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Observed 12:25 AM CDT at KHON

Riverside Colony, SD weather

Clear and 39°4°, rain ~1–11 PM (99%).

Today: low 36°2° (likely 36°2° to 43°6°), high 50°10° (likely 44°7° to 51°11°).

Forecasts differ

Now 39°4°

Clear

Wind
3 mph5 km/h
From the north-northwest. 35–5 mph8 km/h through 12 PM
Dew point
36°2°
Comfortable
UV tomorrow
0Low
Low all day (peak 0)
Pressure
30.38 inHg1029 hPa
Rising slowly · +0.03 inHg+1.0 hPa next 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

27°15° cooler than this time yesterday (66°19° then, 39°4° now)

Good hours for
  • Dry until 1 PM
  • Low 38°3° tonight at 5 AM
  • Rain today from 1 PM (100%, 8.7 in221 mm)
  • High 49°9° today at 5 PM
  1. TonightDown to 38°3° by 5 AM · Partly cloudy
  2. This morningUp to 47°8° by 11 AM · rain chance 30% · Cloudy
  3. This afternoonNear 49°9° · Rain 1–6 PM (90%)
  4. TonightDown to 37°3° by 5 AM · Rain all night (100%)
  5. Tomorrow morningUp to 42°6° by 11 AM · Rain all morning (100%)
  6. Tomorrow afternoonNear 44°7° · Rain all afternoon (100%)
  7. Tomorrow nightNear 43°6° · Rain all night (100%)
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sun 12aClear42°6° (likely 41°5° to 45°7°)41°5°0%5 mph8 km/h from N, gusts 5 mph9 km/h73%30%0
Sun 1aPartly cloudy40°4° (likely 39°4° to 44°7°)38°3°0%5 mph8 km/h from N, gusts 7 mph11 km/h76%18%0
Sun 2aPartly cloudy39°4° (likely 39°4° to 44°7°)37°3°0%5 mph8 km/h from N, gusts 8 mph13 km/h79%51%0
Sun 3aPartly cloudy40°4° (likely 38°3° to 43°6°)38°3°0%5 mph8 km/h from NNE, gusts 8 mph13 km/h77%30%0
Sun 4aCloudy39°4° (likely 38°3° to 43°6°)36°2°0%5 mph8 km/h from NNE, gusts 7 mph12 km/h78%79%0
Sun 5aCloudy38°3° (likely 38°3° to 44°7°)35°2°0%5 mph8 km/h from NE, gusts 7 mph12 km/h79%90%0
Sun 6aCloudy39°4° (likely 39°4° to 45°7°)35°2°0%5 mph8 km/h from NNE, gusts 8 mph13 km/h78%83%0
Sun 7aCloudy40°4° (likely 40°4° to 46°8°)37°3°10%5 mph8 km/h from NE, gusts 8 mph13 km/h72%82%0
Sun 8aCloudy40°4° (likely 40°4° to 46°8°)37°3°20%5 mph8 km/h from NE, gusts 8 mph13 km/h73%90%0
Sun 9aCloudy42°6° (likely 42°6° to 48°9°)39°4°20%5 mph8 km/h from ENE, gusts 7 mph11 km/h70%99%0
Sun 10aCloudy44°7° (likely 43°6° to 49°9°)41°5°30%5 mph8 km/h from ENE, gusts 6 mph10 km/h64%100%0
Sun 11aCloudy47°8° (likely 44°7° to 50°10°)44°7°30%5 mph8 km/h from ENE, gusts 7 mph11 km/h60%100%0
Sun 12pDrizzle48°9° (likely 43°6° to 51°11°)45°7°30%5 mph8 km/h from ENE, gusts 7 mph12 km/h58%100%0
Sun 1pShowers48°9° (likely 44°7° to 51°11°)45°7°50%, 0.12 in3 mm5 mph8 km/h from E, gusts 9 mph14 km/h58%100%1
Sun 2pDrizzle48°9° (likely 44°7° to 51°11°)45°7°50%, 0.12 in3 mm5 mph8 km/h from ENE, gusts 9 mph14 km/h58%100%1
Sun 3pDrizzle48°9° (likely 43°6° to 49°9°)44°7°60%, 0.12 in3 mm10 mph16 km/h from ENE, gusts 12 mph19 km/h60%100%0
Sun 4pDrizzle48°9° (likely 43°6° to 48°9°)44°7°80%, 0.12 in3 mm10 mph16 km/h from ENE, gusts 14 mph23 km/h60%100%0
Sun 5pRain49°9° (likely 42°6° to 49°9°)46°8°90%, 0.12 in3 mm10 mph16 km/h from ENE, gusts 14 mph22 km/h61%100%0
Sun 6pDrizzle48°9° (likely 44°7° to 48°9°)44°7°80%, 0.12 in3 mm10 mph16 km/h from ENE, gusts 17 mph27 km/h65%100%0
Sun 7pCloudy46°8° (likely 43°6° to 46°8°)41°5°70%, 0.15 in3.8 mm10 mph16 km/h from NE, gusts 18 mph30 km/h71%100%0
Sun 8pDrizzle44°7° (likely 42°6° to 44°7°)39°4°90%, 0.15 in3.8 mm10 mph16 km/h from NE, gusts 17 mph27 km/h76%100%0
Sun 9pDrizzle42°6° (likely 42°6° to 44°7°)36°2°100%, 0.15 in3.8 mm10 mph16 km/h from ENE, gusts 15 mph24 km/h82%100%0
Sun 10pDrizzle42°6° (likely 41°5° to 44°7°)36°2°70%, 0.15 in3.8 mm10 mph16 km/h from ENE, gusts 16 mph26 km/h82%100%0
Sun 11pRain41°5° (likely 41°5° to 44°7°)36°2°60%, 0.15 in3.8 mm10 mph16 km/h from ENE, gusts 13 mph22 km/h89%100%0
Mon 12aRain41°5° (likely 40°4° to 44°7°)36°2°60%, 0.15 in3.8 mm10 mph16 km/h from NE, gusts 13 mph21 km/h89%100%0
Mon 1aRain41°5° (likely 40°4° to 44°7°)35°2°70%, 0.18 in4.6 mm10 mph16 km/h from NE, gusts 13 mph21 km/h89%100%0
Mon 2aDrizzle41°5° (likely 41°5° to 44°7°)34°1°80%, 0.18 in4.6 mm10 mph16 km/h from ENE, gusts 13 mph22 km/h89%100%0
Mon 3aDrizzle40°4° (likely 40°4° to 44°7°)33°1°80%, 0.18 in4.6 mm10 mph16 km/h from ENE, gusts 15 mph24 km/h89%100%0
Mon 4aShowers39°4° (likely 39°4° to 44°7°)31°−1°90%, 0.18 in4.6 mm15 mph24 km/h from ENE, gusts 16 mph25 km/h92%100%0
Mon 5aDrizzle37°3° (likely 37°3° to 43°6°)29°−2°90%, 0.18 in4.6 mm15 mph24 km/h from ENE, gusts 16 mph25 km/h100%100%0
Mon 6aDrizzle37°3° (likely 37°3° to 43°6°)28°−2°90%, 0.18 in4.6 mm15 mph24 km/h from ENE, gusts 19 mph31 km/h100%100%0
Mon 7aShowers36°2° (likely 36°2° to 43°6°)27°−3°100%, 0.38 in9.7 mm15 mph24 km/h from ENE, gusts 20 mph32 km/h100%100%0
Mon 8aShowers35°2° (likely 35°2° to 43°6°)26°−3°100%, 0.38 in9.7 mm15 mph24 km/h from ENE, gusts 20 mph33 km/h100%100%0
Mon 9aShowers37°3° (likely 37°3° to 43°6°)28°−2°100%, 0.38 in9.7 mm15 mph24 km/h from ENE, gusts 21 mph34 km/h100%100%0
Mon 10aRain41°5° (likely 40°4° to 43°6°)33°1°100%, 0.38 in9.7 mm15 mph24 km/h from ENE, gusts 20 mph32 km/h93%100%0
Mon 11aDrizzle42°6° (likely 40°4° to 43°6°)35°2°100%, 0.38 in9.7 mm15 mph24 km/h from ENE, gusts 20 mph32 km/h89%100%0
Mon 12pDrizzle43°6° (likely 40°4° to 43°6°)36°2°100%, 0.38 in9.7 mm15 mph24 km/h from ENE, gusts 22 mph35 km/h86%100%0
Mon 1pDrizzle43°6° (likely 40°4° to 43°6°)36°2°100%, 0.43 in11 mm15 mph24 km/h from ENE, gusts 22 mph36 km/h86%100%0
Mon 2pRain44°7° (likely 40°4° to 44°7°)37°3°100%, 0.43 in11 mm15 mph24 km/h from ENE, gusts 21 mph34 km/h82%100%0
Mon 3pShowers44°7° (likely 40°4° to 44°7°)37°3°100%, 0.43 in11 mm15 mph24 km/h from ENE, gusts 19 mph31 km/h86%100%0
Mon 4pRain45°7° (likely 40°4° to 45°7°)38°3°100%, 0.43 in11 mm15 mph24 km/h from ENE, gusts 19 mph30 km/h82%100%0
Mon 5pRain45°7° (likely 40°4° to 45°7°)38°3°100%, 0.43 in11 mm15 mph24 km/h from ENE, gusts 19 mph30 km/h82%100%0
Mon 6pRain44°7° (likely 38°3° to 44°7°)37°3°100%, 0.43 in11 mm15 mph24 km/h from ENE, gusts 20 mph33 km/h89%100%0
Mon 7pRain43°6° (likely 38°3° to 43°6°)36°2°90%, 0.23 in5.8 mm15 mph24 km/h from ENE, gusts 20 mph33 km/h93%100%0
Mon 8pRain42°6° (likely 40°4° to 42°6°)35°2°90%, 0.23 in5.8 mm15 mph24 km/h from ENE, gusts 20 mph31 km/h96%100%0
Mon 9pShowers41°5° (likely 40°4° to 43°6°)34°1°90%, 0.23 in5.8 mm15 mph24 km/h from ENE, gusts 19 mph31 km/h100%100%0
Mon 10pShowers41°5° (likely 41°5° to 43°6°)34°1°90%, 0.23 in5.8 mm10 mph16 km/h from ENE, gusts 17 mph28 km/h100%100%0
Mon 11pRain41°5° (likely 41°5° to 44°7°)35°2°90%, 0.23 in5.8 mm10 mph16 km/h from NE, gusts 16 mph26 km/h100%100%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 25. Rain. High 50°10°, low 36°2°. Typical 55°13° / 31°−1°. Rain 0.25 in6.4 mm, 90% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 40°4°

      30% chance

    2. Afternoon

      noon–6 PM

      Rain, 49°9°

      90% chance · 0.6 in15 mm

    3. Evening

      6 PM–midnight

      Rain, 44°7°

      100% chance · 0.87 in22 mm

    4. Overnight

      midnight–6 AM

      Rain, 37°3°

      90% chance · 1 in27 mm

    Official NWS forecast

    Today: Rain showers after 8am. Cloudy, with a high near 50. East northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

    Tonight: Mostly cloudy, with a low around 36. North northeast wind around 5 mph.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    44°7°–51°11°
    Low, likely
    36°2°–43°6°
    Typical high / low
    55°13° / 31°−1°
    Wind
    12 mph20 km/h, gusts 21 mph33 km/h
  2. Tomorrow, Oct 26. Showers. High 46°8°, low 34°1°. Typical 55°13° / 31°−1°. Rain 1.1 in27 mm, 100% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Rain, 35°2°

      100% chance · 2.1 in53 mm

    2. Afternoon

      noon–6 PM

      Rain, 45°7°

      100% chance · 2.5 in64 mm

    3. Evening

      6 PM–midnight

      Rain, 42°6°

      100% chance · 1.6 in40 mm

    4. Overnight

      midnight–6 AM

      Rain, 42°6°

      90% chance · 0.19 in4.8 mm

    Official NWS forecast

    Day: Rain showers. Cloudy, with a high near 46. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Night: Rain showers. Cloudy, with a low around 34. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    42°6°–46°8°
    Low, likely
    34°1°–42°6°
    Typical high / low
    55°13° / 31°−1°
    Wind
    14 mph23 km/h, gusts 25 mph41 km/h
  3. Tuesday, Oct 27. Showers. High 55°13°, low 39°4°. Typical 54°12° / 30°−1°. Rain 0.23 in5.8 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 41°5°

      40% chance

    2. Afternoon

      noon–6 PM

      Partly sunny, 53°11°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 50°10°

      20% chance

    4. Overnight

      midnight–6 AM

      Clear, 43°6°

      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 55. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    Night: A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 39.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    51°11°–57°14°
    Low, likely
    39°4°–42°6°
    Typical high / low
    54°12° / 30°−1°
    Wind
    17 mph27 km/h, gusts 33 mph53 km/h
    UV peak
    4
  4. Wednesday, Oct 28. Partly sunny. High 62°17°, low 38°3°. Typical 54°12° / 30°−1°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 42°5°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 58°14°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 50°10°

      Dry

    4. 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 62.

    Night: Mostly clear, with a low around 38.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    55°13°–62°17°
    Low, likely
    37°3°–47°8°
    Typical high / low
    54°12° / 30°−1°
    Wind
    12 mph19 km/h, gusts 33 mph53 km/h
    UV peak
    4
  5. Thursday, Oct 29. Partly sunny. High 64°18°, low 46°8°. Typical 53°12° / 30°−1°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 42°5°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 52°11°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 51°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 46.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    58°14°–64°18°
    Low, likely
    37°3°–46°8°
    Typical high / low
    53°12° / 30°−1°
    Wind
    12 mph19 km/h, gusts 32 mph52 km/h
    UV peak
    4
  6. Friday, Oct 30. Mostly cloudy. High 66°19°, low 47°8°. Typical 52°11° / 29°−2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 51°10°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 62°17°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 56°13°

      Dry

    4. 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 66.

    Night: A chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    59°15°–66°19°
    Low, likely
    45°7°–51°11°
    Typical high / low
    52°11° / 29°−2°
    Wind
    13 mph21 km/h, gusts 29 mph46 km/h
    UV peak
    2
  7. Saturday, Oct 31. Showers. High 62°17°, low 51°11°. Typical 52°11° / 29°−2°. Rain 0.17 in4.3 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 56°13°

      20% chance · 0.03 in0.8 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 61°16°

      30% chance · 0.03 in0.6 mm

    3. Evening

      6 PM–midnight

      Cloudy, 57°14°

      30% chance · 0.06 in1.4 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 51°11°

      30% chance · 0.02 in0.4 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 62. Chance of precipitation is 40%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    55°13°–67°19°
    Low, likely
    44°7°–58°14°
    Typical high / low
    52°11° / 29°−2°
    Wind
    17 mph27 km/h, gusts 31 mph50 km/h
    UV peak
    2
  8. Sunday, Nov 1. Drizzle. High 58°14°, low 49°9°. Typical 51°11° / 28°−2°. Rain 0.05 in1.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 50°10°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 54°12°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 50°10°

      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
    46°8°–66°19°
    Low, likely
    37°3°–56°13°
    Typical high / low
    51°11° / 28°−2°
    Wind
    15 mph24 km/h, gusts 27 mph43 km/h
    UV peak
    3
  9. Monday, Nov 2. Drizzle. High 59°15°, low 44°7°. Typical 51°11° / 28°−2°. Rain 0.34 in8.6 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 52°11°

      20% chance · 0.06 in1.6 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 58°15°

      30% chance · 0.04 in1 mm

    3. Evening

      6 PM–midnight

      Drizzle, 49°10°

      30% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 45°7°

      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
    54°12°–65°18°
    Low, likely
    33°1°–48°9°
    Typical high / low
    51°11° / 28°−2°
    Wind
    30 mph48 km/h, gusts 53 mph86 km/h
  10. Tuesday, Nov 3. Cloudy. High 52°11°, low 42°6°. Typical 50°10° / 28°−2°. Rain 0.11 in2.8 mm, 30% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 44°7°

      20% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 52°11°

      Dry

    3. Evening

      6 PM–midnight

      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 agreeIndependent forecasts are close; the range is narrow.

    High, likely
    52°11°–53°12°
    Low, likely
    41°5°–44°7°
    Typical high / low
    50°10° / 28°−2°
    Wind
    22 mph35 km/h, gusts 52 mph83 km/h
    UV peak
    3

The outlook

  1. Today

    85% chance of rain, high 50°, low 36°.

  2. Tomorrow

    99% chance of rain, high 46°, low 34°, cooling off.

  3. Tuesday

    35% chance of rain, high 55°, low 39°, warming up.

  4. Rest of week

    Highs 52–66°; chance of precipitation on 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

Full-screen radar

Rivers

NOAA river gauges within 25 mi

James River at Huron

8.5 mi
Below flood stage
Level
9.5 ft
Flow
359 cfs

Reading from Sat 11 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 72% less heating than a typical week.

This week 45Typical 163

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
40
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 19 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Huron Regional Airport · official normals 1991–2020 · records 1881–2026

Oct 25, today vs a typical year

Today’s expected high is 5°3° colder than typical.

Normal high / low
55°13° / 31°−1°
Forecast high / low
50°10° / 36°2°
Record high
82°28° in 1927
Record low
5°−15° in 1887

Last 7 days vs normal

On average 14°8° warmer than normal (daily mean temperature).

  1. +5°+3°MonOct 19
  2. +13°+7°TueOct 20
  3. +11°+6°WedOct 21
  4. +15°+8°ThuOct 22
  5. +27°+15°FriOct 23
  6. —SatOct 24
  7. —SunOct 25

Riverside Colony weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 8:00 AM, sunset 6:31 PM.

Daylight
10 h 31 min
Losing 2 min 53 s a day; shortest Dec 21, 1 h 41 min less
Golden hour
5:50–6:50 PM
Morning 7:42–8:41 AM
Blue hour
6:50–7:01 PM
Morning 7:30–7:42 AM; first light 7:30 AM

Stars tonight? Poor

Clouds most of the night (about 58% cover).

Moon

Waxing gibbous

99% lit · growing

Today
sets 7:28 AM · rises 5:56 PM
Full moon
Today, 11:12 PM
New moon
Nov 9
Looking west from Riverside Colony. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.