– Lat/Long: 40.28° N 105.67° W
Petit Grepon
Weather Forecast, United StatesIssued: 5 pm Sun 17 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Sun 17 May Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Sun 17 May Local Time
Updates in:
Update imminent hr min s
2 Petit Grepon Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 3°C on Sun afternoon, min -8°C on Mon night). Winds decreasing (fresh winds from the SW on Sun afternoon, light winds from the SE by Mon afternoon). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Wed afternoon. Freeze-thaw conditions (max 3°C on Sat morning, min -6°C on Thu night). Winds increasing (light winds from the WSW on Thu night, fresh winds from the W by Sat morning). | ||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  | |  | | | |  | | | |
risk tstorm | mod. snow | mod. snow | heavy snow | light snow | some clouds | mod. snow | snow shwrs | snow shwrs | snow shwrs | some clouds | some clouds | snow shwrs | snow shwrs | cloudy | some clouds | snow shwrs | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 9 | 7 | 14 | 5 | — | 10 | 6 | 1 | 1 | — | — | 1 | 2 | — | — | 1 | |
0.5 | — | — | — | — | — | — | — | — | — | — | — | 0.7 | — | — | — | — | |
max °C | 3 | -3 | -5 | -6 | -6 | -3 | -4 | -6 | -2 | -1 | -4 | 1 | 2 | -4 | -1 | 0 | -3 |
min °C | 1 | -5 | -5 | -6 | -8 | -5 | -6 | -7 | -3 | -1 | -5 | -1 | 0 | -6 | -3 | 0 | -4 |
-4 | -10 | -9 | -9 | -16 | -12 | -11 | -14 | -9 | -6 | -10 | -5 | -4 | -9 | -8 | -6 | -10 | |
3950 | 3250 | 2900 | 2750 | 2350 | 2750 | 3150 | 2600 | 3150 | 3500 | 2700 | 3450 | 3950 | 3100 | 3100 | 3700 | 3050 | |
Cloud base (m) | 4600 | 3250 | 3200 | 3250 | 3250 | 3200 | 3300 | 3200 | 3200 | 4100 | 6300 | 4950 | 3300 | 3200 | 4450 | 3300 | |
 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — |
 | 8:13 | — | — | 8:14 | — | — | 8:15 | — | — | 8:15 | — | — | 8:16 | — | — | 8:16 | — |
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Petit Grepon Weather (Days 0-3):
The weather forecast for Petit Grepon is: A heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 3°C on Sun afternoon, min -8°C on Mon night). Winds decreasing (fresh winds from the SW on Sun afternoon, light winds from the SE by Mon afternoon).
Petit Grepon Weather (Days 3-6):
A light covering of new snow mostly falling on Wed afternoon. Freeze-thaw conditions (max 3°C on Sat morning, min -6°C on Thu night). Winds increasing (light winds from the WSW on Thu night, fresh winds from the W by Sat morning).
This table gives the weather forecast for Petit Grepon at the specific elevation of 3658 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Petit Grepon. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Colorado.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
lightning 7km WNW of Lyons |  | ||||
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* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.