National Weather Service State College, PA Weather Impact Matrix for Perry County Decision Support Valid: 07/17/2026 02 PM - 07/18/2026 12 AM EDT

Fri 07/17 2 PM Fri 07/17 3 PM Fri 07/17 4 PM Fri 07/17 5 PM Fri 07/17 6 PM Fri 07/17 7 PM Fri 07/17 8 PM Fri 07/17 9 PM Fri 07/17 10 PM Fri 07/17 11 PM Sat 07/18 12 AM Temperature 83°F 83°F 84°F 85°F 84°F 83°F 82°F 79°F 76°F 73°F 72°F Heat Index 82°F 82°F 83°F 84°F 83°F 83°F 83°F 79°F 76°F 73°F 72°F Wind Speed 3 mph 3 mph 3 mph 2 mph 3 mph 1 mph 1 mph 1 mph 1 mph 1 mph 1 mph Wind Direction NW NW NW NW NW N NE SE S S S Wind Gust 4 mph 4 mph 4 mph 4 mph 4 mph 2 mph 2 mph 1 mph 2 mph 2 mph 2 mph Chance of Precipitation 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 1% Weather Sky Cover 60% 59% 59% 59% 59% 58% 58% 61% 63% 66% 69% Relative Humidity 41% 41% 38% 37% 40% 44% 49% 52% 58% 64% 64% 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 Issued: Friday July 17, 2026 02:11 PM 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