National Weather Service State College, PA Weather Impact Matrix for Franklin County Decision Support Valid: 09/22/2025 08 AM - 09/22/2025 08 PM EDT

Mon 09/22 8 AM Mon 09/22 9 AM Mon 09/22 10 AM Mon 09/22 11 AM Mon 09/22 12 PM Mon 09/22 1 PM Mon 09/22 2 PM Mon 09/22 3 PM Mon 09/22 4 PM Mon 09/22 5 PM Mon 09/22 6 PM Mon 09/22 7 PM Mon 09/22 8 PM Temperature 60°F 64°F 68°F 71°F 73°F 77°F 80°F 82°F 82°F 83°F 81°F 79°F 76°F Heat Index 60°F 64°F 68°F 71°F 73°F 77°F 82°F 83°F 83°F 84°F 82°F 81°F 76°F Wind Speed 3 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 5 mph 5 mph Wind Direction S S S S S S S S S S S S S Wind Gust 8 mph 9 mph 10 mph 11 mph 12 mph 12 mph 12 mph 13 mph 13 mph 12 mph 12 mph 11 mph 10 mph Chance of Precipitation 5% 5% 5% 5% 6% 7% 17% 19% 19% 18% 21% 21% 15% Weather None None None None None None Rain Rain Rain Rain Rain Rain Rain Thunder Sky Cover 79% 78% 83% 83% 61% 39% 33% 38% 35% 39% 39% 40% 30% Relative Humidity 98% 90% 81% 77% 71% 64% 58% 55% 55% 53% 56% 60% 69% 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: Sunday September 21, 2025 08:06 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