Snow Day Predictor for Grass Valley, CA

Wednesday night — August 19, 2026

PREDICTION SUMMARY

Grass Valley, CA Snow Day Likelihood: 0% — Open as Usual

No significant winter weather expected. Schools should operate normally.

OUR PREDICTION

0% Snow Day Probability 0%
Open as Usual

CURRENT SNOW CONDITIONS IN GRASS VALLEY

84°F / 29°C
Temperature
Mainly clear
Conditions
5 mph
Wind Speed
22%
Humidity
80°F / 26°C
Feels Like

CONTRIBUTING FACTORS

No significant weather factors detected. Schools should be open as usual.

THE #1 SNOW DAY PREDICTOR FOR GRASS VALLEY

Parents and students in Grass Valley use our Snow Day Predictor to get the most accurate school closing odds. Unlike standard forecasts that show daily totals, our Grass Valley snow day predictor analyzes the critical morning window — 3 AM to 9 AM.

Snowfall Amount — Accumulation rates between 4 AM and 7 AM
Temperature — Sub-freezing temps that keep roads icy
Wind Speed — High winds causing whiteout conditions
Wind Chill — Dangerous cold that triggers closures
Ice Conditions — Freezing rain and black ice alerts
Storm Codes — Active severe weather condition flags

Current Snow Conditions in Grass Valley, California

Updated Aug 19, 2026, 2:32 AM UTC

Temperature

29°C
84°F

Snow probability

0%
next 24 hours

Conditions

Mainly clear

Snow this week

0"
0 cm forecast

It is currently 29°C (84°F) in Grass Valley, California with mainly clear. The chance of snow in the next 24 hours is 0%, with no significant snowfall forecast over the next 7 days.

🥶
Feels like
26°C / 80°F
💧
Humidity
22%
💨
Wind
5 mph
⏱️
Pressure
1015 hPa
👁️
Visibility
10 km
❄️
Snow depth
0 cm

7-Day Snow Forecast for Grass Valley

Day High / Low Snowfall Precip. Chance Conditions
Tue, Aug 18 33° / 20°C (91° / 68°F) 0% Partly cloudy
Wed, Aug 19 34° / 21°C (93° / 70°F) 0% Overcast
Thu, Aug 20 35° / 23°C (95° / 73°F) 0% Clear sky
Sat, Aug 22 Unknown
Sun, Aug 23 Unknown
Mon, Aug 24 Unknown
Tue, Aug 25 Unknown

Forecast data from Open-Meteo, which aggregates NOAA GFS, DWD ICON and ECMWF models. Updated hourly.

🌡️ Detailed Current Snow Condition of California

Data Quality

Excellent
Real-time accuracy
❄️

Snow Quality

Dry / None
★★☆☆☆
Rating: N/A
🥶

Wind Chill

80°F / 26°C
Manageable
Feels like temperature
👁️

Visibility

10 km
Excellent
Current visibility
⏱️

Pressure

1015 hPa
Steady
Atmospheric pressure
☀️

Solar Rad.

0 W/m²
Low
Current radiation
💧

Humidity

22%
Humid
Relative humidity
🌡️

Dew Point

56°F / 13°C
High risk
Dew point temp.
☁️

Cloud Cover

0%
L:0 M:0 H:0
Total cloud coverage
🌱

Soil Temp

50°F / 10°C
Low probability
Ground temperature

Comprehensive Snow Forecast for Grass Valley, CA Guide

Grass Valley, California experiences unique winter weather patterns that require accurate forecasting. Located in California, the city sees its fair share of winter precipitation from late fall through early spring. Understanding the local climate is essential for residents and visitors alike, as temperatures can drop significantly, and snowstorms can impact daily commutes and school schedules. Our advanced prediction models analyze atmospheric pressure, coastal or inland influences, and temperature inversions to provide the most reliable snow forecast for Grass Valley.

The snow patterns in Grass Valley are influenced by regional storm systems and seasonal cold fronts. While some years bring heavy accumulation, others may see milder winter conditions. We track high-probability snow events, freezing rain, and ice accumulation to give you a complete picture of the winter weather ahead. Whether you're planning a winter trip, checking if schools will be closed, or preparing for a major blizzard, our 16-day extended outlooks and hourly updates ensure you're always prepared for Grass Valley's winter weather.

Key Facts About Grass Valley Snowfall

  • ❄️ Winter Climate: Grass Valley experiences varying snow conditions depending on the severity of the winter season in California.
  • ❄️ Peak Snow Months: Typically, December through February bring the highest chances of significant snowfall and freezing temperatures.
  • ❄️ School Closures: Ice accumulation and rapid snow dumping are the primary triggers for snow days in the Grass Valley district.
  • ❄️ Storm Systems: Local weather is heavily influenced by regional cold fronts and moisture from surrounding weather systems.
  • ❄️ Preparation: Residents should monitor 24-hour accumulation forecasts for safe travel and daily planning.

Best Time to Visit Grass Valley for Snow

For visitors seeking the full winter experience in Grass Valley, January and February generally offer the most consistent snow cover and traditional winter atmosphere. Early winter in December can bring beautiful first snowfalls, while March often provides a mix of late-season storms and gradual warming. If you are traveling for winter sports, photography, or just to enjoy a snowy getaway, planning your trip during the peak mid-winter months ensures the best chance of experiencing Grass Valley's winter wonderland. Always monitor our 7-day snow forecast before your trip to pack appropriately for the conditions.

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Last updated 2:32 AM · Not affiliated with any school district