National Weather Service State College, PA Weather Impact Matrix for Northumberland County Decision Support Valid: 01/15/2025 08 AM - 01/15/2025 08 PM EST

Wed 01/15 8 AM Wed 01/15 9 AM Wed 01/15 10 AM Wed 01/15 11 AM Wed 01/15 12 PM Wed 01/15 1 PM Wed 01/15 2 PM Wed 01/15 3 PM Wed 01/15 4 PM Wed 01/15 5 PM Wed 01/15 6 PM Wed 01/15 7 PM Wed 01/15 8 PM Temperature 20°F 22°F 25°F 27°F 28°F 29°F 30°F 30°F 30°F 28°F 27°F 25°F 25°F Wind Chill 7°F 10°F 13°F 16°F 17°F 18°F 19°F 21°F 19°F 17°F 17°F 16°F 16°F Wind Speed 9 mph 10 mph 10 mph 11 mph 11 mph 10 mph 11 mph 11 mph 11 mph 10 mph 9 mph 8 mph 6 mph Wind Direction W NW NW NW NW NW NW W W W W W W Wind Gust 20 mph 21 mph 24 mph 24 mph 24 mph 24 mph 24 mph 23 mph 23 mph 20 mph 18 mph 17 mph 16 mph Chance of Precipitation 3% 6% 9% 12% 14% 14% 14% 12% 10% 8% 6% 4% 3% Weather None None None None None None None None None None None None None Sky Cover 67% 69% 71% 73% 74% 76% 74% 73% 72% 64% 56% 48% 44% Relative Humidity 65% 60% 56% 52% 50% 48% 47% 46% 47% 52% 55% 60% 59% 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: Wednesday January 15, 2025 02:25 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