Snow Day Predictor in USA

Prediction for Great Falls, VA 22066

Snow Day Prediction

0%
Today

Tuesday, Apr 21
Clear Skies. Enjoy School!

0%
Tomorrow

Wednesday, Apr 22
Clear Skies. Enjoy School!

0%
0-55%
55-75%
75-87%
87-99%

⚠️ Active Weather Alerts

Freeze Warning
Freeze Warning issued April 21 at 1:31AM EDT until April 21 at 10:00AM EDT by NWS Baltimore MD/Washington DC

📋 Current Weather Summary

Current:
Widespread Frost then Sunny
Temperature:
62°F
Wind:
0 to 9 mph

Today’s Weather

🌤️
12 PM
34°F
Widespread Frost

🌤️
1 PM
40°F
Widespread Frost

☀️
2 PM
45°F
Sunny

☀️
3 PM
49°F
Sunny

Tomorrow’s Weather

☁️
4 AM
52°F
Partly Cloudy

☁️
5 AM
51°F
Mostly Cloudy

☁️
6 AM
52°F
Mostly Cloudy

☁️
7 AM
51°F
Mostly Cloudy

Data for Great Falls, VA 22066.
Last updated: April 21, 2026 12:47 PM

Snow Day Probability Index

LimitedNo chance due to low precipitation chance.
0%-55%Little to no chance of anything, but possible.
55%-75%Delay Likely.
75%-87%Possibility of No School.
87%-99%No School or Possible Early Dismissal.

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