National Weather Service State College, PA Weather Impact Matrix for Columbia County Decision Support Valid: 04/24/2025 08 AM - 04/24/2025 08 PM EDT

Thu 04/24 8 AM Thu 04/24 9 AM Thu 04/24 10 AM Thu 04/24 11 AM Thu 04/24 12 PM Thu 04/24 1 PM Thu 04/24 2 PM Thu 04/24 3 PM Thu 04/24 4 PM Thu 04/24 5 PM Thu 04/24 6 PM Thu 04/24 7 PM Thu 04/24 8 PM Temperature 54°F 61°F 68°F 72°F 75°F 78°F 79°F 80°F 81°F 81°F 79°F 76°F 72°F Wind Chill 54°F 61°F 68°F 72°F 75°F 78°F 79°F 79°F 79°F 79°F 79°F 76°F 72°F Wind Speed 1 mph 1 mph 1 mph 2 mph 4 mph 5 mph 5 mph 5 mph 5 mph 5 mph 4 mph 3 mph 2 mph Wind Direction SE S SW S SW SW S SW SW S SW S S Wind Gust 1 mph 2 mph 5 mph 9 mph 11 mph 13 mph 13 mph 14 mph 13 mph 13 mph 12 mph 12 mph 11 mph Chance of Precipitation 2% 2% 2% 2% 2% 2% 2% 2% 3% 3% 3% 4% 3% Weather None None None None None None None None None None None None None Sky Cover 22% 18% 14% 11% 13% 14% 15% 16% 16% 17% 17% 16% 16% Relative Humidity 64% 52% 43% 38% 33% 30% 28% 27% 26% 26% 30% 34% 41% 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: Thursday April 24, 2025 08:01 AM EDT

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