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Observed 4:35 PM CDT at KATY

Roslyn, SD weather

Sunny and 50°10°.

Today: low 34°1° (likely 34°1° to 43°6°), high 55°13° (likely 55°13° to 67°19°).

Mostly agree

Now 50°10°

Sunny · Feels like 46°8°

Wind
9 mph15 km/h
From the northwest. 35–10 mph16 km/h through 4 AM
Dew point
36°2°
Comfortable · down to 27°−3° by 9 PM (dry)
UV tomorrow
3Moderate
Moderate 1–2 PM · peak 3
Pressure
30.3 inHg1026 hPa
Rising slowly · +0.03 inHg+1.1 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Dry until tomorrow 2 PM
  • Low 36°2° tomorrow at 6 AM
  • Rain tomorrow from 2 PM (90%, 3.4 in87 mm)
  • Gusts to 28 mph45 km/h Monday from 2 PM
  1. This afternoonNear 47°8° · Mostly cloudy
  2. TonightDown to 37°3° by 4 AM · Partly cloudy
  3. Tomorrow morningUp to 45°7° by 11 AM · Mostly cloudy
  4. Tomorrow afternoonNear 46°8° · Rain 2–6 PM (50%)
  5. Tomorrow nightDown to 37°3° by 5 AM · Rain all night (70%)
  6. Monday morningNear 37°3° · Rain all morning (80%)
  7. Monday afternoonNear 37°3° · Rain all afternoon (90%) · gusts to 28 mph45 km/h
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 4pCloudy47°8° (likely 47°8° to 51°11°)41°5°0%13 mph21 km/h from NNW, gusts 16 mph26 km/h60%81%1
Sat 5pCloudy47°8° (likely 47°8° to 50°10°)42°6°0%10 mph16 km/h from NNW, gusts 15 mph24 km/h56%81%0
Sat 6pCloudy46°8° (likely 46°8° to 49°9°)42°6°0%7 mph11 km/h from NNW, gusts 12 mph19 km/h60%81%0
Sat 7pCloudy45°7° (likely 43°6° to 47°8°)43°6°0%5 mph8 km/h from NNW, gusts 8 mph13 km/h58%78%0
Sat 8pCloudy45°7° (likely 41°5° to 47°8°)44°7°0%3 mph5 km/h from NNW, gusts 8 mph13 km/h51%83%0
Sat 9pCloudy43°6° (likely 40°4° to 46°8°)41°5°0%3 mph5 km/h from NNW, gusts 8 mph13 km/h53%81%0
Sat 10pCloudy42°6° (likely 39°4° to 45°7°)40°4°0%3 mph5 km/h from NNW, gusts 8 mph12 km/h55%80%0
Sat 11pCloudy41°5° (likely 37°3° to 44°7°)39°4°0%3 mph5 km/h from NNW, gusts 7 mph11 km/h55%64%0
Sun 12aCloudy40°4° (likely 37°3° to 43°6°)38°3°0%3 mph5 km/h from N, gusts 5 mph8 km/h57%81%0
Sun 1aPartly cloudy40°4° (likely 37°3° to 43°6°)38°3°0%3 mph5 km/h from N, gusts 4 mph7 km/h55%63%0
Sun 2aPartly cloudy39°4° (likely 36°2° to 41°5°)37°3°0%3 mph5 km/h from N, gusts 6 mph9 km/h57%33%0
Sun 3aClear38°3° (likely 35°2° to 41°5°)36°2°0%3 mph5 km/h from NNE, gusts 6 mph9 km/h57%24%0
Sun 4aClear37°3° (likely 34°1° to 40°4°)34°1°0%3 mph5 km/h from NNE, gusts 5 mph8 km/h59%26%0
Sun 5aClear37°3° (likely 34°1° to 40°4°)34°1°0%3 mph5 km/h from NE, gusts 6 mph10 km/h59%25%0
Sun 6aCloudy36°2° (likely 33°1° to 40°4°)32°0°0%5 mph8 km/h from NE, gusts 7 mph12 km/h61%74%0
Sun 7aCloudy36°2° (likely 32°0° to 41°5°)32°0°0%5 mph8 km/h from NE, gusts 9 mph14 km/h61%83%0
Sun 8aCloudy36°2° (likely 33°1° to 41°5°)32°0°0%5 mph8 km/h from NE, gusts 10 mph16 km/h61%85%0
Sun 9aCloudy38°3° (likely 34°1° to 43°6°)34°1°5%5 mph8 km/h from ENE, gusts 9 mph15 km/h59%86%0
Sun 10aCloudy42°6° (likely 40°4° to 45°7°)38°3°5%6 mph10 km/h from ENE, gusts 11 mph18 km/h51%87%1
Sun 11aCloudy45°7° (likely 45°7° to 46°8°)42°6°10%6 mph10 km/h from ENE, gusts 14 mph22 km/h47%93%2
Sun 12pCloudy46°8° (likely 45°7° to 47°8°)42°6°10%7 mph11 km/h from ENE, gusts 13 mph21 km/h43%100%2
Sun 1pCloudy47°8° (likely 45°7° to 48°9°)44°7°20%, 0.07 in1.8 mm7 mph11 km/h from ENE, gusts 12 mph19 km/h42%100%3
Sun 2pRain47°8° (likely 43°6° to 48°9°)44°7°30%, 0.07 in1.8 mm7 mph11 km/h from ENE, gusts 10 mph16 km/h44%100%2
Sun 3pCloudy47°8° (likely 42°6° to 48°9°)44°7°50%, 0.07 in1.8 mm7 mph11 km/h from ENE, gusts 12 mph19 km/h44%100%2
Sun 4pRain46°8° (likely 41°5° to 48°9°)42°6°40%, 0.07 in1.8 mm7 mph11 km/h from NE, gusts 12 mph20 km/h45%100%1
Sun 5pCloudy45°7° (likely 40°4° to 47°8°)41°5°50%, 0.07 in1.8 mm7 mph11 km/h from NE, gusts 13 mph20 km/h51%100%1
Sun 6pDrizzle44°7° (likely 39°4° to 46°8°)41°5°50%, 0.07 in1.8 mm6 mph10 km/h from ENE, gusts 11 mph18 km/h58%100%0
Sun 7pRain43°6° (likely 39°4° to 45°7°)39°4°60%, 0.05 in1.3 mm6 mph10 km/h from ENE, gusts 13 mph20 km/h62%100%0
Sun 8pRain42°6° (likely 38°3° to 44°7°)38°3°60%, 0.05 in1.3 mm6 mph10 km/h from NE, gusts 14 mph23 km/h62%100%0
Sun 9pRain41°5° (likely 38°3° to 43°6°)36°2°70%, 0.05 in1.3 mm7 mph11 km/h from ENE, gusts 15 mph24 km/h67%100%0
Sun 10pDrizzle40°4° (likely 37°3° to 43°6°)35°2°60%, 0.05 in1.3 mm7 mph11 km/h from ENE, gusts 14 mph23 km/h70%100%0
Sun 11pRain40°4° (likely 37°3° to 43°6°)35°2°40%, 0.05 in1.3 mm7 mph11 km/h from ENE, gusts 14 mph22 km/h70%100%0
Mon 12aRain39°4° (likely 37°3° to 43°6°)33°1°20%, 0.05 in1.3 mm8 mph13 km/h from ENE, gusts 15 mph25 km/h73%100%0
Mon 1aRain40°4° (likely 37°3° to 43°6°)34°1°20%, 0.03 in0.8 mm9 mph14 km/h from ENE, gusts 16 mph25 km/h70%100%0
Mon 2aRain39°4° (likely 37°3° to 43°6°)32°0°30%, 0.03 in0.8 mm10 mph16 km/h from ENE, gusts 16 mph26 km/h73%100%0
Mon 3aRain39°4° (likely 37°3° to 42°6°)32°0°40%, 0.03 in0.8 mm10 mph16 km/h from NE, gusts 16 mph26 km/h70%100%0
Mon 4aRain38°3° (likely 37°3° to 42°6°)31°−1°60%, 0.03 in0.8 mm12 mph19 km/h from NE, gusts 16 mph26 km/h73%100%0
Mon 5aRain37°3° (likely 36°2° to 41°5°)29°−2°60%, 0.03 in0.8 mm12 mph19 km/h from NE, gusts 18 mph29 km/h75%100%0
Mon 6aRain37°3° (likely 35°2° to 40°4°)29°−2°70%, 0.03 in0.8 mm13 mph21 km/h from ENE, gusts 20 mph32 km/h75%100%0
Mon 7aRain36°2° (likely 34°1° to 39°4°)28°−2°80%, 0.26 in6.6 mm13 mph21 km/h from ENE, gusts 18 mph29 km/h79%99%0
Mon 8aRain35°2° (likely 34°1° to 39°4°)26°−3°80%, 0.26 in6.6 mm13 mph21 km/h from ENE, gusts 19 mph31 km/h82%100%0
Mon 9aRain35°2° (likely 34°1° to 39°4°)26°−3°80%, 0.26 in6.6 mm13 mph21 km/h from ENE, gusts 22 mph36 km/h85%100%0
Mon 10aRain36°2° (likely 34°1° to 39°4°)27°−3°80%, 0.26 in6.6 mm14 mph23 km/h from ENE, gusts 22 mph36 km/h89%100%0
Mon 11aRain37°3° (likely 35°2° to 39°4°)28°−2°80%, 0.26 in6.6 mm14 mph23 km/h from ENE, gusts 22 mph35 km/h89%100%0
Mon 12pRain37°3° (likely 36°2° to 39°4°)28°−2°80%, 0.26 in6.6 mm15 mph24 km/h from ENE, gusts 24 mph38 km/h92%100%0
Mon 1pRain37°3° (likely 36°2° to 39°4°)28°−2°90%, 0.35 in8.9 mm15 mph24 km/h from ENE, gusts 24 mph39 km/h96%100%0
Mon 2pRain37°3° (likely 36°2° to 40°4°)28°−2°90%, 0.35 in8.9 mm15 mph24 km/h from ENE, gusts 26 mph42 km/h96%100%0
Mon 3pRain37°3° (likely 36°2° to 40°4°)28°−2°90%, 0.35 in8.9 mm15 mph24 km/h from ENE, gusts 28 mph44 km/h96%100%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Mostly cloudy. High 55°13°, low 34°1°. Typical 51°11° / 32°0°. Dry. Mostly agree.
    1. Afternoon

      noon–6 PM

      Cloudy, 47°8°

      Dry

    2. Evening

      6 PM–midnight

      Cloudy, 45°7°

      Dry

    3. Overnight

      midnight–6 AM

      Clear, 37°3°

      Dry

    Official NWS forecast

    Today: Mostly cloudy. High near 55, with temperatures falling to around 47 in the afternoon. North northwest wind around 13 mph, with gusts as high as 23 mph.

    Tonight: Mostly cloudy. Low around 34, with temperatures rising to around 37 overnight. North wind 3 to 7 mph.

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

    High, likely
    55°13°–67°19°
    Low, likely
    34°1°–43°6°
    Typical high / low
    51°11° / 32°0°
    Wind
    23 mph37 km/h, gusts 38 mph61 km/h
    UV peak
    3
  2. Tomorrow, Oct 25. Rain. High 48°9°, low 33°1°. Typical 50°10° / 31°−1°. Rain 0.2 in5.1 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 36°2°

      Dry

    2. Afternoon

      noon–6 PM

      Rain, 47°8°

      50% chance · 0.35 in8.9 mm

    3. Evening

      6 PM–midnight

      Rain, 42°6°

      70% chance · 0.32 in8.1 mm

    4. Overnight

      midnight–6 AM

      Rain, 37°3°

      60% chance · 0.2 in5.1 mm

    Official NWS forecast

    Day: A chance of rain after 1pm. Cloudy. High near 48, with temperatures falling to around 45 in the afternoon. East northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Night: Rain likely. Cloudy, with a low around 33. Northeast wind 6 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

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

    High, likely
    46°8°–48°9°
    Low, likely
    32°0°–40°4°
    Typical high / low
    50°10° / 31°−1°
    Wind
    13 mph21 km/h, gusts 22 mph35 km/h
    UV peak
    3
  3. Monday, Oct 26. Rain. High 39°4°, low 32°0°. Typical 50°10° / 31°−1°. Rain 0.64 in16 mm, 90% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Rain, 35°2°

      80% chance · 1.3 in34 mm

    2. Afternoon

      noon–6 PM

      Rain, 37°3°

      100% chance · 1.4 in36 mm

    3. Evening

      6 PM–midnight

      Rain, 37°3°

      100% chance · 0.41 in10 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 39°4°

      100% chance · 0.33 in8.5 mm

    Official NWS forecast

    Day: Rain. Cloudy, with a high near 39. East northeast wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Night: Rain. Cloudy, with a low around 32. East wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

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

    High, likely
    38°3°–43°6°
    Low, likely
    32°0°–39°4°
    Typical high / low
    50°10° / 31°−1°
    Wind
    23 mph37 km/h, gusts 36 mph57 km/h
  4. Tuesday, Oct 27. Rain. High 49°9°, low 39°4°. Typical 49°9° / 30°−1°. Rain 0.36 in9.1 mm, 80% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 42°5°

      70% chance · 0.02 in0.6 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 50°10°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 48°9°

      30% chance · 0.03 in0.9 mm

    4. Overnight

      midnight–6 AM

      Clear, 43°6°

      20% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Rain before 1pm. Mostly cloudy, with a high near 49. South wind around 9 mph. Chance of precipitation is 80%.

    Night: A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 39. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

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

    High, likely
    49°9°–53°12°
    Low, likely
    37°3°–40°4°
    Typical high / low
    49°9° / 30°−1°
    Wind
    21 mph34 km/h, gusts 34 mph54 km/h
    UV peak
    3
  5. Wednesday, Oct 28. Partly sunny. High 56°13°, low 39°4°. Typical 49°9° / 30°−1°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 42°6°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 54°12°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 48°9°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 39°4°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 56. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Night: Partly 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°–43°6°
    Typical high / low
    49°9° / 30°−1°
    Wind
    21 mph34 km/h, gusts 48 mph77 km/h
    UV peak
    3
  6. Thursday, Oct 29. Partly sunny. High 56°13°, low 42°6°. Typical 48°9° / 29°−2°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 56°13°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 48°9°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 49°9°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 56.

    Night: A slight chance of rain after 1am. Partly cloudy, with a low around 42. Chance of precipitation is 20%.

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

    High, likely
    54°12°–59°15°
    Low, likely
    36°2°–42°6°
    Typical high / low
    48°9° / 29°−2°
    Wind
    17 mph27 km/h, gusts 41 mph66 km/h
    UV peak
    3
  7. Friday, Oct 30. Rain. High 58°14°, low 44°7°. Typical 48°9° / 29°−2°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 49°10°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 55°13°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 54°12°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 53°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain before 7am. Partly sunny, with a high near 58. Chance of precipitation is 20%.

    Night: A chance of rain after 7pm. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.

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

    High, likely
    55°13°–61°16°
    Low, likely
    44°7°–48°9°
    Typical high / low
    48°9° / 29°−2°
    Wind
    17 mph28 km/h, gusts 38 mph61 km/h
    UV peak
    1
  8. Saturday, Oct 31. Drizzle. High 59°15°, low 48°9°. Typical 47°8° / 28°−2°. Rain 0.24 in6.1 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 54°12°

      20% chance · 0.01 in0.3 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 60°15°

      30% chance · 0.05 in1.3 mm

    3. Evening

      6 PM–midnight

      Drizzle, 52°11°

      30% chance · 0.2 in5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 44°7°

      30% chance · 0.04 in0.9 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
    51°11°–66°19°
    Low, likely
    39°4°–54°12°
    Typical high / low
    47°8° / 28°−2°
    Wind
    19 mph30 km/h, gusts 39 mph63 km/h
    UV peak
    2
  9. Sunday, Nov 1. Drizzle. High 51°11°, low 42°6°. Typical 46°8° / 28°−2°. Rain 0.09 in2.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 44°7°

      20% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 49°10°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 46°8°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly 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
    40°4°–60°16°
    Low, likely
    31°−1°–53°12°
    Typical high / low
    46°8° / 28°−2°
    Wind
    18 mph28 km/h, gusts 39 mph63 km/h
    UV peak
    2
  10. Monday, Nov 2. Cloudy. High 52°11°, low 39°4°. Typical 46°8° / 28°−2°. Rain 0.34 in8.6 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 51°11°

      20% chance · 0.09 in2.3 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 46°8°

      20% chance · 0.03 in0.7 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
    48°9°–58°14°
    Low, likely
    30°−1°–46°8°
    Typical high / low
    46°8° / 28°−2°
    Wind
    31 mph50 km/h, gusts 48 mph78 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 55°, low 34°.

  2. Tomorrow

    53% chance of rain, high 48°, low 33°, cooling off.

  3. Monday

    91% chance of rain, high 39°, low 32°, cooling off.

  4. Rest of week

    Highs 49–59°; chance of precipitation on Tuesday.

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

For your home

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

Heating this week

About 73% less heating than a typical week.

This week 48Typical 177

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
47
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 8 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?

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

Oct 24, today vs a typical year

Today’s expected high is 4°2° warmer than typical.

Normal high / low
51°11° / 32°0°
Forecast high / low
55°13° / 34°1°
Record high
83°28° in 1894
Record low
6°−14° in 1896

Last 7 days vs normal

On average 15°8° warmer than normal (daily mean temperature).

  1. —SunOct 18
  2. +11°+6°MonOct 19
  3. +11°+6°TueOct 20
  4. +14°+8°WedOct 21
  5. +15°+8°ThuOct 22
  6. +21°+11°FriOct 23
  7. +21°+11°SatOct 24

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

Sun & moon

Sun

Sunrise 7:58 AM, sunset 6:29 PM.

Daylight
10 h 30 min
Losing 2 min 58 s a day; shortest Dec 21, 1 h 48 min less
Golden hour
5:47–6:47 PM
Morning 7:39–8:40 AM
Blue hour
6:47–6:59 PM
Morning 7:28–7:39 AM; first light 7:28 AM

Stars tonight? Poor

Clouds most of the night (about 63% cover).

Moon

Waxing gibbous

98% lit · growing

Today
sets 6:10 AM · rises 5:28 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Roslyn. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.