National Weather Service State College, PA Weather Impact Matrix for Cumberland County Decision Support Valid: 07/17/2025 08 AM - 07/17/2025 08 PM EDT

Thu 07/17 8 AM Thu 07/17 9 AM Thu 07/17 10 AM Thu 07/17 11 AM Thu 07/17 12 PM Thu 07/17 1 PM Thu 07/17 2 PM Thu 07/17 3 PM Thu 07/17 4 PM Thu 07/17 5 PM Thu 07/17 6 PM Thu 07/17 7 PM Thu 07/17 8 PM Temperature 76°F 79°F 82°F 84°F 87°F 88°F 89°F 90°F 89°F 88°F 87°F 85°F 84°F Heat Index 76°F 79°F 89°F 92°F 96°F 99°F 99°F 101°F 98°F 96°F 94°F 91°F 90°F Wind Speed 5 mph 5 mph 6 mph 8 mph 9 mph 10 mph 10 mph 10 mph 10 mph 10 mph 10 mph 8 mph 6 mph Wind Direction SW SW SW SW SW SW W W W W W W W Wind Gust 13 mph 13 mph 16 mph 16 mph 18 mph 18 mph 19 mph 20 mph 20 mph 20 mph 19 mph 18 mph 17 mph Chance of Precipitation 1% 1% 1% 5% 8% 6% 23% 11% 12% 21% 15% 11% 4% Weather None None None None None None Rain Thunder None None Rain Thunder Rain Thunder None None Sky Cover 33% 38% 30% 43% 55% 38% 45% 33% 31% 40% 25% 18% 22% Relative Humidity 90% 85% 79% 74% 68% 68% 64% 62% 61% 61% 63% 65% 67% 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 Issued: Thursday July 17, 2025 07:48 AM EDT

Threat Level	None	Limited	Elevated	Significant	Extreme
Temperature	≤80 °F	80 to 89 °F	90 to 94 °F	95 to 99 °F	≥100 °F
Heat Index	≤80 °F	80 to 89 °F	90 to 94 °F	95 to 99 °F	≥100 °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

Note -

Grey color indicates no thresholds assigned