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Hazardous Weather Conditions
Current conditions at
Altoona - Blair County Airport (KAOO)
Lat: 40.3°NLon: 78.32°WElev: 1467ft.
Partly Cloudy
13°F
-11°C
| Humidity | 54% |
| Wind Speed | NW 20 G 37 mph |
| Barometer | 30.28 in (1028.0 mb) |
| Dewpoint | -1°F (-18°C) |
| Visibility | 10.00 mi |
| Wind Chill | -5°F (-21°C) |
| Last update | 23 Jan 5:53 pm EST |
Extended Forecast for
4 Miles WNW Williamsburg PA
Cold Weather Advisory until January 24, 10:00am
Winter Storm Warning January 24, 10:00pm until January 26, 01:00pm
NOW until 10:00am Sat

Cold Weather Advisory
Tonight

Low: 0 °F
Partly Cloudy
Saturday

High: 16 °F
Partly Sunny
Saturday Night
Low: 10 °F
Chance Snow
then Heavy
SnowSunday
High: 20 °F
Heavy Snow
then
Snow/SleetSunday Night
Low: 15 °F
Snow/Sleet
then SnowMonday

High: 21 °F
Chance Snow
Monday Night

Low: 2 °F
Mostly Cloudy
Tuesday

High: 18 °F
Mostly Sunny
Detailed Forecast
Tonight
Partly cloudy, with a low around 0. Wind chill values as low as -10. Northwest wind 6 to 16 mph, with gusts as high as 29 mph.
Saturday
Partly sunny, with a high near 16. Wind chill values as low as -10. Light and variable wind.
Saturday Night
Snow, mainly after 1am. The snow could be heavy at times. Low around 10. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow before 4pm, then snow, possibly mixed with sleet. The snow could be heavy at times. High near 20. East wind around 7 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 7 to 11 inches possible.
Sunday Night
Snow, possibly mixed with sleet, becoming all snow after 10pm. Low around 15. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 5 inches possible.
Monday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 21. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Mostly cloudy, with a low around 7.
Wednesday
Partly sunny, with a high near 18.
Wednesday Night
Mostly cloudy, with a low around 3.
Thursday
A chance of snow showers. Partly sunny, with a high near 17. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 0.
Friday
Partly sunny, with a high near 18.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles WNW Williamsburg PA
40.48°N 78.29°W (Elev. 988 ft)
40.48°N 78.29°W (Elev. 988 ft)
3:16 pm EST Jan 23, 2026
6pm EST Jan 23, 2026-6pm EST Jan 30, 2026



