Washington: Today -- Variable cloudiness, high 30 to 35, low 20 to 25. The chance of precipitation is 10 percent today, 20 percent tonight. Winds will be out of the northeast at 5 to 15 mph. Friday -- Snow likely, high near 30.

Maryland and Virginia: Today -- Variable cloudiness with a chance of flurries in the west, highs from the mid 20s to the 30s, lows in the teens and 20s. Friday -- Snow likely, possibly changing to sleet and freezing rain, highs in the 20s and 30s.

West Virginia: Today -- Variable cloudiness with snow flurries spreading from west to east, highs from the mid teens to the mid 20s, lows from 10 to 20. Friday -- Snow flurries, highs from the mid 20s to the low 30s.

Extended Area Forecast for Saturday through Monday -- Snow or rain likely Saturday ending Sunday. Monday fair. Highs will range from the mid 30s to the 40s, lows in the teens and 20s. Normal Washington area temperatures are a high of 43 and a low of 28.

Lower Potomac and Chesapeake Bay -- Variable cloudiness. Visibility will be 5 miles or more. Winds 15 knots. Waves will average 1 to will shift to the northeast at 10 to 2 feet.

The Nation Yesterday: Two separate storm systems brought winter weather to the nation. In the Northwest, snow fell from the northern half of the Plateau across the northern Rockies, while rain covered the Pacific Coast from central California northward. Freezing rain continued to plague northern Oregon, with several inches of ice reported in the Portland area. To the South, snow spread across northern Texas, southern Oklahoma, southern Missouri and into portions of the central Plains. Some sleet and freezing rain occured in central Texas, with rain and drizzle over the remainder of the state. Snow was also scattered over the Great Lakes region and northern New England. Skies were clear over the northern Plains and the upper Mississippi Valley and mostly cloudy elsewhere over the nation. Very cold temperatures continued across the plains and the Mississippi Valley with most of Minnesota and North Dakota below zero all day. The National Weather Forecast for today -- rain will fall along the northern and central Pacific Coast and from Florida and southern Georgia across the Gulf Coast region. Freezing rail will continue in northeastern Oregon, with snow from the northern half of the Plateau across the northern Plains, over the middle Mississippi Valley and into Kentucky, Arkansas and Tennessee Light snow will also be scattered through the central Plains. Skies will be mostly sunny across southern California into western Texas, along the middle and northern Atlantic Coast states and through the Great Lakes region.If will be mostly cloudy over the remainder of the nation.Very cold temperatures will reach from the Plains through the Great Lakes region, the Mississippi and Ohio Valleys and into much of the northern two thirds of the Atlantic Coast states. The remainder of the nation will be seasonably cold.

Almanac Data for today: The sun rises 7:26 a.m., sets 5:06 p.m. The moon rises 2:45 p.m., sets 4:42 a.m. Tides; high 6:37 a.m. and 6:49 p.m., low 1:19 a.m. and 1:16 p.m. High and low tides at the following locations may be obtained by subtracting the hours indicated from the hours above: Annapolis (3 1/4), Bloody Point Lighthouse (4 1/2), Deale, Md. (4 1/2), Colonial Beach (5 1/2), Norfolk (1), Virginia Beach (3/4), Solomons Island (6 1/2), Point Lookout (7).

The Council of Government's Air Quality Index for yesterday showed the high reading in the Washington area during the 3 p.m. period was 11 for the pollutant, photochemical oxidants. Index values between 0 and 24 indicate good air quality. When the index exceeds 100 the air is considered very unhealthy and individuals with lung, heart and eye ailments are urged to restrict their activity. The forecas for today indicates that the air quality will remain good.

The National Weather Service forecasts the Potomac River stage at Little Falls should remain near 5.0 feet today.

Local Temp., Humidity (TABLE) Time(COLUMN)T.(COLUMN)H. 12 mid.(COLUMN)26(COLUMN)63 1 a.m.(COLUMN)27(COLUMN)53 2 a.m.(COLUMN)25(COLUMN)63 3 a.m.(COLUMN)26(COLUMN)60 4 a.m.(COLUMN)26(COLUMN)60 5 a.m.(COLUMN)26(COLUMN)55 6 a.m.(COLUMN)25(COLUMN)57 7 a.m.(COLUMN)25(COLUMN)60 8 a.m.(COLUMN)25(COLUMN)60 9 a.m.(COLUMN)28(COLUMN)53 10 a.m.(COLUMN)31(COLUMN)49 11 a.m.(COLUMN)32(COLUMN)47 12 noon(COLUMN)32(COLUMN)47 1 p.m.(COLUMN)33(COLUMN)47 2 p.m.(COLUMN)33(COLUMN)51 3 p.m.(COLUMN)33(COLUMN)49 4 p.m.(COLUMN)33(COLUMN)47 5 p.m.(COLUMN)33(COLUMN)49 6 p.m.(COLUMN)33(COLUMN)49 7 p.m.(COLUMN)31(COLUMN)53 8 p.m.(COLUMN)31(COLUMN)54 9 p.m.(COLUMN)31(COLUMN)56 10 p.m.(COLUMN)32(COLUMN)51 11 p.m.(COLUMN)32(COLUMN)49(END TABLE)

Temperatures ending 7 p.m. (EST) yesterday: (TABLE) City(COLUMN)L.(COLUMN)H. Albany(COLUMN)-02(COLUMN)23 Albuquerque(COLUMN)25(COLUMN)47 Amarillo(COLUMN)15(COLUMN)26 Anchorage(COLUMN)11(COLUMN)24 Asheville(COLUMN)18(COLUMN)44 Atlanta(COLUMN)19(COLUMN)48 Altantic City(COLUMN)20(COLUMN)29 Austin(COLUMN)36(COLUMN)39 Baltimore(COLUMN)15(COLUMN)33 Billings(COLUMN)00(COLUMN)07 Birmingham(COLUMN)21(COLUMN)44 Bismarck(COLUMN)24(COLUMN)07 Boise(COLUMN)20(COLUMN)35 Boston(COLUMN)21(COLUMN)30 Brownsville(COLUMN)43(COLUMN)56 Buffalo(COLUMN)11(COLUMN)14 Bu'rlg'tn, Vt.(COLUMN)06(COLUMN)15 Casper(COLUMN)-04(COLUMN)29 Charl'stn, S.C.(COLUMN)28(COLUMN)45 Charl'stn, W.V.(COLUMN)22(COLUMN)26 Charlotte(COLUMN)17(COLUMN)44 Cheyenne(COLUMN)01(COLUMN)14 Chicago(COLUMN)-04(COLUMN)03 Cincinnati(COLUMN)01(COLUMN)14 Cleveland(COLUMN)03(COLUMN)15 Columbia, S.C.(COLUMN)17(COLUMN)55 Columbus(COLUMN)03(COLUMN)14 Dal.-Ft. Worth(COLUMN)33(COLUMN)38 Dayton(COLUMN)-04(COLUMN)12 Denver(COLUMN)06(COLUMN)26 Des Moines(COLUMN)02(COLUMN)15 Detroit(COLUMN)06(COLUMN)15 Duluth(COLUMN)-20(COLUMN)-05 El Paso(COLUMN)40(COLUMN)52 Evansville(COLUMN)05(COLUMN)16 Fairbanks(COLUMN)-09(COLUMN)01 Fargo(COLUMN)-28(COLUMN)-13 Flagstaff(COLUMN)14(COLUMN)44 Great Falls(COLUMN)-05(COLUMN)04 Hartford(COLUMN)13(COLUMN)27 Helena(COLUMN)08(COLUMN)13 Honolulu(COLUMN)66(COLUMN)76 Houston(COLUMN)42(COLUMN)52 Indianapolis(COLUMN)-03(COLUMN)09 Jackson(COLUMN)24(COLUMN)43 Jacksonville(COLUMN)22(COLUMN)53 Juneau(COLUMN)-03(COLUMN)19 Kansas City(COLUMN)04(COLUMN)14 Las Vegas(COLUMN)34(COLUMN)55 Little Rock(COLUMN)18(COLUMN)26 Los Angeles(COLUMN)44(COLUMN)67 Louisville(COLUMN)11(COLUMN)20 Memphis(COLUMN)21(COLUMN)29 Miami Beach(COLUMN)56(COLUMN)70 Midland(COLUMN)30(COLUMN)34 Milwaukee(COLUMN)-05(COLUMN)01 Mpls.-St. Paul(COLUMN)-14(COLUMN)-02 Nashville(COLUMN)16(COLUMN)27 New Orleans(COLUMN)34(COLUMN)53 New York(COLUMN)20(COLUMN)29 Norfolk(COLUMN)20(COLUMN)37 North Platte(COLUMN)07(COLUMN)10 Oklahoma City(COLUMN)23(COLUMN)32 Omaha(COLUMN)06(COLUMN)18 Orlando(COLUMN)42(COLUMN)71 Philadelphia(COLUMN)16(COLUMN)31 Phoenix(COLUMN)41(COLUMN)57 Pittsburgh(COLUMN)11(COLUMN)16 Portland, Me.(COLUMN)11(COLUMN)24 Portland, Ore.(COLUMN)29(COLUMN)32 Providence(COLUMN)15(COLUMN)26 Raleigh(COLUMN)14(COLUMN)46 Rapid City(COLUMN)01(COLUMN)11 Reno(COLUMN)26(COLUMN)48 Richmond(COLUMN)17(COLUMN)38 St. Louis(COLUMN)05(COLUMN)13 St. Prbg.-T'mpa(COLUMN)39(COLUMN)69 Salt Lake City(COLUMN)15(COLUMN)36 San Antonio(COLUMN)37(COLUMN)44 San Diego(COLUMN)50(COLUMN)65 San Francisco(COLUMN)50(COLUMN)60 San Juan(COLUMN)73(COLUMN)83 St. Ste. Marie(COLUMN)-10(COLUMN)04 Seattle(COLUMN)36(COLUMN)44 Shreveport(COLUMN)31(COLUMN)48 Sioux Falls(COLUMN)-08(COLUMN)04 Spokane(COLUMN)16(COLUMN)22 Syracuse(COLUMN)12(COLUMN)19 Topeka(COLUMN)02(COLUMN)17 Tucson(COLUMN)43(COLUMN)55 Tulsa(COLUMN)20(COLUMN)27 Washington(COLUMN)23(COLUMN)34 Wichita(COLUMN)14(COLUMN)17(END TABLE)

Temperatures Abroad Yesterday (TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)snow(COLUMN)1 p.m.(COLUMN)32 Amsterdam(COLUMN)snow(COLUMN)1 p.m.(COLUMN)34 Ankara(COLUMN)pt. cldy.(COLUMN)3 p.m.(COLUMN)19 Athens(COLUMN)pt. cldy.(COLUMN)2 p.m.(COLUMN)54 Auckland(COLUMN)clear(COLUMN)mid.(COLUMN)66 Berlin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)34 Birmingham(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)37 Bonn(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)36 Copenhagen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)32 Copenhagen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)34 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)34 Geneva(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)34 Hong Kong(COLUMN)clear(COLUMN)8 p.m.(COLUMN)68 Jerusalem(COLUMN)rain(COLUMN)2 p.m.(COLUMN)48 Lisbon(COLUMN)cloudy(COLUMN)noon(COLUMN)57 London(COLUMN)clear(COLUMN)1 p.m.(COLUMN)41 Madrid(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)48 Malta(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Manila(COLUMN)clear(COLUMN)8 p.m.(COLUMN)77 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)27 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)70 Nice(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)52 Oslo(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)23 Paris(COLUMN)rain(COLUMN)1 p.m.(COLUMN)36 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)25 Rome(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)57 Saigon(COLUMN)clear(COLUMN)8 p.m.(COLUMN)70 Sofia(COLUMN)pt. cldy.(COLUMN)2 p.m.(COLUMN)34 Stockholm(COLUMN)snow(COLUMN)1 p.m.(COLUMN)28 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)70 Tokyo(COLUMN)clear(COLUMN)9 p.m.(COLUMN)54 Tunis(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)59 Vienna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)37 Warsaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)34(END TABLE)

Temperatures (Western Hemisphere) (TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)fair(COLUMN)87(COLUMN)68 Barbados(COLUMN)fair(COLUMN)84(COLUMN)72 Bermuda(COLUMN)cloudy(COLUMN)74(COLUMN)66 Calgary(COLUMN)snow(COLUMN)12(COLUMN)-02 Culiacan(COLUMN)fair(COLUMN)81(COLUMN)46 Edmonton(COLUMN)clear(COLUMN)14(COLUMN)-17 Havana(COLUMN)cloudy(COLUMN)75(COLUMN)68 Kingston(COLUMN)clear(COLUMN)86(COLUMN)72 Montego Bay(COLUMN)fair(COLUMN)82(COLUMN)77 Mexico City(COLUMN)fair(COLUMN)68(COLUMN)39 Monterrey(COLUMN)fair(COLUMN)82(COLUMN)39 Montreal(COLUMN)cloudy(COLUMN)18(COLUMN)05 Nassau(COLUMN)pt. cldy.(COLUMN)77(COLUMN)70 Ottawa(COLUMN)cloudy(COLUMN)18(COLUMN)01 Regina(COLUMN)clear(COLUMN)07(COLUMN)-31 St. Kitts(COLUMN)fair(COLUMN)84(COLUMN)67 Toronto(COLUMN)clear(COLUMN)16(COLUMN)07 Vancouver(COLUMN)rain(COLUMN)37(COLUMN)32 Vera Cruz(COLUMN)cloudy(COLUMN)68(COLUMN)59 Winnipeg(COLUMN)snow(COLUMN)-13(COLUMN)-27(END TABLE)