National Weather Service State College, PA Weather Impact Matrix for Union County Decision Support Valid: 04/30/2026 11 AM - 04/30/2026 10 PM EDT

Thu 04/30 11 AM Thu 04/30 12 PM Thu 04/30 1 PM Thu 04/30 2 PM Thu 04/30 3 PM Thu 04/30 4 PM Thu 04/30 5 PM Thu 04/30 6 PM Thu 04/30 7 PM Thu 04/30 8 PM Thu 04/30 9 PM Thu 04/30 10 PM Temperature 55°F 56°F 57°F 59°F 59°F 59°F 60°F 57°F 57°F 55°F 50°F 48°F Wind Chill 55°F 56°F 57°F 59°F 59°F 59°F 60°F 57°F 57°F 55°F 48°F 46°F Wind Speed 6 mph 8 mph 9 mph 9 mph 9 mph 10 mph 10 mph 9 mph 6 mph 5 mph 5 mph 4 mph Wind Direction NW NW NW NW NW NW NW NW NW NW NW NW Wind Gust 14 mph 14 mph 16 mph 16 mph 18 mph 18 mph 19 mph 18 mph 17 mph 16 mph 13 mph 12 mph Chance of Precipitation 13% 14% 15% 18% 22% 25% 28% 22% 17% 11% 9% 7% Weather None None Rain Rain Rain Rain Rain Rain Rain None None None Sky Cover 52% 55% 59% 62% 62% 63% 63% 62% 61% 60% 52% 45% Relative Humidity 69% 64% 62% 57% 57% 57% 53% 57% 55% 57% 68% 71% 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 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 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 Issued: Thursday April 30, 2026 10:57 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