (likely 45°7° to 47°8°)	44°7°	50%, 0.07 in1.8 mm	5 mph8 km/h from NE, gusts 7 mph11 km/h	73%	100%	0
Sun 3a	Cloudy	45°7° (likely 45°7° to 46°8°)	43°6°	60%, 0.07 in1.8 mm	5 mph8 km/h from NE, gusts 9 mph14 km/h	79%	100%	0
Sun 4a	Cloudy	45°7° (likely 45°7° to 47°8°)	42°6°	70%, 0.07 in1.8 mm	5 mph8 km/h from NE, gusts 8 mph13 km/h	79%	100%	0
Sun 5a	Cloudy	43°6° (likely 43°6° to 47°8°)	39°4°	80%, 0.07 in1.8 mm	5 mph8 km/h from ENE, gusts 7 mph11 km/h	86%	100%	0
Sun 6a	Showers	42°6° (likely 42°6° to 46°8°)	38°3°	80%, 0.07 in1.8 mm	5 mph8 km/h from NE, gusts 9 mph14 km/h	93%	100%	0
Sun 7a	Cloudy	42°6° (likely 42°6° to 46°8°)	38°3°	90%, 0.06 in1.5 mm	5 mph8 km/h from NE, gusts 7 mph11 km/h	96%	100%	0
Sun 8a	Drizzle	40°4° (likely 40°4° to 46°8°)	35°2°	90%, 0.06 in1.5 mm	5 mph8 km/h from NE, gusts 10 mph15 km/h	100%	100%	0
Sun 9a	Drizzle	42°6° (likely 42°6° to 46°8°)	38°3°	90%, 0.06 in1.5 mm	5 mph8 km/h from NE, gusts 10 mph16 km/h	100%	100%	0
Sun 10a	Rain	44°7° (likely 44°7° to 46°8°)	39°4°	70%, 0.06 in1.5 mm	10 mph16 km/h from NE, gusts 10 mph17 km/h	100%	100%	0
Sun 11a	Drizzle	45°7° (likely 44°7° to 46°8°)	40°4°	40%, 0.06 in1.5 mm	10 mph16 km/h from NE, gusts 12 mph19 km/h	96%	100%	0
Sun 12p	Showers	45°7° (likely 44°7° to 47°8°)	40°4°	40%, 0.06 in1.5 mm	10 mph16 km/h from NE, gusts 13 mph21 km/h	100%	100%	0
Sun 1p	Cloudy	45°7° (likely 44°7° to 47°8°)	40°4°	70%, 0.13 in3.3 mm	10 mph16 km/h from NE, gusts 14 mph23 km/h	100%	100%	1
Sun 2p	Showers	46°8° (likely 44°7° to 48°9°)	41°5°	70%, 0.13 in3.3 mm	10 mph16 km/h from NE, gusts 14 mph23 km/h	96%	100%	1
Sun 3p	Showers	46°8° (likely 44°7° to 48°9°)	41°5°	60%, 0.13 in3.3 mm	10 mph16 km/h from NE, gusts 13 mph21 km/h	96%	100%	0
Sun 4p	Showers	46°8° (likely 43°6° to 47°8°)	41°5°	50%, 0.13 in3.3 mm	10 mph16 km/h from NE, gusts 14 mph23 km/h	96%	100%	0
Sun 5p	Drizzle	46°8° (likely 43°6° to 47°8°)	41°5°	60%, 0.13 in3.3 mm	10 mph16 km/h from NE, gusts 17 mph27 km/h	96%	100%	0
Sun 6p	Drizzle	47°8° (likely 42°6° to 47°8°)	42°6°	80%, 0.13 in3.3 mm	10 mph16 km/h from NE, gusts 17 mph27 km/h	89%	100%	0
Sun 7p	Drizzle	45°7° (likely 42°6° to 45°7°)	40°4°	50%, 0.21 in5.3 mm	10 mph16 km/h from NE, gusts 18 mph28 km/h	96%	100%	0
Sun 8p	Drizzle	44°7° (likely 41°5° to 45°7°)	38°3°	50%, 0.21 in5.3 mm	10 mph16 km/h from NE, gusts 19 mph31 km/h	96%	100%	0
Sun 9p	Rain	43°6° (likely 40°4° to 44°7°)	36°2°	80%, 0.21 in5.3 mm	15 mph24 km/h from NE, gusts 20 mph32 km/h	100%	100%	0
Sun 10p	Drizzle	43°6° (likely 39°4° to 44°7°)	36°2°	80%, 0.21 in5.3 mm	15 mph24 km/h from NE, gusts 19 mph30 km/h	100%	100%	0
Sun 11p	Rain	42°6° (likely 39°4° to 44°7°)	35°2°	80%, 0.21 in5.3 mm	15 mph24 km/h from NE, gusts 19 mph31 km/h	100%	100%	0
Mon 12a	Drizzle	42°6° (likely 38°3° to 43°6°)	35°2°	100%, 0.21 in5.3 mm	15 mph24 km/h from NE, gusts 20 mph33 km/h	100%	100%	0
Mon 1a	Drizzle	42°6° (likely 39°4° to 43°6°)	35°2°	100%, 0.42 in11 mm	15 mph24 km/h from NE, gusts 19 mph31 km/h	100%	100%	0
Mon 2a	Showers	41°5° (likely 39°4° to 42°6°)	34°1°	90%, 0.42 in11 mm	15 mph24 km/h from NE, gusts 20 mph33 km/h	100%	100%	0
Mon 3a	Rain	41°5° (likely 39°4° to 42°6°)	33°1°	100%, 0.42 in11 mm	15 mph24 km/h from NE, gusts 20 mph32 km/h	100%	100%	0
Mon 4a	Rain	41°5° (likely 39°4° to 42°6°)	33°1°	100%, 0.42 in11 mm	15 mph24 km/h from ENE, gusts 20 mph33 km/h	100%	100%	0
Mon 5a	Rain	40°4° (likely 39°4° to 42°6°)	32°0°	100%, 0.42 in11 mm	15 mph24 km/h from ENE, gusts 22 mph35 km/h	100%	100%	0
Mon 6a	Rain	40°4° (likely 39°4° to 42°6°)	32°0°	90%, 0.42 in11 mm	15 mph24 km/h from ENE, gusts 22 mph35 km/h	100%	100%	0
Mon 7a	Rain	40°4° (likely 40°4° to 42°6°)	32°0°	90%, 0.3 in7.6 mm	15 mph24 km/h from ENE, gusts 23 mph37 km/h	100%	100%	0
Mon 8a	Showers	37°3° (likely 37°3° to 42°6°)	28°−2°	90%, 0.3 in7.6 mm	15 mph24 km/h from ENE, gusts 22 mph36 km/h	100%	100%	0
Mon 9a	Rain	39°4° (likely 39°4° to 42°6°)	31°−1°	90%, 0.3 in7.6 mm	15 mph24 km/h from ENE, gusts 24 mph39 km/h	100%	100%	0
Mon 10a	Rain	43°6° (likely 40°4° to 43°6°)	36°2°	90%, 0.3 in7.6 mm	15 mph24 km/h from ENE, gusts 24 mph38 km/h	100%	100%	0
Mon 11a	Rain	44°7° (likely 40°4° to 44°7°)	37°3°	90%, 0.3 in7.6 mm	15 mph24 km/h from ENE, gusts 24 mph39 km/h	100%	100%	0
Mon 12p	Rain	45°7° (likely 40°4° to 45°7°)	38°3°	90%, 0.3 in7.6 mm	15 mph24 km/h from ENE, gusts 22 mph36 km/h	96%	100%	0
Mon 1p	Showers	46°8° (likely 41°5° to 46°8°)	39°4°	100%, 0.31 in7.9 mm	15 mph24 km/h from ENE, gusts 22 mph35 km/h	96%	100%	1
Mon 2p	Showers	47°8° (likely 41°5° to 47°8°)	41°5°	100%, 0.31 in7.9 mm	15 mph24 km/h from ENE, gusts 21 mph35 km/h	96%	100%	0
Mon 3p	Rain	48°9° (likely 41°5° to 48°9°)	42°6°	100%, 0.31 in7.9 mm	15 mph24 km/h from NE, gusts 21 mph33 km/h	96%	100%	0
Mon 4p	Rain	48°9° (likely 41°5° to 49°9°)	42°6°	100%, 0.31 in7.9 mm	15 mph24 km/h from NE, gusts 18 mph29 km/h	96%	100%	0
Mon 5p	Rain	48°9° (likely 42°6° to 50°10°)	43°6°	100%, 0.31 in7.9 mm	15 mph24 km/h from NNE, gusts 18 mph29 km/h	96%	99%	0
Mon 6p	Rain	47°8° (likely 42°6° to 50°10°)	41°5°	100%, 0.31 in7.9 mm	15 mph24 km/h from N, gusts 15 mph24 km/h	100%	100%	0
Mon 7p	Showers	47°8° (likely 42°6° to 50°10°)	41°5°	70%, 0.07 in1.8 mm	15 mph24 km/h from N, gusts 16 mph25 km/h	96%	100%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Drizzle. High 68°20°, low 40°4°. Rain 0.14 in3.6 mm, 50% chance. Forecasts agree.
1. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
2. Overnight
  midnight–6 AM
  Cloudy, 43°6°
  80% chance · 0.37 in9.4 mm
Official NWS forecast
Tonight: Rain showers after midnight. Cloudy. Low around 40, with temperatures rising to around 43 overnight. North northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–69°21°
Low, likely
40°4°–46°8°
Wind
23 mph37 km/h, gusts 42 mph68 km/h
UV peak
2
Tomorrow, Oct 25. Showers. High 47°8°, low 36°2°. Rain 0.48 in12 mm, 90% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Rain, 40°4°
  90% chance · 0.37 in9.4 mm
2. Afternoon
  noon–6 PM
  Showers, 46°8°
  70% chance · 0.71 in18 mm
3. Evening
  6 PM–midnight
  Rain, 44°7°
  80% chance · 1.2 in30 mm
4. Overnight
  midnight–6 AM
  Rain, 40°4°
  100% chance · 2.3 in59 mm
Official NWS forecast
Day: Rain showers. Cloudy, with a high near 47. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain showers. Cloudy. Low around 36, with temperatures rising to around 40 overnight. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
46°8°–48°9°
Low, likely
36°2°–43°6°
Wind
14 mph22 km/h, gusts 22 mph35 km/h
UV peak
1
Monday, Oct 26. Thunderstorms. High 49°9°, low 35°2°. Storms 1.5 in38 mm, 100% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 37°3°
  90% chance · 1.9 in49 mm
2. Afternoon
  noon–6 PM
  Rain, 48°9°
  100% chance · 1.9 in47 mm
3. Evening
  6 PM–midnight
  Rain, 46°8°
  100% chance · 0.53 in14 mm
4. Overnight
  midnight–6 AM
  Drizzle, 40°4°
  50% chance
Official NWS forecast
Day: Rain showers before 4pm, then showers and thunderstorms. Cloudy, with a high near 49. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Night: Showers and thunderstorms before 1am. Mostly cloudy, with a low around 35. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
44°7°–51°11°
Low, likely
35°2°–41°5°
Wind
17 mph27 km/h, gusts 28 mph46 km/h
Tuesday, Oct 27. Drizzle. High 58°14°, low 41°5°. Rain 0.07 in1.8 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  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 58. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–59°15°
Low, likely
37°3°–41°5°
Wind
20 mph32 km/h, gusts 32 mph51 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 63°17°, low 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 63.
Night: Mostly clear, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–67°19°
Low, likely
38°3°–50°10°
Wind
12 mph19 km/h, gusts 36 mph57 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 64°18°, low 47°8°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Mostly sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64.
Night: Partly cloudy, with a low around 47.
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 64°18°).
High, likely
60°16°–64°18°
Low, likely
38°3°–47°8°
Wind
11 mph18 km/h, gusts 32 mph51 km/h
UV peak
4
Friday, Oct 30. Mostly cloudy. High 65°18°, low 48°9°. Rain 0.01 in0.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  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 48. Chance of precipitation is 40%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
48°9°–53°12°
Wind
12 mph19 km/h, gusts 31 mph49 km/h
UV peak
2
Saturday, Oct 31. Showers. High 60°16°, low 51°11°. Rain 0.3 in7.6 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 56°13°
  30% chance · 0.05 in1.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 59°15°
  30% chance · 0.25 in6.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 54°12°
  30% chance · 0.08 in1.9 mm
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–66°19°
Low, likely
43°6°–58°14°
Wind
17 mph28 km/h, gusts 32 mph51 km/h
Sunday, Nov 1. Drizzle. High 57°14°, low 48°9°. Rain 0.05 in1.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 53°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  20% chance · 0.07 in1.8 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.
High, likely
44°7°–66°19°
Low, likely
38°3°–54°12°
Wind
13 mph21 km/h, gusts 23 mph37 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 59°15°, low 45°7°. Rain 0.15 in3.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  30% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Sunny, 60°15°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 52°11°
  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°–63°17°
Low, likely
39°4°–49°9°
Wind
30 mph48 km/h, gusts 54 mph86 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
51% chance of rain, high 68°, low 40°.
Tomorrow
94% chance of rain, high 47°, low 36°, cooling off.
Monday
100% chance of rain, high 49°, low 35°.
Rest of week
Mostly dry, highs 57–65°.

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

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Keya Paha River near Naper

14 mi

Below flood stage

Level: 5.3 ft
Flow: 100 cfs

Reading from Sat 6:45 PM · NWS gauge page

Niobrara River near Butte

17 mi

Below flood stage

Level: 1.9 ft

Reading from Sat 7 PM · NWS gauge page

Platte Creek near Platte

17 mi

Below flood stage

Level: 1.6 ft
Flow: under 1 cfs

Reading from Sat 6:15 PM · NWS gauge page

Missouri River at Fort Randall Dam

20 mi

Below flood stage

Level: 1343 ft

Reading from Sat 7 PM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 38 min; Losing 2 min 49 s a day; shortest Dec 21, 1 h 38 min less
Golden hour: 5:59–6:56 PM; Morning 7:42–8:40 AM
Blue hour: 6:56–7:07 PM; Morning 7:31–7:42 AM; first light 7:31 AM

Stars tonight? Poor

Clouds most of the night (about 100% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 6:14 AM · rises 5:37 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Bonesteel. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Bonesteel, SD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Keya Paha River near Naper

Niobrara River near Butte

Platte Creek near Platte

Missouri River at Fort Randall Dam

Sun & moon

Sun

Stars tonight? Poor

Moon