Thursday, Sep 10
11
/100
Corn Score
❄️ Poor corn conditions on the model's read. Overnight: 53°F at Climbers Bivouac (⚠️ didn't freeze). Crater Rim overnight low: forecast 48°F. Daytime high: 64°F at Climbers Bivouac.
🌙 53°F
overnight low
☀️ 64°F
daytime high
💨 10 mph
wind
❄️ 0"
new snow
🔄 0
streak
Confidence
100%
How this score was built ⓘ
- Refreeze (× 0.5) +0.0
- Warming (× 0.3) +10.7
- Streak bonus (capped at 20) +0
- Final score 10.7 / 100
Why this score?
- Refreeze 0/100 contributed +0 pts (50% weight). Snow surface estimated ~46°F (air 53°F − 7°F radiative cooling — sky 21% cloud, wind ×0.87, humidity ×0.86).
- Warming 36/100 contributed +11 pts (30% weight).
- Freeze/thaw streak is 0 days — base score (refreeze + warming) caps at 80 until a streak builds.
Condition Components
🥶 Refreeze
0/100
Air low: 53°F → surface ~46°F (radiative -7°F), Cloud: 21%, Wind: 2 mph, Dew: 46°F
☀️ Warming
36/100
High: 64°F (mush risk)
🔄 Streak
0 days
Consecutive freeze/thaw days
💨 Wind
10 mph
Max wind (mph) at Crater Rim
7-Day Outlook
Thu
Sep 10
Sep 10
11/100
Lo: 53°
Hi: 64°
Day: Mostly Cloudy
Night:
Partly Cloudy
26% cl · 2 mph · dew 49°
high conf
Fri
Sep 11
Sep 11
43/100
Lo: 60°
Hi: 55°
Day: Mostly Cloudy
Night:
Mostly Cloudy
59% cl · 2 mph · dew 49°
med conf
Sat
Sep 12
Sep 12
29/100
Lo: 48°
Hi: 51°
Day: Chance Rain Showers
Night:
Cloudy
87% cl · 1 mph · dew 44°
med conf
Sun
Sep 13
Sep 13
29/100
Lo: 45°
Hi: 49°
Day: Rain Showers Likely
Night:
Rain Showers
82% cl · 4 mph · dew 47°
med conf
Mon
Sep 14
Sep 14
22/100
Lo: 43°
Hi: 56°
Day: Mostly Sunny
Night:
Chance Light Rain
69% cl · 1 mph · dew 46°
med conf
Tue
Sep 15
Sep 15
10/100
Lo: 47°
Hi: 64°
Day: Sunny
Night:
Mostly Clear
30% cl · 4 mph · dew 46°
med conf
Wed
Sep 16
Sep 16
4/100
Lo: 52°
Hi: 68°
Day: Sunny
Night:
Mostly Clear
14% cl · 7 mph · dew 44°
med conf
Freeze/Thaw History
Recent Snowfall
| Day | New Snow Climbers Bivouac 3,440′ |
Est. Crater Rim ~8,300′ |
Source confidence |
SWE Δ in / 24h |
Precip in / 24h |
Depth | Low / High |
|---|---|---|---|---|---|---|---|
| Thu Sep 10 | — | — | none high | — | — | 0" | 53° / 64° |
| Wed Sep 9 | — | — | none high | — | — | 0" | 58° / 72° |
| Tue Sep 8 | — | — | noise filtered high | — | — | 1" | 47° / 64° |
| Mon Sep 7 | — | — | none high | — | — | 0" | 46° / 53° |
| Sun Sep 6 | — | — | none high | — | 0.1 | 0" | 48° / 52° |
| Sat Sep 5 | — | — | none high | — | — | 0" | 46° / 54° |
| Fri Sep 4 | — | — | none high | — | — | 0" | 43° / 52° |
| Thu Sep 3 | — | — | none high | — | 1.0 | 0" | 43° / 48° |
| Wed Sep 2 | — | — | none high | — | 1.1 | 0" | 46° / 49° |
| Tue Sep 1 | — | — | none high | — | 0.2 | 0" | 49° / 56° |
| Mon Aug 31 | — | — | none high | — | — | 0" | 56° / 71° |
| Sun Aug 30 | — | — | none high | — | — | 0" | 42° / 57° |
| Sat Aug 29 | — | — | none high | — | 0.2 | 0" | 44° / 51° |
| Fri Aug 28 | — | — | none high | — | 0.1 | 0" | 49° / 62° |
| Thu Aug 27 | — | — | — low | — | — | 0" | 50° / 57° |
St. Helens Webcams view gallery →
Latest Observation
Air Temp
60.4°F
Snow Depth
0.0"
SWE
None"
Time
2026-09-10T15:00
Forecasts View archive →
No NWAC forecast data yet.
No UW forecast data yet.
Data Collection
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23:30
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6 rec
23:25
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3 rec
23:21
snotel_wells_creek
2 rec
23:21
nws
1248 rec
23:21
snotel_paradise
2 rec
23:21
webcam
5 rec
23:20
webcam
5 rec
23:15