National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Current conditions at

Manassas, Manassas Regional Airport/Harry P. Davis Field (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Overcast

43°F

6°C

Humidity 82%
Wind Speed W 3 mph
Barometer 30.25 in (1024.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 20 Nov 2:56 am EST
Extended Forecast for

Clifton VA

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Friday

    Friday: A chance of rain. Patchy fog before 11am. Otherwise, cloudy, with a high near 57. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.

    High: 57 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: Rain. Low around 48. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 51. Calm wind.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Friday
A chance of rain. Patchy fog before 11am. Otherwise, cloudy, with a high near 57. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.
Friday Night
Rain. Low around 48. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clifton VA
 38.77°N 77.39°W (Elev. 299 ft)
Last Update:
3:27 am EST Nov 20, 2025
Forecast Valid:
3am EST Nov 20, 2025-6pm EST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation