National Weather Service State College, PA Weather Impact Matrix for Dauphin County Decision Support Valid: 08/22/2025 02 PM - 08/23/2025 12 AM EDT

Fri 08/22 2 PM Fri 08/22 3 PM Fri 08/22 4 PM Fri 08/22 5 PM Fri 08/22 6 PM Fri 08/22 7 PM Fri 08/22 8 PM Fri 08/22 9 PM Fri 08/22 10 PM Fri 08/22 11 PM Sat 08/23 12 AM Temperature 81°F 82°F 82°F 81°F 81°F 79°F 76°F 73°F 70°F 69°F 67°F Heat Index 81°F 82°F 82°F 81°F 81°F 79°F 76°F 73°F 70°F 69°F 67°F Wind Speed 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 1 mph 1 mph 2 mph 2 mph Wind Direction N N E SE SE SE SE SE SE S S Wind Gust 4 mph 4 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 mph 3 mph 4 mph 4 mph Chance of Precipitation 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% Weather None None None None None None None None None None None Sky Cover 4% 9% 11% 7% 9% 10% 7% 4% 5% 2% 4% Relative Humidity 45% 44% 42% 45% 45% 50% 57% 63% 70% 70% 77% 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 August 22, 2025 01:47 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