HESSTON, PA 16647 Weather Forecast & Current Conditions

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16647 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALTOONA, PA Current Weather
11:53 AM EDT MAY 21, 2026
Overcast Light Rain 54°F
Feels Like:	51°F
Dewpoint:	48°F
Rel. Hum.:	80%
Visibility:	10 miles
Wind:	NNE at 10 mph
Pressure:	30.26 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

16647 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	HESSTON, PA 16647 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Rain, mainly this morning. Much cooler with highs in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

TONIGHT
Mostly cloudy. Lows in the upper 40s. East winds around 5 mph.

FRIDAY
Cloudy. A chance of rain in the afternoon. Highs in the lower 60s. East winds 5 to 10 mph. Chance of rain 50 percent.

FRIDAY NIGHT
Rain likely in the evening, then rain after midnight. Lows in the upper 40s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

SATURDAY
Rain. Highs in the lower 50s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain near 100 percent.

SATURDAY NIGHT
Rain in the evening, then showers after midnight. Lows in the upper 40s. Chance of rain near 100 percent.

SUNDAY
Mostly cloudy. A chance of showers in the morning. Much warmer with highs in the lower 70s. Chance of rain 50 percent.

SUNDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. Chance of rain 60 percent.

MEMORIAL DAY
Showers likely. Highs in the upper 70s. Chance of rain 70 percent.

MONDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 40 percent.

TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the upper 70s.

TUESDAY NIGHT
Mostly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 40 percent.

WEDNESDAY
Partly sunny. Highs in the lower 80s.

16647 WEATHER SATELLITE LOOPS

Visible Weather Satellite
HESSTON, PA 16647

Infrared Weather Satellite
HESSTON, PA 16647

16647 WEATHER RADAR LOOP

NEXRAD Weather Radar
HESSTON, PA 16647

MOS COMPUTER WEATHER FORECAST

ALTOONA, PA 3 hourly weather forecast

weather forecast created 8:00 AM EDT 5/21/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
21 MAY 2026

2 PM

54°

52°

Mostly Cloudy

39%
RAIN
.01–.1 in

0% Thunder
( 9% severe)

ENE 7

80%

48°

High 57°

5 PM

56°

55°

Mostly Cloudy

E 6

72%

47°

Mostly Cloudy

Chance of Rain

8 PM

56°

55°

Mostly Cloudy

5%

0% Thunder
( 2% severe)

E 5

72%

47°

11 PM

54°

54°

Overcast

E 3

77%

47°

Friday
22 MAY 2026

2 AM

52°

50°

Mostly Cloudy

9%

0% Thunder
( 1% severe)

E 6

80%

46°

Low 49°

5 AM

51°

48°

Mostly Cloudy

ENE 7

80%

45°

High 59°

8 AM

52°

49°

Mostly Cloudy

47%
RAIN
<.01 in

0% Thunder
( 3% severe)

E 8

77%

45°

Mostly Cloudy

Rain Likely

11 AM

55°

52°

Mostly Cloudy

E 9

72%

46°

2 PM

56°

53°

Mostly Cloudy

84%
RAIN
***

0% Thunder
( 8% severe)

ESE 10

74%

48°

5 PM

55°

52°

Mostly Cloudy

ESE 10

77%

48°

8 PM

55°

52°

Mostly Cloudy

92%
RAIN
***

0% Thunder
( 4% severe)

ESE 10

77%

48°

11 PM

52°

48°

Overcast

ESE 12

83%

47°

Saturday
23 MAY 2026

2 AM

49°

45°

Overcast

96%
RAIN
***

0% Thunder
( 10% severe)

ESE 10

89%

46°

Low 44°

5 AM

48°

43°

Overcast

ESE 10

89%

45°

High 52°

8 AM

47°

42°

Overcast

98%
RAIN
***

0% Thunder
( 6% severe)

ESE 12

93%

45°

Mostly Cloudy

Rain

11 AM

48°

43°

Mostly Cloudy

ESE 10

89%

45°

2 PM

48°

43°

Mostly Cloudy

93%
RAIN
***

0% Thunder
( 9% severe)

ESE 12

93%

46°

5 PM

50°

46°

Mostly Cloudy

ESE 10

89%

47°

8 PM

51°

47°

Mostly Cloudy

ESE 10

86%

47°


ALTOONA, PA extended weather forecast
Sunday 24 MAY 2026	Monday 25 MAY 2026	Tuesday 26 MAY 2026	Wednesday 27 MAY 2026	Thursday 28 MAY 2026
Low 48°	Low 55°	Low 59°	Low 60°	Low 59°
High 64°	High 73°	High 78°	High 82°	High 78°

Overcast 95% Rain	Overcast 53% Rain	Overcast 49% Rain	Mostly Cloudy 35% Rain	Partly Cloudy 33% Rain

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