National Weather Service State College, PA Weather Impact Matrix for York County Decision Support Valid: 01/07/2025 08 AM - 01/07/2025 08 PM EST

Tue 01/07 8 AM Tue 01/07 9 AM Tue 01/07 10 AM Tue 01/07 11 AM Tue 01/07 12 PM Tue 01/07 1 PM Tue 01/07 2 PM Tue 01/07 3 PM Tue 01/07 4 PM Tue 01/07 5 PM Tue 01/07 6 PM Tue 01/07 7 PM Tue 01/07 8 PM Temperature 21°F 23°F 25°F 26°F 28°F 29°F 29°F 29°F 29°F 28°F 28°F 27°F 26°F Wind Chill 6°F 8°F 10°F 12°F 15°F 17°F 17°F 17°F 18°F 17°F 17°F 17°F 15°F Wind Speed 16 mph 16 mph 17 mph 18 mph 18 mph 18 mph 18 mph 18 mph 16 mph 14 mph 12 mph 11 mph 12 mph Wind Direction NW NW NW NW NW NW NW NW NW NW NW NW W Wind Gust 28 mph 29 mph 29 mph 31 mph 31 mph 31 mph 31 mph 31 mph 28 mph 26 mph 24 mph 21 mph 23 mph Chance of Precipitation 0% 1% 1% 1% 2% 2% 2% 2% 2% 2% 2% 2% 2% Weather None None None None None None None None Sky Cover 30% 28% 26% 25% 24% 24% 24% 23% 23% 23% 24% 23% 27% Relative Humidity 69% 70% 70% 68% 67% 65% 68% 65% 65% 64% 67% 69% 70% Rainfall 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in Snow Accumulation 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in Ice Accumulation 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in Issued: Tuesday January 07, 2025 07:49 AM EST

Threat Level	None	Limited	Elevated	Significant	Extreme
Temperature	≥10 °F	10 to 1 °F	0 to -9 °F	-10 to -24 °F	≤-25 °F
Wind Chill	≥10 °F	10 to 1 °F	0 to -9 °F	-10 to -24 °F	≤-25 °F
Wind Speed	≤10 mph	10 to 14 mph	15 to 24 mph	25 to 34 mph	≥35 mph
Wind Gust	≤15 mph	15 to 24 mph	25 to 34 mph	35 to 44 mph	≥45 mph
Chance of Precipitation	≤15 %	15 to 24 %	25 to 54 %	55 to 74 %	≥75 %
Relative Humidity	≥15 %	15 to 21 %	20 to 31 %	30 to 41 %	≤40 %
Rainfall	≤0.1 in	0.1 to 0.24 in	0.25 to 0.49 in	0.5 to 0.99 in	≥1.0 in
Snow Accumulation	≤0.1 in	0.1 to 0.9 in	1.0 to 2.9 in	3.0 to 5.9 in	≥6.0 in
Ice Accumulation	≤0.01 in	0.01 to 0.09 in	0.1 to 0.24 in	0.25 to 0.49 in	≥0.5 in

Note -

Grey color indicates no thresholds assigned