National Weather Service State College, PA Weather Impact Matrix for Mifflin County Decision Support Valid: 06/25/2025 08 AM - 06/25/2025 08 PM EDT

Wed 06/25 8 AM Wed 06/25 9 AM Wed 06/25 10 AM Wed 06/25 11 AM Wed 06/25 12 PM Wed 06/25 1 PM Wed 06/25 2 PM Wed 06/25 3 PM Wed 06/25 4 PM Wed 06/25 5 PM Wed 06/25 6 PM Wed 06/25 7 PM Wed 06/25 8 PM Temperature 79°F 82°F 86°F 89°F 90°F 91°F 93°F 92°F 92°F 92°F 89°F 86°F 83°F Heat Index 79°F 88°F 93°F 98°F 100°F 101°F 103°F 102°F 101°F 102°F 98°F 95°F 90°F Wind Speed 1 mph 1 mph 1 mph 2 mph 2 mph 2 mph 2 mph 3 mph 2 mph 2 mph 2 mph 1 mph 1 mph Wind Direction W W NW NW NW W W W NW NW NW NW E Wind Gust 4 mph 5 mph 6 mph 8 mph 8 mph 8 mph 9 mph 10 mph 9 mph 8 mph 8 mph 6 mph 5 mph Chance of Precipitation 0% 13% 13% 10% 13% 15% 51% 49% 49% 54% 52% 53% 28% Weather None None None None None Rain Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Sky Cover 8% 13% 13% 12% 24% 36% 51% 50% 53% 54% 57% 60% 60% Relative Humidity 82% 74% 68% 62% 60% 58% 55% 56% 57% 56% 61% 70% 77% Rainfall 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.03 in 0.03 in 0.03 in 0.03 in 0.03 in 0.03 in 0.03 in Issued: Wednesday June 25, 2025 05:05 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