Fairfax Weather and Climate Synopsis



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36 Hr. Forecast Map
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Weather Summary

Hourly Observations

Nowcast

Agricultural Weather Outlook

7 Day Forecast

Medium & Long Range Outlook

Almanac

Historical Facts


US Weekly Rainfall Departure		US Weekly Temperature Departure

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Weather Summary for SW VA...SE WV...and NW NC
National Weather Service Blacksburg VA
612 PM EDT Thu Apr 18 2024

.FORECAST SUMMARY...
Above normal warmth will continue into Friday followed by a
cool down for the weekend. After a clear night tonight, clouds
will be on the increase. A cold front over the Ohio Valley will
move east, crossing the Mid-Atlantic region Friday. This front 
will bring showers and a few thunderstorms, but limited 
rainfall. In general, expecting a quarter inch or less of rain,
with isolated amounts of one half inch where thunderstorms 
occur. Temperatures will return to a more seasonal level 
Saturday.

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook in case of corrupt tables.
Regional Hourly Observations For FAIRFAX County
900 PM EDT THU APR 18 2024

NORTHERN VIRGINIA CITY SKY/WX TMP DP RH WIND PRES REMARKS WASH NATIONAL MOCLDY 64 54 69 E12 30.06R DULLES PTCLDY 67 50 54 NE6 30.04R FORT BELVOIR CLEAR 66 54 65 E3 30.03R QUANTICO CLEAR 67 57 70 E9 30.06R FREDERICKSBRG* CLEAR 68 55 64 E5 30.03R STAFFORD* CLEAR 67 53 61 E5 30.04R WARRENTON CLEAR 67 46 46 NE5 30.04R CULPEPER* CLEAR 65 49 55 CALM 30.04R MANASSAS* CLEAR 69 53 56 E8 30.05R LEESBURG* PTCLDY 66 52 59 NE3 30.06R WINCHESTER CLEAR 59 46 63 CALM 30.04R FRONT ROYAL* PTCLDY 63 48 59 CALM 30.05R LURAY* N/A 66 48 52 N5 30.04R

Current Temperatures, Dewpoint, RH, Wind, Regional Obs, Surface 4-Panel
Current Agricultural Weather Conditions in Virginia
Based on observations at 900pm EDT, Thursday April 18, 2024

Across Virginia...temperatures are near 67 degrees north, near 68 degrees central, and near 64 degrees south. Current sky conditions are partly cloudy north, partly cloudy central, and clear south. In the north, relative humidity is near 54%, and the dew point is near 50 degrees. In the central part of the state, relative humidity is near 58%, and the dew point is near 53 degrees. In the south, relative humidity is near 53%, and the dew point is near 47 degrees. Winds are from the northeast at 6 mph north, where conditions are favorable for spraying. Winds are from the east at 8 mph central, where conditions are favorable for spraying. Winds are calm south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 69 degrees at Manassas. The lowest temperature is CLEAR degrees at Roanoke.

Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

US Radar, All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For FAIRFAX County,VA

759 PM EDT Thu Apr 18 2024 DAY ONE Tonight No hazardous weather is expected at this time. DAYS TWO THROUGH SEVEN Friday through Wednesday No hazardous weather is expected at this time. SPOTTER INFORMATION STATEMENT Spotter activation is not expected at this time.
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For FAIRFAX County, VA
Issued at 759 PM EDT Thu Apr 18 2024 TONIGHT
Mostly clear this evening, then becoming mostly cloudy. Lows in the upper 40s. East winds 5 to 10 mph.
FRIDAY
Cloudy. A chance of showers in the afternoon. Highs in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
FRIDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the lower 50s. Southeast winds 5 to 10 mph, becoming northwest after midnight.
SATURDAY
Mostly sunny. A chance of showers in the morning. Highs in the upper 60s. Northwest winds 10 to 15 mph. Chance of rain 30 percent.
SATURDAY NIGHT
Mostly clear. Lows in the lower 40s. Northwest winds 10 to 15 mph.
SUNDAY
Partly sunny. Highs in the lower 60s.
SUNDAY NIGHT
Mostly cloudy. Lows in the lower 40s.
MONDAY
Mostly sunny. Highs in the mid 60s.
MONDAY NIGHT
Mostly clear. Lows in the mid 40s.
TUESDAY
Mostly sunny. Highs in the lower 70s.
TUESDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s.
WEDNESDAY
Mostly sunny with a 40 percent chance of showers. Highs around 70.
WEDNESDAY NIGHT
Partly cloudy. Lows in the lower 40s.
THURSDAY
Sunny. Highs in the mid 60s.
12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2
Medium & Long Range Outlook For Virginia VIRGINIA --------------------------------------------- 6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY APR 24-28 APR 26-MAY 2 JUN JUN-AUG ----------- ----------- -------- --------- Temperature: Precipitation: .... Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Almanac Information
Thursday April 18, 2024 the 109th Day of Year --------------------------------------------------- SUN Declination 11.350000 Distance 0.999719 AU Rise 06:35 EDT Set 19:56 EDT Transit Meridian 13:15 EDT Civil Twilight Begins 06:09 EDT Ends 20:22 EDT Calculations made for central point in the state. Time in ET -- and will vary due to location and elevation -- Priddy

Historical Weather And Climate Facts For Today

APRIL 18TH HISTORIC WEATHER EVENTS ...1880... More than two dozen tornadoes were reported from Kansas and Arkansas to Wisconsin and Michigan. More than 100 persons were killed, including 65 persons at Marshfield MO. (David Ludlum) ...1906... A severe earthquake shook San Francisco, and unusual easterly winds spread fires destroying the city. (David Ludlum) ...1944... California experienced its worst hailstorm of record. Damage mounted to two million dollars as two consecutive storms devastated the Sacramento Valley destroying the fruit crop. (The Weather Channel) ...1957... A dust devil near Dracut MA lifted a small child three feet into the air, and rolled two other children on the ground. Fortunately none of the three were hurt. The dust devil was accompanied by a loud whistling sound as it moved westward. (The Weather Channel) ...1970... Rapid City SD received a record 22 inches of snow in 24 hours. (17th-18th) (The Weather Channel)

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky