National Weather Service State College, PA Weather Impact Matrix for Dauphin County Decision Support Valid: 07/04/2025 08 AM - 07/04/2025 08 PM EDT

Fri 07/04 8 AM Fri 07/04 9 AM Fri 07/04 10 AM Fri 07/04 11 AM Fri 07/04 12 PM Fri 07/04 1 PM Fri 07/04 2 PM Fri 07/04 3 PM Fri 07/04 4 PM Fri 07/04 5 PM Fri 07/04 6 PM Fri 07/04 7 PM Fri 07/04 8 PM Temperature 68°F 71°F 74°F 77°F 79°F 80°F 82°F 82°F 82°F 83°F 81°F 81°F 79°F Heat Index 68°F 71°F 74°F 77°F 79°F 80°F 81°F 81°F 81°F 82°F 81°F 81°F 79°F Wind Speed 2 mph 2 mph 3 mph 4 mph 4 mph 4 mph 4 mph 4 mph 3 mph 3 mph 2 mph 2 mph 1 mph Wind Direction N N N N N N N N N N N N NE Wind Gust 5 mph 5 mph 8 mph 9 mph 9 mph 9 mph 9 mph 9 mph 8 mph 8 mph 5 mph 4 mph 2 mph Chance of Precipitation 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% Weather None None None None None None None None None None None None None Sky Cover 7% 2% 0% 1% 2% 2% 3% 5% 2% 2% 3% 3% 2% Relative Humidity 72% 61% 54% 48% 45% 42% 39% 39% 40% 39% 42% 43% 50% 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: Friday July 04, 2025 04:47 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