How does NOAA issue severe storm watches for South Valley?

The National Weather Service (NWS) monitors atmospheric instability across Maryland. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in South Valley today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

Unknown NOAA AlertExpires: Sep 22, 06:43 PM

Test Message — Montgomery

Test Message

MD, USAZIP 20747Live NOAA Station

South Valley, MD

Q: What is the current temperature and forecast in South Valley, Maryland?

The current weather in South Valley is around 58°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Overcast•Ressenti 56°F-1° wind chill

63°F/58°F

10 mph 44°

92%Humidité

58°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Mis à jour: 10:30 AM (America/New_York)

Daily Meteorological Briefing

South Valley, MD

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across South Valley, MD today.

Current temperature is 58°F (feels like 56°F), with daytime highs reaching 63°F and overnight lows around 58°F. Humidity is at 92%, with atmospheric pressure steady at 1022.8 hPa.

Overall excellent conditions for commuting and outdoor routines.

Daily Range

Δ 3° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 0.3 • Moderate

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Prévisions heure par heure

Next 16 Hours

Now

63°F

24%

1 AM

63°F

21%

2 AM

62°F

25%

3 AM

61°F

46%

4 AM

61°F

54%

5 AM

60°F

54%

6 AM

60°F

56%

7 AM

58°F

74%

8 AM

58°F

75%

9 AM

58°F

50%

10 AM

58°F

42%

11 AM

58°F

39%

12 PM

58°F

30%

1 PM

58°F

52%

2 PM

58°F

63%

3 PM

58°F

66%

Prévisions sur 10 jours

Extended 10-day meteorological outlook

10-Day Range

Today

Sep 22

79%

58°F

63°F

Wed

Sep 23

44%

54°F

61°F

Thu

Sep 24

51°F

67°F

Fri

Sep 25

46°F

71°F

Sat

Sep 26

49°F

73°F

Sun

Sep 27

19%

53°F

75°F

Mon

Sep 28

55°F

75°F

Tue

Sep 29

57°F

80°F

Wed

Sep 30

12%

60°F

84°F

Thu

Oct 1

20%

64°F

90°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

Indice UVLow

0.3 / 11+

No protection neededPeak 0.35

Vent44°

10 mph

Wind Gusts:23 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise06:56 AM

Sunset07:05 PM

Solar Noon:12:54 PM

HumiditéHumid

92%

Point de rosée:56°F

PressionSteady

30.20 inHg

Trend:Stable (+0.1 hPa)

VisibilitéClear

8.5 mi

Haze:Minimal

Air Quality Index (AQI)Good

33US EPA Standard

Air quality is ideal for outdoor activities.

PM2.55 µg

OZONE50 µg

PM105 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsGood

Pleasant conditions for light outdoor activities.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise02:56 AM

Daylight ~13h

Sunset03:05 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

80% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~5 daysTidal Currents Normal

Questions fréquentes sur la météo - South Valley, Maryland

The current weather in South Valley is around 58°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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