Skip to forecast
Search a place

Observed 11:55 AM CDT at K9V9

Reliance, SD weather

Windy and 50°10°, rain tomorrow ~6 AM–8 PM (94%).

Today: low 39°4° (likely 39°4° to 45°7°), high 54°12° (likely 54°12° to 69°21°).

Mostly agree

Now 50°10°

Windy · Feels like 42°6°

Feels like
42°6°
Wind chill from 24 mph39 km/h wind · air 50°10°
Wind
24 mph39 km/hgusts 33 mph54 km/h
From the northwest. Easing to 13 mph21 km/h by 5 PM
Dew point
36°2°
Comfortable
UV index
2Low
Moderate 1–3 PM · peak 3
Pressure
30.33 inHg1027 hPa
Rising slowly · +0.03 inHg+1.1 hPa in 3 h

Next 2 hours

None rain starting around 5:15 AM.

Next 48 hours

21°12° cooler than this time yesterday (71°22° then, 50°10° now)

Good hours for
  • Dry until tomorrow 7 AM
  • Gusts to 31 mph50 km/h until 2 PM
  • High 52°11° today at 5 PM
  • Rain tomorrow from 7 AM (100%, 6.5 in165 mm)
  • Gusts to 25 mph40 km/h Monday from 11 AM
  1. This afternoonUp to 52°11° by 5 PM · gusts to 31 mph50 km/h · Cloudy
  2. TonightDown to 42°6° by 1 AM · rain chance 30% · Mostly cloudy
  3. Tomorrow morningNear 44°7° · Rain 7 AM–noon (90%)
  4. Tomorrow afternoonNear 43°6° · Rain all afternoon (90%)
  5. Tomorrow nightNear 41°5° · Rain all night (100%)
  6. Monday morningNear 41°5° · Rain all morning (100%) · gusts to 25 mph40 km/h
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 12pCloudy48°9° (likely 48°9° to 50°10°)40°4°0%25 mph40 km/h from NNW, gusts 31 mph49 km/h63%99%2
Sat 1pCloudy48°9° (likely 48°9° to 51°11°)40°4°0%23 mph37 km/h from NNW, gusts 29 mph46 km/h60%81%3
Sat 2pCloudy50°10° (likely 50°10° to 52°11°)43°6°0%21 mph34 km/h from NNW, gusts 24 mph39 km/h54%87%3
Sat 3pCloudy50°10° (likely 50°10° to 53°12°)44°7°0%18 mph29 km/h from NNW, gusts 21 mph34 km/h52%85%2
Sat 4pCloudy51°11° (likely 51°11° to 54°12°)45°7°0%16 mph26 km/h from NNW, gusts 18 mph29 km/h48%85%1
Sat 5pCloudy52°11° (likely 51°11° to 53°12°)52°11°0%13 mph21 km/h from NNW, gusts 15 mph25 km/h42%84%0
Sat 6pCloudy52°11° (likely 51°11° to 53°12°)52°11°0%9 mph14 km/h from N, gusts 12 mph19 km/h43%84%0
Sat 7pCloudy50°10° (likely 48°9° to 51°11°)47°8°0%7 mph11 km/h from N, gusts 9 mph15 km/h46%84%0
Sat 8pCloudy48°9° (likely 46°8° to 49°9°)45°7°0%6 mph10 km/h from N, gusts 7 mph12 km/h49%81%0
Sat 9pCloudy46°8° (likely 44°7° to 48°9°)43°6°0%6 mph10 km/h from N, gusts 6 mph10 km/h53%81%0
Sat 10pMostly cloudy45°7° (likely 42°6° to 47°8°)43°6°0%5 mph8 km/h from N, gusts 5 mph9 km/h55%71%0
Sat 11pClear44°7° (likely 41°5° to 45°7°)41°5°0%5 mph8 km/h from N, gusts 5 mph8 km/h58%39%0
Sun 12aClear43°6° (likely 40°4° to 44°7°)40°4°0%5 mph8 km/h from NNE, gusts 6 mph10 km/h60%39%0
Sun 1aClear42°6° (likely 39°4° to 44°7°)38°3°0%6 mph10 km/h from NNE, gusts 7 mph11 km/h62%39%0
Sun 2aMostly cloudy42°6° (likely 39°4° to 44°7°)38°3°5%6 mph10 km/h from NE, gusts 6 mph10 km/h60%62%0
Sun 3aCloudy42°6° (likely 39°4° to 44°7°)38°3°10%7 mph11 km/h from ENE, gusts 7 mph11 km/h60%88%0
Sun 4aCloudy43°6° (likely 40°4° to 45°7°)39°4°20%7 mph11 km/h from ENE, gusts 7 mph11 km/h57%97%0
Sun 5aCloudy43°6° (likely 40°4° to 45°7°)39°4°30%7 mph11 km/h from ENE, gusts 6 mph9 km/h57%99%0
Sun 6aCloudy44°7° (likely 43°6° to 46°8°)39°4°40%8 mph13 km/h from E, gusts 10 mph16 km/h58%100%0
Sun 7aCloudy43°6° (likely 43°6° to 46°8°)38°3°60%, 0.15 in3.8 mm8 mph13 km/h from E, gusts 11 mph18 km/h65%100%0
Sun 8aRain43°6° (likely 43°6° to 46°8°)38°3°60%, 0.15 in3.8 mm8 mph13 km/h from ENE, gusts 11 mph18 km/h67%100%0
Sun 9aRain43°6° (likely 43°6° to 45°7°)38°3°80%, 0.15 in3.8 mm8 mph13 km/h from ENE, gusts 11 mph18 km/h76%100%0
Sun 10aRain44°7° (likely 42°6° to 45°7°)39°4°90%, 0.15 in3.8 mm9 mph14 km/h from ENE, gusts 13 mph22 km/h79%100%0
Sun 11aRain44°7° (likely 42°6° to 45°7°)38°3°80%, 0.15 in3.8 mm10 mph16 km/h from ENE, gusts 15 mph24 km/h82%100%0
Sun 12pRain43°6° (likely 41°5° to 45°7°)37°3°60%, 0.15 in3.8 mm12 mph19 km/h from ENE, gusts 15 mph25 km/h89%100%0
Sun 1pRain43°6° (likely 41°5° to 45°7°)36°2°90%, 0.09 in2.3 mm13 mph21 km/h from ENE, gusts 18 mph28 km/h89%100%0
Sun 2pRain42°6° (likely 40°4° to 45°7°)35°2°90%, 0.09 in2.3 mm13 mph21 km/h from ENE, gusts 17 mph28 km/h93%100%0
Sun 3pRain43°6° (likely 41°5° to 45°7°)36°2°90%, 0.09 in2.3 mm14 mph23 km/h from ENE, gusts 18 mph29 km/h89%100%1
Sun 4pRain42°6° (likely 40°4° to 44°7°)35°2°60%, 0.09 in2.3 mm14 mph23 km/h from ENE, gusts 18 mph29 km/h93%100%0
Sun 5pRain42°6° (likely 40°4° to 44°7°)35°2°50%, 0.09 in2.3 mm14 mph23 km/h from ENE, gusts 19 mph30 km/h93%100%0
Sun 6pRain42°6° (likely 40°4° to 43°6°)35°2°50%, 0.09 in2.3 mm14 mph23 km/h from ENE, gusts 18 mph30 km/h93%100%0
Sun 7pRain41°5° (likely 40°4° to 43°6°)33°1°50%, 0.06 in1.5 mm14 mph23 km/h from ENE, gusts 18 mph30 km/h96%100%0
Sun 8pRain41°5° (likely 39°4° to 42°6°)33°1°60%, 0.06 in1.5 mm14 mph23 km/h from ENE, gusts 20 mph32 km/h96%100%0
Sun 9pRain40°4° (likely 39°4° to 42°6°)32°0°40%, 0.06 in1.5 mm14 mph23 km/h from ENE, gusts 19 mph31 km/h100%100%0
Sun 10pRain40°4° (likely 39°4° to 42°6°)32°0°30%, 0.06 in1.5 mm14 mph23 km/h from ENE, gusts 19 mph31 km/h100%100%0
Sun 11pRain40°4° (likely 39°4° to 42°6°)32°0°30%, 0.06 in1.5 mm14 mph23 km/h from ENE, gusts 18 mph29 km/h100%100%0
Mon 12aRain40°4° (likely 39°4° to 41°5°)32°0°70%, 0.06 in1.5 mm14 mph23 km/h from ENE, gusts 19 mph31 km/h96%100%0
Mon 1aRain40°4° (likely 40°4° to 41°5°)32°0°90%, 0.4 in10 mm15 mph24 km/h from ENE, gusts 20 mph31 km/h96%100%0
Mon 2aDrizzle40°4° (likely 39°4° to 41°5°)32°0°100%, 0.4 in10 mm15 mph24 km/h from ENE, gusts 20 mph31 km/h96%100%0
Mon 3aCloudy40°4° (likely 40°4° to 42°6°)32°0°100%, 0.4 in10 mm16 mph26 km/h from ENE, gusts 20 mph33 km/h96%100%0
Mon 4aRain40°4° (likely 39°4° to 42°6°)31°−1°80%, 0.4 in10 mm17 mph27 km/h from ENE, gusts 20 mph33 km/h96%100%0
Mon 5aRain40°4° (likely 40°4° to 42°6°)31°−1°70%, 0.4 in10 mm18 mph29 km/h from ENE, gusts 20 mph32 km/h92%100%0
Mon 6aRain40°4° (likely 40°4° to 42°6°)31°−1°90%, 0.4 in10 mm20 mph32 km/h from ENE, gusts 20 mph32 km/h92%100%0
Mon 7aRain40°4° (likely 40°4° to 42°6°)31°−1°100%, 0.46 in12 mm20 mph32 km/h from ENE, gusts 21 mph33 km/h92%100%0
Mon 8aRain39°4° (likely 39°4° to 43°6°)29°−2°100%, 0.46 in12 mm20 mph32 km/h from ENE, gusts 22 mph35 km/h85%100%0
Mon 9aRain39°4° (likely 39°4° to 43°6°)29°−2°100%, 0.46 in12 mm20 mph32 km/h from ENE, gusts 23 mph36 km/h92%100%0
Mon 10aRain40°4° (likely 39°4° to 43°6°)31°−1°100%, 0.46 in12 mm20 mph32 km/h from ENE, gusts 24 mph38 km/h100%100%0
Mon 11aRain41°5° (likely 39°4° to 43°6°)32°0°100%, 0.46 in12 mm20 mph32 km/h from ENE, gusts 25 mph40 km/h100%100%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 54°12°, low 39°4°. Typical 59°15° / 32°0°. Dry. Mostly agree.
    1. Afternoon

      noon–6 PM

      Cloudy, 52°11°

      Dry

    2. Evening

      6 PM–midnight

      Cloudy, 48°9°

      Dry

    3. Overnight

      midnight–6 AM

      Cloudy, 42°6°

      30% chance

    Official NWS forecast

    Today: Mostly cloudy, with a high near 54. North northwest wind 13 to 25 mph, with gusts as high as 35 mph.

    Tonight: A chance of rain after 4am. Mostly cloudy. Low around 39, with temperatures rising to around 43 overnight. North northeast wind 5 to 9 mph. Chance of precipitation is 30%.

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

    High, likely
    54°12°–69°21°
    Low, likely
    39°4°–45°7°
    Typical high / low
    59°15° / 32°0°
    Wind
    28 mph44 km/h, gusts 48 mph77 km/h
    UV peak
    3
  2. Tomorrow, Oct 25. Rain. High 46°8°, low 36°2°. Typical 58°14° / 31°−1°. Rain 0.47 in12 mm, 90% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Rain, 43°6°

      90% chance · 0.75 in19 mm

    2. Afternoon

      noon–6 PM

      Rain, 43°6°

      90% chance · 0.6 in15 mm

    3. Evening

      6 PM–midnight

      Rain, 41°5°

      60% chance · 0.39 in9.9 mm

    4. Overnight

      midnight–6 AM

      Rain, 40°4°

      100% chance · 2.1 in52 mm

    Official NWS forecast

    Day: Rain. Cloudy. High near 46, with temperatures falling to around 42 in the afternoon. East northeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

    Night: Rain. Cloudy, with a low around 36. East northeast wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    44°7°–46°8°
    Low, likely
    36°2°–41°5°
    Typical high / low
    58°14° / 31°−1°
    Wind
    15 mph25 km/h, gusts 24 mph39 km/h
  3. Monday, Oct 26. Rain. High 44°7°, low 32°0°. Typical 58°14° / 31°−1°. Rain 1.1 in29 mm, 100% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Rain, 39°4°

      100% chance · 2.7 in69 mm

    2. Afternoon

      noon–6 PM

      Rain, 42°6°

      100% chance · 0.36 in9 mm

    3. Evening

      6 PM–midnight

      Rain, 43°6°

      90% chance · 0.39 in10 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 39°4°

      60% chance · 0.02 in0.5 mm

    Official NWS forecast

    Day: Rain. Cloudy, with a high near 44. Northeast wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Night: Rain before 1am. Cloudy, with a low around 32. North northwest wind 10 to 16 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
    41°5°–46°8°
    Low, likely
    32°0°–41°5°
    Typical high / low
    58°14° / 31°−1°
    Wind
    18 mph29 km/h, gusts 28 mph46 km/h
  4. Tuesday, Oct 27. Mostly cloudy. High 56°13°, low 37°3°. Typical 57°14° / 30°−1°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 38°3°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 56°13°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 53°12°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 40°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 56. South southwest wind 6 to 15 mph, with gusts as high as 25 mph.

    Night: Partly cloudy, with a low around 37. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.

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

    High, likely
    54°12°–60°16°
    Low, likely
    37°3°–39°4°
    Typical high / low
    57°14° / 30°−1°
    Wind
    19 mph31 km/h, gusts 30 mph49 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Mostly sunny. High 61°16°, low 38°3°. Typical 56°13° / 30°−1°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 41°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 51°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 61. West southwest wind 7 to 10 mph.

    Night: Partly cloudy, with a low around 38.

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

    High, likely
    57°14°–61°16°
    Low, likely
    37°3°–43°6°
    Typical high / low
    56°13° / 30°−1°
    Wind
    11 mph17 km/h, gusts 41 mph65 km/h
    UV peak
    3
  6. Thursday, Oct 29. Partly sunny. High 63°17°, low 43°6°. Typical 56°13° / 30°−1°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 63°17°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 53°12°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 50°10°

      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 43.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    62°17°–63°17°
    Low, likely
    39°4°–44°7°
    Typical high / low
    56°13° / 30°−1°
    Wind
    13 mph21 km/h, gusts 37 mph60 km/h
    UV peak
    4
  7. Friday, Oct 30. Mostly cloudy. High 63°17°, low 45°7°. Typical 56°13° / 29°−2°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 54°12°

      20% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly cloudy, with a high near 63.

    Night: A chance of rain after 7pm. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

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

    High, likely
    62°17°–68°20°
    Low, likely
    45°7°–52°11°
    Typical high / low
    56°13° / 29°−2°
    Wind
    12 mph19 km/h, gusts 30 mph49 km/h
    UV peak
    3
  8. Saturday, Oct 31. Drizzle. High 60°16°, low 50°10°. Typical 55°13° / 29°−2°. Rain 0.16 in4.1 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 55°13°

      30% chance · 0.05 in1.3 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 63°17°

      30% chance · 0.16 in4 mm

    3. Evening

      6 PM–midnight

      Cloudy, 60°15°

      20% chance · 0.04 in1.1 mm

    4. Overnight

      midnight–6 AM

      Partly cloudy, 48°9°

      20% chance · 0.02 in0.6 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
    52°11°–68°20°
    Low, likely
    43°6°–58°14°
    Typical high / low
    55°13° / 29°−2°
    Wind
    17 mph27 km/h, gusts 29 mph47 km/h
  9. Sunday, Nov 1. Drizzle. High 54°12°, low 44°7°. Typical 54°12° / 28°−2°. Rain 0.06 in1.5 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 46°8°

      20% chance · 0.01 in0.3 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 53°12°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 50°10°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 41°5°

      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
    50°10°–64°18°
    Low, likely
    38°3°–56°13°
    Typical high / low
    54°12° / 28°−2°
    Wind
    19 mph30 km/h, gusts 47 mph76 km/h
    UV peak
    2
  10. Monday, Nov 2. Sunny. High 54°12°, low 42°6°. Typical 54°12° / 28°−2°. Rain 0.08 in2 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 42°6°

      20% chance

    2. Afternoon

      noon–6 PM

      Sunny, 53°12°

      20% chance

    3. Evening

      6 PM–midnight

      Clear, 49°9°

      20% chance · 0.03 in0.6 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
    50°10°–58°14°
    Low, likely
    38°3°–48°9°
    Typical high / low
    54°12° / 28°−2°
    Wind
    17 mph27 km/h, gusts 39 mph63 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 54°, low 39°.

  2. Tomorrow

    94% chance of rain, high 46°, low 36°, cooling off.

  3. Monday

    99% chance of rain, high 44°, low 32°.

  4. Rest of week

    Mostly dry, highs 54–63°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (ABR) (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

White River (NE-SD) near Oacoma

9.4 mi
Below flood stage
Level
8.0 ft

Reading from Sat 10:15 AM · NWS gauge page

Medicine Creek (SD) near Kennebec

13 mi
Below flood stage
Level
1659 ft

Reading from Sat 11:15 AM · NWS gauge page

Missouri River at Big Bend Dam

13 mi
Below flood stage
Level
1421 ft

Reading from Sat 10 AM · NWS gauge page

Missouri River at Chamberlain

14 mi
Below flood stage
Level
48.3 ft

Reading from Sat 10:30 AM · NWS gauge page

For your home

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

Heating this week

About 71% less heating than a typical week.

This week 43Typical 149

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
39
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 21 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?

Kennebec · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

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

Normal high / low
59°15° / 32°0°
Forecast high / low
54°12° / 39°4°
Record high
87°31° in 1894
Record low
6°−14° in 2002

Last 7 days vs normal

On average 12°7° warmer than normal (daily mean temperature).

  1. +9°+5°SunOct 18
  2. +5°+3°MonOct 19
  3. +11°+6°TueOct 20
  4. +10°+5°WedOct 21
  5. +12°+7°ThuOct 22
  6. +27°+15°FriOct 23
  7. —SatOct 24

Reliance weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 8:04 AM, sunset 6:40 PM.

Daylight
10 h 36 min
Losing 2 min 44 s a day; shortest Dec 21, 1 h 42 min less
Golden hour
5:59–6:58 PM
Morning 7:46–8:44 AM
Blue hour
6:58–7:09 PM
Morning 7:34–7:46 AM; first light 7:34 AM

Stars tonight? Poor

Clouds most of the night (about 75% cover).

Moon

Waxing gibbous

97% lit · growing

Today
sets 6:18 AM · rises 5:39 PM
Full moon
Oct 25
New moon
Nov 9
Looking southeast from Reliance. The highest point on the skyline is about 5,500 ft, 21 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.