Keyhole Reservoir
21 mi- Level
- 4084 ft
Reading from Sat 6:15 AM · NWS gauge page
Observed 6:55 AM MDT at KECS
Upton, WY weather
Clear and 34°1°.
Today: low 31°−1° (likely 31°−1° to 35°2°), high 49°9° (likely 48°9° to 50°10°).
Now 34°1°
Clear · Feels like 23°−5°
- Feels like
- 23°−5°
- Wind chill from 18 mph29 km/h wind · air 34°1°
- Wind
- 18 mph29 km/hgusts 26 mph42 km/h
- From the north-northwest. Easing to 8 mph13 km/h by 12 PM
- Dew point
- 27°−3°
- Dry · down to 15°−9° by 1 PM
- UV index
- 0Low
- Moderate 12–3 PM · peak 3
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
14°8° cooler than this time yesterday (48°9° then, 34°1° now)
Good hours for
This morningUp to 41°5° by 11 AM · freezing, low 31°−1° · gusts to 29 mph47 km/h · Partly cloudy
This afternoonUp to 48°9° by 3 PM · Clear
TonightDown to 33°1° by 5 AM · Mostly cloudy
Tomorrow morningUp to 41°5° by 11 AM · rain chance 10% · freezing, low 32°0° · Cloudy
Tomorrow afternoonUp to 45°7° by 2 PM · rain chance 40% · Cloudy
Tomorrow nightDown to 33°1° by 5 AM · Rain 6 PM–midnight (40%)
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 7a | Cloudy | 31°−1° (likely 31°−1° to 36°2°) | 19°−7° | 0% | 18 mph29 km/h from NW, gusts 29 mph46 km/h | 85% | 76% | 0 |
| Sat 8a | Mostly sunny | 31°−1° (likely 31°−1° to 36°2°) | 19°−7° | 0% | 18 mph29 km/h from N, gusts 26 mph42 km/h | 81% | 36% | 0 |
| Sat 9a | Partly sunny | 35°2° (likely 34°1° to 36°2°) | 25°−4° | 0% | 16 mph26 km/h from NW, gusts 25 mph40 km/h | 72% | 24% | 0 |
| Sat 10a | Sunny | 39°4° (likely 36°2° to 39°4°) | 30°−1° | 0% | 14 mph23 km/h from NW, gusts 22 mph35 km/h | 59% | 18% | 1 |
| Sat 11a | Sunny | 41°5° (likely 38°3° to 41°5°) | 34°1° | 0% | 12 mph19 km/h from NW, gusts 17 mph27 km/h | 48% | 12% | 2 |
| Sat 12p | Sunny | 43°6° (likely 41°5° to 44°7°) | 37°3° | 0% | 8 mph13 km/h from N, gusts 13 mph20 km/h | 39% | 2% | 3 |
| Sat 1p | Sunny | 44°7° (likely 44°7° to 46°8°) | 40°4° | 0% | 7 mph11 km/h from N, gusts 11 mph18 km/h | 30% | 5% | 3 |
| Sat 2p | Sunny | 47°8° (likely 46°8° to 48°9°) | 44°7° | 0% | 6 mph10 km/h from N, gusts 9 mph15 km/h | 24% | 7% | 3 |
| Sat 3p | Sunny | 48°9° (likely 47°8° to 49°9°) | 46°8° | 0% | 5 mph8 km/h from N, gusts 8 mph12 km/h | 21% | 13% | 2 |
| Sat 4p | Sunny | 48°9° (likely 48°9° to 50°10°) | 46°8° | 0% | 5 mph8 km/h from N, gusts 5 mph8 km/h | 21% | 15% | 1 |
| Sat 5p | Cloudy | 47°8° (likely 47°8° to 50°10°) | 46°8° | 0% | 3 mph5 km/h from N, gusts 5 mph7 km/h | 23% | 66% | 0 |
| Sat 6p | Mostly clear | 45°7° (likely 45°7° to 46°8°) | 44°7° | 0% | 3 mph5 km/h from N, gusts 6 mph9 km/h | 27% | 46% | 0 |
| Sat 7p | Partly cloudy | 42°6° (likely 42°6° to 44°7°) | 40°4° | 0% | 3 mph5 km/h from NE, gusts 7 mph11 km/h | 33% | 66% | 0 |
| Sat 8p | Partly cloudy | 41°5° (likely 40°4° to 43°6°) | 38°3° | 0% | 5 mph8 km/h from E, gusts 9 mph14 km/h | 39% | 57% | 0 |
| Sat 9p | Cloudy | 40°4° (likely 38°3° to 42°6°) | 35°2° | 0% | 7 mph11 km/h from SE, gusts 14 mph23 km/h | 42% | 81% | 0 |
| Sat 10p | Mostly cloudy | 38°3° (likely 37°3° to 42°6°) | 32°0° | 0% | 9 mph14 km/h from SE, gusts 16 mph25 km/h | 40% | 67% | 0 |
| Sat 11p | Mostly cloudy | 38°3° (likely 36°2° to 41°5°) | 31°−1° | 0% | 10 mph16 km/h from SE, gusts 16 mph25 km/h | 37% | 71% | 0 |
| Sun 12a | Cloudy | 36°2° (likely 36°2° to 40°4°) | 29°−2° | 0% | 9 mph14 km/h from SE, gusts 16 mph26 km/h | 40% | 85% | 0 |
| Sun 1a | Partly cloudy | 36°2° (likely 36°2° to 39°4°) | 30°−1° | 0% | 8 mph13 km/h from SE, gusts 17 mph27 km/h | 40% | 70% | 0 |
| Sun 2a | Partly cloudy | 34°1° (likely 34°1° to 39°4°) | 27°−3° | 0% | 8 mph13 km/h from SE, gusts 15 mph24 km/h | 43% | 55% | 0 |
| Sun 3a | Mostly cloudy | 34°1° (likely 34°1° to 38°3°) | 27°−3° | 0% | 8 mph13 km/h from SE, gusts 14 mph22 km/h | 45% | 44% | 0 |
| Sun 4a | Cloudy | 34°1° (likely 34°1° to 38°3°) | 28°−2° | 0% | 7 mph11 km/h from SE, gusts 14 mph23 km/h | 47% | 59% | 0 |
| Sun 5a | Mostly cloudy | 33°1° (likely 33°1° to 39°4°) | 27°−3° | 0% | 7 mph11 km/h from SE, gusts 20 mph32 km/h | 51% | 54% | 0 |
| Sun 6a | Cloudy | 32°0° (likely 32°0° to 39°4°) | 26°−3° | 10% | 6 mph10 km/h from SE, gusts 19 mph30 km/h | 56% | 77% | 0 |
| Sun 7a | Cloudy | 32°0° (likely 32°0° to 39°4°) | 26°−3° | 10% | 6 mph10 km/h from S, gusts 17 mph27 km/h | 58% | 87% | 0 |
| Sun 8a | Cloudy | 33°1° (likely 33°1° to 40°4°) | 29°−2° | 10% | 5 mph8 km/h from SE, gusts 17 mph27 km/h | 61% | 95% | 0 |
| Sun 9a | Cloudy | 37°3° (likely 37°3° to 42°6°) | 33°1° | 10% | 5 mph8 km/h from S, gusts 16 mph26 km/h | 59% | 100% | 1 |
| Sun 10a | Cloudy | 40°4° (likely 40°4° to 44°7°) | 37°3° | 10% | 5 mph8 km/h from S, gusts 16 mph26 km/h | 57% | 100% | 1 |
| Sun 11a | Cloudy | 41°5° (likely 40°4° to 46°8°) | 38°3° | 10% | 5 mph8 km/h from S, gusts 19 mph30 km/h | 57% | 100% | 1 |
| Sun 12p | Cloudy | 41°5° (likely 40°4° to 47°8°) | 38°3° | 40% | 5 mph8 km/h from SE, gusts 18 mph28 km/h | 59% | 100% | 1 |
| Sun 1p | Cloudy | 43°6° (likely 40°4° to 48°9°) | 40°4° | 40% | 5 mph8 km/h from SE, gusts 15 mph24 km/h | 55% | 100% | 1 |
| Sun 2p | Cloudy | 45°7° (likely 41°5° to 48°9°) | 43°6° | 40% | 5 mph8 km/h from SE, gusts 13 mph21 km/h | 51% | 100% | 1 |
| Sun 3p | Cloudy | 45°7° (likely 41°5° to 47°8°) | 43°6° | 40% | 5 mph8 km/h from SE, gusts 12 mph19 km/h | 51% | 100% | 1 |
| Sun 4p | Cloudy | 45°7° (likely 40°4° to 47°8°) | 43°6° | 40% | 5 mph8 km/h from SE, gusts 10 mph16 km/h | 53% | 100% | 1 |
| Sun 5p | Cloudy | 44°7° (likely 40°4° to 46°8°) | 41°5° | 40% | 5 mph8 km/h from SE, gusts 11 mph18 km/h | 58% | 100% | 0 |
| Sun 6p | Cloudy | 42°6° (likely 39°4° to 45°7°) | 39°4° | 40%, 0.01 in0.3 mm | 5 mph8 km/h from S, gusts 12 mph19 km/h | 67% | 100% | 0 |
| Sun 7p | Cloudy | 39°4° (likely 39°4° to 44°7°) | 36°2° | 40%, 0.01 in0.3 mm | 5 mph8 km/h from S, gusts 13 mph21 km/h | 76% | 100% | 0 |
| Sun 8p | Cloudy | 38°3° (likely 38°3° to 42°6°) | 34°1° | 40%, 0.01 in0.3 mm | 5 mph8 km/h from S, gusts 14 mph23 km/h | 82% | 100% | 0 |
| Sun 9p | Cloudy | 38°3° (likely 38°3° to 41°5°) | 34°1° | 40%, 0.01 in0.3 mm | 5 mph8 km/h from S, gusts 13 mph21 km/h | 85% | 100% | 0 |
| Sun 10p | Cloudy | 37°3° (likely 37°3° to 40°4°) | 33°1° | 40%, 0.01 in0.3 mm | 5 mph8 km/h from S, gusts 11 mph18 km/h | 89% | 100% | 0 |
| Sun 11p | Cloudy | 37°3° (likely 37°3° to 40°4°) | 33°1° | 40%, 0.01 in0.3 mm | 5 mph8 km/h from S, gusts 12 mph20 km/h | 89% | 100% | 0 |
| Mon 12a | Rain | 36°2° (likely 36°2° to 40°4°) | 32°0° | 20% | 5 mph8 km/h from S, gusts 13 mph21 km/h | 92% | 100% | 0 |
| Mon 1a | Rain | 36°2° (likely 36°2° to 41°5°) | 32°0° | 20% | 5 mph8 km/h from S, gusts 9 mph14 km/h | 92% | 100% | 0 |
| Mon 2a | Cloudy | 35°2° (likely 35°2° to 41°5°) | 31°−1° | 20% | 5 mph8 km/h from S, gusts 9 mph14 km/h | 96% | 99% | 0 |
| Mon 3a | Cloudy | 35°2° (likely 35°2° to 40°4°) | 31°−1° | 20% | 5 mph8 km/h from S, gusts 8 mph13 km/h | 96% | 99% | 0 |
| Mon 4a | Cloudy | 34°1° (likely 34°1° to 40°4°) | 30°−1° | 20% | 5 mph8 km/h from S, gusts 7 mph11 km/h | 92% | 99% | 0 |
| Mon 5a | Drizzle | 33°1° (likely 33°1° to 39°4°) | 29°−2° | 20% | 5 mph8 km/h from S, gusts 9 mph14 km/h | 92% | 100% | 0 |
| Mon 6a | Snow | 33°1° (likely 33°1° to 39°4°) | 29°−2° | 40%, 0.02 in0.5 mm | 5 mph8 km/h from S, gusts 9 mph15 km/h | 89% | 100% | 0 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Cloudy. High 49°9°, low 31°−1°. Typical 54°12° / 28°−2°. Dry. Forecasts agree.
Morning
6 AM–noon
Partly sunny, 31°−1°Dry
Afternoon
noon–6 PM
Sunny, 48°9°Dry
Evening
6 PM–midnight
Cloudy, 41°5°Dry
Overnight
midnight–6 AM
Mostly cloudy, 33°1°Dry
Official NWS forecast
Today: Mostly sunny. High near 49, with temperatures falling to around 47 in the afternoon. Wind chill values as low as 19. North wind 3 to 18 mph, with gusts as high as 29 mph.
Tonight: Mostly cloudy. Low around 31, with temperatures rising to around 33 overnight. Southeast wind 3 to 10 mph, with gusts as high as 17 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 48°9°–50°10°
- Low, likely
- 31°−1°–35°2°
- Typical high / low
- 54°12° / 28°−2°
- Wind
- 26 mph42 km/h, gusts 42 mph67 km/h
- UV peak
- 4
Tomorrow, Oct 25. Snow. High 46°8°, low 32°0°. Typical 54°12° / 28°−2°. Snow 0.01 in0.3 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 33°1°Dry
Afternoon
noon–6 PM
Cloudy, 45°7°40% chance
Evening
6 PM–midnight
Cloudy, 38°3°40% chance · 0.06 in1.5 mm
Overnight
midnight–6 AM
Rain, 33°1°20% chance
Official NWS forecast
Day: A chance of rain and snow after noon. Cloudy. High near 46, with temperatures falling to around 44 in the afternoon. Southeast wind around 6 mph. Chance of precipitation is 40%.
Night: A chance of rain before 4am, then a slight chance of snow. Cloudy, with a low around 32. South wind around 5 mph. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 41°5°–48°9°
- Low, likely
- 32°0°–37°3°
- Typical high / low
- 54°12° / 28°−2°
- Wind
- 15 mph25 km/h, gusts 30 mph49 km/h
- UV peak
- 1
Monday, Oct 26. Snow. High 46°8°, low 30°−1°. Typical 54°12° / 28°−2°. Snow < 1 in< 2 cm, 40% chance. Forecasts agree.
Morning
6 AM–noon
Snow, 37°3°40% chance · 0.1 in0.4 cm
Afternoon
noon–6 PM
Snow, 39°4°40% chance · 0.06 in1.4 mm
Evening
6 PM–midnight
Cloudy, 35°2°Dry
Overnight
midnight–6 AM
Cloudy, 33°1°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow before 8am, then a chance of rain and snow. Mostly cloudy. High near 46, with temperatures falling to around 44 in the afternoon. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Night: Mostly cloudy, with a low around 30. Southeast wind 10 to 15 mph, with gusts as high as 24 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 39°4°–46°8°
- Low, likely
- 30°−1°–34°1°
- Typical high / low
- 54°12° / 28°−2°
- Wind
- 18 mph29 km/h, gusts 25 mph40 km/h
Tuesday, Oct 27. Partly sunny. High 56°13°, low 27°−3°. Typical 53°12° / 27°−3°. Dry. Forecasts differ.
Morning
6 AM–noon
Mostly sunny, 36°2°Dry
Afternoon
noon–6 PM
Cloudy, 55°13°Dry
Evening
6 PM–midnight
Clear, 39°4°Dry
Overnight
midnight–6 AM
Clear, 33°0°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. Partly cloudy, with a low around 27.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 48°9°–61°16°
- Low, likely
- 27°−3°–35°2°
- Typical high / low
- 53°12° / 27°−3°
- Wind
- 30 mph48 km/h, gusts 44 mph71 km/h
- UV peak
- 4
Wednesday, Oct 28. Partly sunny. High 55°13°, low 28°−2°. Typical 52°11° / 27°−3°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 33°1°Dry
Afternoon
noon–6 PM
Sunny, 57°14°Dry
Evening
6 PM–midnight
Clear, 44°7°Dry
Overnight
midnight–6 AM
Clear, 37°3°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 28.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 54°12°–59°15°
- Low, likely
- 28°−2°–36°2°
- Typical high / low
- 52°11° / 27°−3°
- Wind
- 13 mph20 km/h, gusts 44 mph70 km/h
- UV peak
- 3
Thursday, Oct 29. Cloudy. High 58°14°, low 31°−1°. Typical 52°11° / 26°−3°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 39°4°Dry
Afternoon
noon–6 PM
Cloudy, 61°16°Dry
Evening
6 PM–midnight
Clear, 51°10°Dry
Overnight
midnight–6 AM
Cloudy, 43°6°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 58.
Night: Partly cloudy, with a low around 31.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 58°14°–65°18°
- Low, likely
- 31°−1°–39°4°
- Typical high / low
- 52°11° / 26°−3°
- Wind
- 26 mph42 km/h, gusts 42 mph67 km/h
- UV peak
- 3
Friday, Oct 30. Partly sunny. High 58°14°, low 31°−1°. Typical 52°11° / 26°−3°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 44°7°Dry
Afternoon
noon–6 PM
Cloudy, 62°16°Dry
Evening
6 PM–midnight
Cloudy, 54°12°Dry
Overnight
midnight–6 AM
Cloudy, 44°7°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 58.
Night: A slight chance of rain and snow after midnight. Partly cloudy, with a low around 31.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 58°14°–63°17°
- Low, likely
- 31°−1°–46°8°
- Typical high / low
- 52°11° / 26°−3°
- Wind
- 26 mph41 km/h, gusts 40 mph64 km/h
- UV peak
- 4
Saturday, Oct 31. Drizzle. High 49°9°, low 38°3°. Typical 51°11° / 26°−3°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 43°6°Dry
Afternoon
noon–6 PM
Cloudy, 49°10°Dry
Evening
6 PM–midnight
Partly cloudy, 43°6°Dry
Overnight
midnight–6 AM
Snow, 34°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
- 44°7°–54°12°
- Low, likely
- 29°−2°–44°7°
- Typical high / low
- 51°11° / 26°−3°
- Wind
- 17 mph27 km/h, gusts 25 mph41 km/h
- UV peak
- 3
Sunday, Nov 1. Snow. High 46°8°, low 33°1°. Typical 51°11° / 25°−4°. Snow 0.08 in2 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 36°2°Dry
Afternoon
noon–6 PM
Sunny, 46°8°Dry
Evening
6 PM–midnight
Clear, 38°3°Dry
Overnight
midnight–6 AM
Clear, 32°0°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
- 42°6°–51°11°
- Low, likely
- 24°−4°–41°5°
- Typical high / low
- 51°11° / 25°−4°
- Wind
- 26 mph42 km/h, gusts 37 mph59 km/h
- UV peak
- 4
Monday, Nov 2. Partly sunny. High 50°10°, low 35°2°. Typical 50°10° / 25°−4°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 39°4°Dry
Afternoon
noon–6 PM
Sunny, 52°11°Dry
Evening
6 PM–midnight
Partly cloudy, 43°6°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°–58°14°
- Low, likely
- 31°−1°–37°3°
- Typical high / low
- 50°10° / 25°−4°
- Wind
- 14 mph22 km/h, gusts 26 mph42 km/h
- UV peak
- 4
The outlook
Today
Dry, high 49°, low 31°.
Tomorrow
44% chance of snow, high 46°, low 32°, cooling off.
Monday
36% chance of snow, high 46°, low 30°.
Rest of week
Mostly dry, highs 46–58°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (UNR) (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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Belle Fourche River below Moorcroft
21 mi- Level
- 1.2 ft
Reading from Sat 6:15 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 51Typical 175
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 45
- 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 12 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 27°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?
Upton · official normals 1991–2020 · records 1909–2026
Oct 24, today vs a typical year
Today’s expected high is 5°3° colder than typical.
- Normal high / low
- 54°12° / 28°−2°
- Forecast high / low
- 49°9° / 31°−1°
- Record high
- 77°25° in 1927
- Record low
- 12°−11° in 2020
Last 7 days vs normal
- —SunOct 18
- —MonOct 19
- —TueOct 20
- —WedOct 21
- —ThuOct 22
- —FriOct 23
- —SatOct 24
Upton weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:24 AM, sunset 5:59 PM.
- Daylight
- 10 h 35 min
- Losing 2 min 53 s a day; shortest Dec 21, 1 h 42 min less
- Golden hour
- 5:19–6:18 PM
- Morning 7:06–8:05 AM
- Blue hour
- 6:18–6:29 PM
- Morning 6:55–7:06 AM; first light 6:55 AM
Stars tonight? Poor
Clouds most of the night (about 64% cover).
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:39 AM · rises 4:59 PM
- Full moon
- Oct 25
- New moon
- Nov 9
