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Information on the severe weather that occurred on Saturday, July 18th, 2026

Hazardous Weather Conditions

Current conditions at

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Fog/Mist

57°F

14°C

Humidity	100%
Wind Speed	N 5 mph
Barometer	30.10 in (1019.1 mb)
Dewpoint	57°F (14°C)
Visibility	5.00 mi
Last update	21 Aug 3:54 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

7 Miles N Williamsport-Lycoming County Airport PA

Dense Fog Advisory until August 21, 10:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until August 21, 10:00am
NOW until 10:00am Fri
Dense Fog Advisory
Overnight
Low: 55 °F
Dense Fog
Friday
High: 78 °F
Dense Fog
then Sunny
Friday Night
Low: 57 °F
Mostly Clear
then Patchy
Fog
Saturday
High: 76 °F
Mostly Sunny
then Chance
Showers
Saturday Night
Low: 61 °F
Showers
Likely and
Patchy Fog
Sunday
High: 76 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 55 °F
Chance
T-storms then
Mostly Clear
Monday
High: 74 °F
Mostly Sunny

Detailed Forecast

Overnight

Widespread dense fog. Otherwise, mostly clear, with a low around 55. North wind around 5 mph.

Friday

Widespread dense fog before 11am. Otherwise, sunny, with a high near 78. North wind around 5 mph becoming calm in the afternoon.

Friday Night

Patchy fog after 3am. Otherwise, increasing clouds, with a low around 57. Calm wind.

Saturday

A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 76. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61. Southeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of thunderstorms before 8pm. Mostly clear, with a low around 55. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 74.

Monday Night

Mostly clear, with a low around 53.

Tuesday

Sunny, with a high near 75.

Tuesday Night

Mostly clear, with a low around 56.

Wednesday

Mostly sunny, with a high near 78.