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Observed 10:50 AM MDT at KPOY

Ralston, WY weather

Sunny and 41°5°.

Today: low 29°−2° (likely 29°−2° to 33°1°), high 49°9° (likely 47°8° to 51°11°).

Mostly agree

Now 41°5°

Sunny · Feels like 38°3°

Wind
5 mph8 km/h
From the south-southeast. 35–13 mph21 km/h through 11 PM
Dew point
14°−10°
Dry · up to 22°−6° by 8 PM
UV index
2Low
Moderate 1–3 PM · peak 3
Air quality
0Good
Main pollutant: PM2.5 (fine particles)
Pressure
30.34 inHg1027 hPa
Falling · −0.09 inHg−3.2 hPa in 3 h

Next 2 hours

None rain now, through the next 2 hours.

Next 48 hours

14°8° cooler than this time yesterday (55°13° then, 41°5° now)

Good hours for
  • High 49°9° today at 3 PM
  • Below 40°4° tonight after 9 PM
  • Below freezing tonight 1–9 AM (low 29°−2°)
  • Above 40°4° tomorrow by 11 AM
  • Below freezing tomorrow night 2–9 AM (low 29°−2°)
  1. This afternoonUp to 49°9° by 3 PM · Clear
  2. TonightDown to 31°−1° by 3 AM · freezing, low 31°−1° · Clear
  3. Tomorrow morningUp to 41°5° by 11 AM · freezing, low 29°−2° · Clear
  4. Tomorrow afternoonUp to 48°9° by 3 PM · Mostly cloudy
  5. Tomorrow nightDown to 31°−1° by 3 AM · freezing, low 31°−1° · Mostly cloudy
  6. Monday morningUp to 37°3° by 10 AM · freezing, low 29°−2° · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 11aSunny40°4° (likely 39°4° to 42°6°)37°3°0%5 mph8 km/h from ENE, gusts 6 mph10 km/h45%1%2
Sat 12pSunny42°6° (likely 42°6° to 44°7°)38°3°0%7 mph11 km/h from E, gusts 10 mph16 km/h36%1%2
Sat 1pSunny45°7° (likely 44°7° to 47°8°)40°4°0%9 mph14 km/h from ESE, gusts 13 mph21 km/h29%0%3
Sat 2pSunny47°8° (likely 46°8° to 49°9°)42°6°0%12 mph19 km/h from ESE, gusts 15 mph24 km/h26%0%3
Sat 3pSunny49°9° (likely 47°8° to 51°11°)44°7°0%13 mph21 km/h from ESE, gusts 15 mph24 km/h25%0%2
Sat 4pSunny49°9° (likely 47°8° to 51°11°)44°7°0%13 mph21 km/h from SE, gusts 15 mph24 km/h25%0%1
Sat 5pSunny49°9° (likely 47°8° to 50°10°)44°7°0%12 mph19 km/h from SE, gusts 14 mph23 km/h26%0%0
Sat 6pClear47°8° (likely 44°7° to 47°8°)43°6°0%8 mph13 km/h from ESE, gusts 13 mph21 km/h31%0%0
Sat 7pClear43°6° (likely 41°5° to 44°7°)39°4°0%6 mph10 km/h from ESE, gusts 9 mph15 km/h41%0%0
Sat 8pClear41°5° (likely 39°4° to 41°5°)38°3°0%5 mph8 km/h from ESE, gusts 7 mph11 km/h47%39%0
Sat 9pClear37°3° (likely 37°3° to 39°4°)33°1°0%5 mph8 km/h from ESE, gusts 5 mph9 km/h54%8%0
Sat 10pClear35°2° (likely 35°2° to 38°3°)31°−1°0%5 mph8 km/h from ESE, gusts 4 mph6 km/h59%8%0
Sat 11pClear34°1° (likely 34°1° to 36°2°)31°−1°0%3 mph5 km/h from ESE, gusts 4 mph7 km/h64%0%0
Sun 12aClear33°1° (likely 33°1° to 35°2°)30°−1°0%3 mph5 km/h from E, gusts 3 mph4 km/h68%0%0
Sun 1aClear32°0° (likely 32°0° to 35°2°)32°0°0%2 mph3 km/h from E, gusts 2 mph4 km/h70%0%0
Sun 2aClear32°0° (likely 32°0° to 34°1°)29°−2°0%3 mph5 km/h from NE, gusts 3 mph5 km/h73%0%0
Sun 3aClear31°−1° (likely 31°−1° to 34°1°)31°−1°0%2 mph3 km/h from N, gusts 4 mph6 km/h74%0%0
Sun 4aClear31°−1° (likely 30°−1° to 33°1°)28°−2°0%3 mph5 km/h from NNW, gusts 4 mph6 km/h75%0%0
Sun 5aClear31°−1° (likely 30°−1° to 34°1°)25°−4°0%6 mph10 km/h from WNW, gusts 6 mph9 km/h76%5%0
Sun 6aClear30°−1° (likely 30°−1° to 33°1°)23°−5°0%7 mph11 km/h from WNW, gusts 7 mph12 km/h80%1%0
Sun 7aClear29°−2° (likely 28°−2° to 33°1°)21°−6°0%8 mph13 km/h from NW, gusts 11 mph17 km/h81%9%0
Sun 8aSunny30°−1° (likely 28°−2° to 33°1°)23°−5°0%7 mph11 km/h from WNW, gusts 10 mph16 km/h84%1%0
Sun 9aSunny33°1° (likely 33°1° to 36°2°)26°−3°0%8 mph13 km/h from WNW, gusts 8 mph13 km/h74%5%0
Sun 10aSunny38°3° (likely 38°3° to 41°5°)31°−1°0%10 mph16 km/h from NW, gusts 14 mph22 km/h64%40%1
Sun 11aMostly sunny41°5° (likely 41°5° to 44°7°)34°1°0%12 mph19 km/h from NW, gusts 14 mph23 km/h55%42%3
Sun 12pMostly sunny44°7° (likely 44°7° to 47°8°)38°3°0%12 mph19 km/h from NNW, gusts 14 mph22 km/h49%43%3
Sun 1pMostly sunny46°8° (likely 46°8° to 49°9°)41°5°0%10 mph16 km/h from NNW, gusts 14 mph22 km/h44%41%4
Sun 2pPartly sunny47°8° (likely 47°8° to 51°11°)42°6°0%10 mph16 km/h from NNW, gusts 12 mph19 km/h40%74%4
Sun 3pCloudy48°9° (likely 48°9° to 51°11°)44°7°0%9 mph14 km/h from N, gusts 11 mph18 km/h38%89%3
Sun 4pPartly sunny47°8° (likely 47°8° to 50°10°)43°6°0%9 mph14 km/h from NNW, gusts 12 mph19 km/h38%76%2
Sun 5pCloudy46°8° (likely 45°7° to 48°9°)41°5°5%10 mph16 km/h from NNW, gusts 13 mph21 km/h40%71%1
Sun 6pPartly cloudy45°7° (likely 42°6° to 46°8°)40°4°5%9 mph14 km/h from NNW, gusts 13 mph21 km/h45%65%0
Sun 7pPartly cloudy39°4° (likely 39°4° to 45°7°)34°1°5%7 mph11 km/h from NW, gusts 14 mph22 km/h54%65%0
Sun 8pCloudy37°3° (likely 37°3° to 43°6°)32°0°5%7 mph11 km/h from NW, gusts 12 mph19 km/h59%87%0
Sun 9pPartly cloudy36°2° (likely 36°2° to 42°6°)30°−1°5%7 mph11 km/h from NW, gusts 9 mph14 km/h61%75%0
Sun 10pCloudy35°2° (likely 35°2° to 40°4°)30°−1°0%6 mph10 km/h from WNW, gusts 6 mph9 km/h65%77%0
Sun 11pCloudy34°1° (likely 34°1° to 40°4°)30°−1°0%5 mph8 km/h from WNW, gusts 4 mph7 km/h67%76%0
Mon 12aPartly cloudy33°1° (likely 32°0° to 38°3°)29°−2°0%5 mph8 km/h from WNW, gusts 5 mph8 km/h68%63%0
Mon 1aPartly cloudy33°1° (likely 30°−1° to 37°3°)30°−1°0%3 mph5 km/h from WNW, gusts 4 mph6 km/h68%56%0
Mon 2aMostly clear32°0° (likely 29°−2° to 36°2°)29°−2°0%3 mph5 km/h from W, gusts 4 mph6 km/h70%47%0
Mon 3aMostly clear31°−1° (likely 28°−2° to 36°2°)28°−2°0%3 mph5 km/h from W, gusts 5 mph8 km/h71%45%0
Mon 4aMostly clear31°−1° (likely 28°−2° to 35°2°)28°−2°0%3 mph5 km/h from W, gusts 5 mph8 km/h74%44%0
Mon 5aClear31°−1° (likely 28°−2° to 34°1°)28°−2°0%3 mph5 km/h from W, gusts 5 mph7 km/h76%34%0
Mon 6aClear29°−2° (likely 28°−2° to 34°1°)29°−2°0%2 mph3 km/h from W, gusts 3 mph5 km/h79%37%0
Mon 7aClear30°−1° (likely 24°−4° to 36°2°)30°−1°0%1 mph2 km/h from W, gusts 2 mph3 km/h81%29%0
Mon 8aSunny31°−1° (likely 23°−5° to 36°2°)31°−1°0%2 mph3 km/h from SW, gusts 3 mph4 km/h81%28%0
Mon 9aMostly sunny33°1° (likely 26°−3° to 41°5°)30°−1°0%3 mph5 km/h from S, gusts 3 mph5 km/h77%14%0
Mon 10aMostly sunny37°3° (likely 32°0° to 44°7°)33°1°0%5 mph8 km/h from SSE, gusts 4 mph6 km/h70%10%1

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Snow. High 49°9°, low 29°−2°. Typical 54°12° / 26°−3°. Snow 0.01 in0.3 mm, 0% chance. Mostly agree.
    1. Afternoon

      noon–6 PM

      Sunny, 49°9°

      Dry

    2. Evening

      6 PM–midnight

      Clear, 41°5°

      Dry

    3. Overnight

      midnight–6 AM

      Clear, 31°−1°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 49. East southeast wind 5 to 13 mph.

    Tonight: Mostly clear, with a low around 29. East northeast wind 2 to 8 mph.

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

    High, likely
    47°8°–51°11°
    Low, likely
    29°−2°–33°1°
    Typical high / low
    54°12° / 26°−3°
    Wind
    20 mph33 km/h, gusts 41 mph67 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 48°9°, low 29°−2°. Typical 53°12° / 25°−4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 30°−1°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 48°9°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 37°3°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 31°−1°

      Dry

    Official NWS forecast

    Day: Mostly sunny, with a high near 48. Northwest wind 7 to 12 mph.

    Night: Partly cloudy, with a low around 29. West northwest wind 3 to 9 mph.

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

    High, likely
    48°9°–51°11°
    Low, likely
    28°−2°–32°0°
    Typical high / low
    53°12° / 25°−4°
    Wind
    12 mph20 km/h, gusts 18 mph29 km/h
    UV peak
    4
  3. Monday, Oct 26. Mostly sunny. High 54°12°, low 33°1°. Typical 53°12° / 25°−4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 31°−1°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 55°13°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 45°7°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 39°4°

      30% chance · 0.04 in1.1 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 54. South wind 1 to 7 mph.

    Night: A chance of rain and snow showers after midnight. Partly cloudy, with a low around 33. South southwest wind around 5 mph. Chance of precipitation is 30%.

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

    High, likely
    53°12°–56°13°
    Low, likely
    26°−3°–34°1°
    Typical high / low
    53°12° / 25°−4°
    Wind
    8 mph13 km/h, gusts 15 mph25 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Drizzle. High 53°12°, low 31°−1°. Typical 52°11° / 25°−4°. Rain 0.05 in1.3 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 38°3°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 53°12°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 42°6°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 33°1°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain and snow showers. Partly sunny, with a high near 53. West wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Night: Partly cloudy, with a low around 31.

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

    High, likely
    50°10°–55°13°
    Low, likely
    31°−1°–40°4°
    Typical high / low
    52°11° / 25°−4°
    Wind
    22 mph35 km/h, gusts 34 mph54 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Partly sunny. High 55°13°, low 31°−1°. Typical 52°11° / 24°−4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 32°0°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 55°13°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 42°5°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 31°−1°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 55.

    Night: Partly cloudy, with a low around 31.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    53°12°–55°13°
    Low, likely
    28°−2°–34°1°
    Typical high / low
    52°11° / 24°−4°
    Wind
    15 mph24 km/h, gusts 27 mph43 km/h
    UV peak
    4
  6. Thursday, Oct 29. Cloudy. High 56°13°, low 32°0°. Typical 51°11° / 24°−4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 30°−1°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 53°12°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 41°5°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 33°1°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 56.

    Night: Mostly cloudy, with a low around 32.

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

    High, likely
    49°9°–56°13°
    Low, likely
    24°−4°–36°2°
    Typical high / low
    51°11° / 24°−4°
    Wind
    11 mph18 km/h, gusts 21 mph34 km/h
    UV peak
    3
  7. Friday, Oct 30. Mostly cloudy. High 54°12°, low 31°−1°. Typical 51°11° / 23°−5°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 35°1°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 51°11°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 42°5°

      20% chance · 0.05 in1.4 mm

    4. Overnight

      midnight–6 AM

      Cloudy, 34°1°

      20% chance · 0.7 in1.7 cm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 54.

    Night: A chance of rain and snow showers. Mostly cloudy, with a low around 31.

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

    High, likely
    42°6°–61°16°
    Low, likely
    27°−3°–39°4°
    Typical high / low
    51°11° / 23°−5°
    Wind
    12 mph19 km/h, gusts 25 mph40 km/h
    UV peak
    3
  8. Saturday, Oct 31. Cloudy. High 42°6°, low 30°−1°. Typical 50°10° / 23°−5°. Rain 0.15 in3.8 mm, 20% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 34°1°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 40°4°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 36°2°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 28°−2°

      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
    33°1°–51°11°
    Low, likely
    21°−6°–38°3°
    Typical high / low
    50°10° / 23°−5°
    Wind
    16 mph26 km/h
    UV peak
    3
  9. Sunday, Nov 1. Partly sunny. High 43°6°, low 27°−3°. Typical 50°10° / 22°−6°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 27°−3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 42°6°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 36°2°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 30°−1°

      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
    33°1°–52°11°
    Low, likely
    13°−11°–33°1°
    Typical high / low
    50°10° / 22°−6°
    Wind
    10 mph15 km/h
    UV peak
    3
  10. Monday, Nov 2. Cloudy. High 48°9°, low 33°1°. Typical 49°9° / 22°−6°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 31°−1°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 45°7°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 39°4°

      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
    38°3°–58°14°
    Low, likely
    30°−1°–37°3°
    Typical high / low
    49°9° / 22°−6°
    Wind
    17 mph28 km/h, gusts 33 mph53 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 49°, low 29°.

  2. Tomorrow

    Dry, high 48°, low 29°.

  3. Monday

    Dry, high 54°, low 33°, warming up.

  4. Rest of week

    Mostly dry, highs 42–56°.

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

Shoshone River below Buffalo Bill Reservior

17 mi
Below flood stage
Level
3.5 ft
Flow
243 cfs

Reading from Sat 10 AM · NWS gauge page

Reservoirs at Buffalo Bill Reservoir

20 mi
Below flood stage
Level
5358 ft

Reading from Sat 9:30 AM · NWS gauge page

Clarks Fork of the Yellowstone near Belfry

23 mi
Below flood stage
Level
0.5 ft
Flow
128 cfs

Reading from Sat 10 AM · NWS gauge page

Shoshone River near Lovell

24 mi
Below flood stage
Level
4.8 ft
Flow
533 cfs

Reading from Sat 9 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 54Typical 186

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
43
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 5 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 14°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?

Powell Field Station · official normals 1991–2020 · records 1981–2026

Oct 24, today vs a typical year

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

Normal high / low
54°12° / 26°−3°
Forecast high / low
49°9° / 29°−2°
Record high
82°28° in 2024
Record low
7°−14° in 1984

Last 7 days vs normal

  1. —SunOct 18
  2. —MonOct 19
  3. —TueOct 20
  4. —WedOct 21
  5. —ThuOct 22
  6. —FriOct 23
  7. —SatOct 24

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

Sun & moon

Sun

Sunrise 7:42 AM, sunset 6:15 PM.

Daylight
10 h 33 min
Losing 2 min 53 s a day; shortest Dec 21, 1 h 45 min less
Golden hour
5:35–6:34 PM
Morning 7:24–8:23 AM
Blue hour
6:34–6:45 PM
Morning 7:13–7:24 AM; first light 7:13 AM

Stars tonight? Fair

Clear 9 PM–7:14 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:58 AM · rises 5:16 PM
Full moon
Oct 25
New moon
Nov 9
Looking west from Ralston. The highest point on the skyline is about 13,000 ft, 56 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.