National Weather Service State College, PA Weather Impact Matrix for Potter County Decision Support Valid: 09/20/2025 08 AM - 09/20/2025 08 PM EDT

Sat 09/20 8 AM Sat 09/20 9 AM Sat 09/20 10 AM Sat 09/20 11 AM Sat 09/20 12 PM Sat 09/20 1 PM Sat 09/20 2 PM Sat 09/20 3 PM Sat 09/20 4 PM Sat 09/20 5 PM Sat 09/20 6 PM Sat 09/20 7 PM Sat 09/20 8 PM Temperature 43°F 48°F 56°F 61°F 65°F 68°F 70°F 72°F 73°F 73°F 71°F 67°F 63°F Heat Index 39°F 45°F 57°F 61°F 65°F 68°F 70°F 72°F 73°F 73°F 71°F 67°F 63°F Wind Speed 4 mph 4 mph 4 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph Wind Direction E E E E E E E E E E E E E Wind Gust 8 mph 10 mph 11 mph 11 mph 11 mph 11 mph 10 mph 10 mph 11 mph 11 mph 11 mph 11 mph 11 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 30% 15% 15% 13% 14% 19% 28% 29% 36% 34% 36% 36% 40% Relative Humidity 88% 83% 62% 50% 43% 40% 37% 35% 35% 35% 37% 44% 52% 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 September 19, 2025 08:23 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