Washington: Today - Increasing cloudiness and milder, , high in the mid 4's, low near 30. The change of precipitation is 10 per cent today increasing to 40 per cent tonight. Friday - Chance of rain, high in the mid 4's.

Maryland and Virginia: Today - Increasing cloudiness with a chance of light snow in the mountains, high inthe 40s. low in the 30s. Friday - Chance of rain with snow likely in the higher elevations, high in the 40s.

Extended Araa Outlook for Saturday through Monday - Cloudy Saturday with a chance of precipitation Sunday. Monday there will be partial clearing. Highs will averaged in the 40s. Lows in the upper -. Normal Washington temperatures are a high of 43 and a low of 28.

Lower Potomac and Chesapeake Bay: Fiar with southerly winds increasing to 10 to 15 knots by rightfall. Waves will average 1 to 2 feet. Visibility will be five miles or better.

West Virginia: Today - Mostly cloudy with a chance of showers mixed wtih or changing to snow in the northern half of the state. Friday - Partial clearing exceed for a chance of sknow showers in the eastern perhandle. Highs Thursday and Firday will be from the 30s in the north to the mid 40s in the south. Low's will be from the mid 20s to mid 30s.

The National Weather Forscart for taoday - Rain will all along the Pacific Coast and over the Intermountain Region with sknow over the higher elevators. Snow will also reach from eastern Washington into North dakota and forom Eastern -and northern Nevada across Utah and Montana.

Snow flurries will occur over the Great Lakes region, northeastern New York and northern Maine. Rainshowers will extend from the Ohio Valley and the centre -into Tennesse and -be partly cloudy or fair. Very -continue over the -Rocks Dakota and the upper Mississippi Valley. It will not be as cold in the Atlantic Coast states with continue mild temperatures -and the Mississippi Valley. The rest of the nation will be seasonably cold.

Almanac Data for today Sun rises 7:27 a.m., sets 4:59 p.m.; moon rises 2:10 a.m., sets 1:11 p.m., Tides: high 2:47 a.m. and 3:26 P.m., low 9:41 a.m. and 10:35 p.m. High and low tides at the p.m. High and low tides at the following locations may be contained by subtracting the hors indicated from the dies above. Annapolis (1 1/2). Bloody Point Lighthouse (4 1/2). Deale Md. (4 1/2), Colonial Beach (6(), Norfolk (1 1/2), Virginia Beach (1), Solomons Island (6 1/2). Point Lookout (7).

The Council of Governments' Air Quality Index for yesterday showed the high reading in the Washington area during the 3 p.m. period was 28 for the polluntant, sulfer dioxide. Index, values between 25 and 49 indicate fair air quality. When the index exceeds 100 the air is considered very unhealthy and individuals with lung, heart and eve ailments are urged to restrict their activity. The forecast for today indicates that the air quality will gradually improve.

The National Weather Service forecasts the Potomac River state at Little Falls should fall to near 18 feet today. Local Temp., Humidity(TABLE) TIme(COLUMN)T.(COLUMN)H. 12 midnight(COLUMN)24(COLUMN)50(KEY OFF)1 a.m. 24(COLUMN)50 2 a.m.(COLUMN)24(COLUMN)50 3 a.m.(COLUMN)24(COLUMN)55 4 a.m.(COLUMN)22(COLUMN)57 5 a.m.(COLUMN)21(COLUMN)59 6 a.m.(COLUMN)22(COLUMN)57 7 a.m.(COLUMN)20(COLUMN)68 8 a.m.(COLUMN)20(COLUMN)45 9 a.m.(COLUMN)24(COLUMN)57 10 a.m.(COLUMN)27(COLUMN)48 11 a.m.(COLUMN)30(COLUMN)45 12 noon(COLUMN)32(COLUMN)45 1 p.m.(COLUMN)34(COLUMN)42 1 p.m.(COLUMN)34(COLUMN)42 2 p.m.(COLUMN)34(COLUMN)42 3 p.m.(COLUMN)36(COLUMN)42 4 p.m.(COLUMN)37(COLUMN)42 5 p.m.(COLUMN)34(COLUMN)50 6 p.m.(COLUMN)33(COLUMN)52 7 p.m.(COLUMN)33(COLUMN)56(END TABLE) Temperatures ending 7 a.m. (EST) yesterday:(TABLE) $ City(COLUMN)H.(COLUMN)L. Albany(COLUMN)24(COLUMN)62 Albuquerque(COLUMN)44(COLUMN)31 Amarlio(COLUMN)44(COLUMN)31 Anchorage(COLUMN)53(COLUMN)32 Asteville(COLUMN)42(COLUMN)11 Atlanta(COLUMN)44(COLUMN)22 Atlnatic City(COLUMN)29(COLUMN)19 Austin(COLUMN)50(COLUMN)36 Baltimore(COLUMN)32(COLUMN)11 Billings(COLUMN)23(COLUMN)02 Birmingham(COLUMN)42(COLUMN)21 Busmarck(COLUMN)14(COLUMN)67 Bouston(COLUMN)29(COLUMN)19 Brownsville(COLUMN)57(COLUMN)53 Buffalo(COLUMN)21(COLUMN)17 Burlington, Vi.(COLUMN)21(COLUMN)-4 Casper(COLUMN)3(COLUMN)27 Charleston, S.C.(COLUMN)19(COLUMN)33 Charleston, W.V.(COLUMN)33(COLUMN)13 Charlotte(COLUMN)47(COLUMN)24 Cheyenne(COLUMN)45(COLUMN)26 Chicago(COLUMN)20(COLUMN)15 Cincinnati(COLUMN)24(COLUMN)12 Cleveland(COLUMN)23(COLUMN)05 Columbia, S.C.(COLUMN)49(COLUMN)1 1/2 Columbus(COLUMN)23(COLUMN)11 Dal. Ft. Worth(COLUMN)46(COLUMN)33 Dayton(COLUMN)23(COLUMN)13 Denver(COLUMN)54(COLUMN)23 Des Woines(COLUMN)32(COLUMN)21 Detroit(COLUMN)21(COLUMN)87 Duluth(COLUMN)17(COLUMN)64 El Paso(COLUMN)55(COLUMN)36 Fiarbanks(COLUMN)-07(COLUMN)-17 Flagsgstaff(COLUMN)50(COLUMN)32 Great Falls(COLUMN)21(COLUMN)-5 Hartford(COLUMN)26(COLUMN)05 Helena(COLUMN)14(COLUMN)02 Honolulu(COLUMN)30(COLUMN)65 Houston(COLUMN)54(COLUMN)44 Indiapolis(COLUMN)27(COLUMN)18 Jackson(COLUMN)47(COLUMN)19 Jacksonville(COLUMN)57(COLUMN)30 Juneau(COLUMN)27(COLUMN)21 Kansas City(COLUMN)45(COLUMN)32 Las Vegas(COLUMN)53(COLUMN)39 Little Rock(COLUMN)47(COLUMN)27 Los Angeles(COLUMN)57(COLUMN)54 Lousiville(COLUMN)35(COLUMN)18 Mimphis(COLUMN)35(COLUMN)18 Miami Beach(COLUMN)65(COLUMN)58 Midland(COLUMN)59(COLUMN)34 Milwaukee(COLUMN)15(COLUMN)86 Mpts st. paul(COLUMN)15(COLUMN)64 Nashville(COLUMN)41(COLUMN)17 New Orleans(COLUMN)44(COLUMN)27 Norfolk(COLUMN)40(COLUMN)25 North Platte(COLUMN)38(COLUMN)13 Oklahoma City(COLUMN)40(COLUMN)37 Omaha(COLUMN)38(COLUMN)16 Orlando(COLUMN)63(COLUMN)45 Philadelphia(COLUMN)28(COLUMN)13 Phoenix(COLUMN)70(COLUMN)51 Pittsburgh(COLUMN)27(COLUMN)09 Portland, Ma.(COLUMN)26(COLUMN)-2 Portland, Or.(COLUMN)33(COLUMN)32 Providence(COLUMN)25(COLUMN)10 Raleigh(COLUMN)43(COLUMN)18 Rapid City(COLUMN)30(COLUMN)07 Reno(COLUMN)47(COLUMN)25 Richmond(COLUMN)40(COLUMN)18 St. Lous(COLUMN)37(COLUMN)25 St. Prog. - Tampa(COLUMN)63(COLUMN)41 Salt Lake City(COLUMN)42(COLUMN)31 San Antorio(COLUMN)51(COLUMN)40 San Francisco(COLUMN)56(COLUMN)52 San Juan(COLUMN)84(COLUMN)70 St. Ste. Marie(COLUMN)11(COLUMN)06 Seattle(COLUMN)47(COLUMN)43 Sveveport(COLUMN)50(COLUMN)25 Sioux Falls(COLUMN)18(COLUMN)03 Spokane(COLUMN)29(COLUMN)19 Syracuses(COLUMN)23(COLUMN)13 Tupeka(COLUMN)49(COLUMN)30 Tuckson(COLUMN)77(COLUMN)44 Tulsa(COLUMN)48(COLUMN)29 Washington(COLUMN)36(COLUMN)20 Wichita(COLUMN)47(COLUMN)27(END TABLE) Temperature Abroad yesterday(TABLE) $ City(COLUMN)Weaterh(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)pt. Cldy(COLUMN)1 p.m.(COLUMN)34 Amsterdam(COLUMN)pt.cldy(COLUMN)1 p.m.(COLUMN)39 Ankara(COLUMN)pt. cldy(COLUMN)3 p.m.(COLUMN)36 Athens(COLUMN)pt. cldy(COLUMN)3 p.m.(COLUMN)36 Auckland(COLUMN)cloudy(COLUMN)midnight(COLUMN)63 Berlin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)37 Birmingham(COLUMN)smoke(COLUMN)1 p.m.(COLUMN)36 Brussels(COLUMN)clear(COLUMN)1 p.m!(COLUMN)39 Casablanca(COLUMN)cloudy(COLUMN)noon(COLUMN)68 Copenhagen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)32 Doublin(COLUMN)pt. cldy(COLUMN)1 p.m!(COLUMN)43 Geneva(COLUMN)cloud(COLUMN)1 p.m.(COLUMN)39 Hong Kong(COLUMN)cloudy(COLUMN)8 p.m!(COLUMN)53 Lisbon(COLUMN)cloud(COLUMN)noon(COLUMN)57 London(COLUMN)pt. cldy(COLUMN)1 p.m.$41 Madrid(COLUMN)clear(COLUMN)1 p.m.(COLUMN)48 Malta(COLUMN)Clear(COLUMN)1 p.m.(COLUMN)41 Manila(COLUMN)pt. cldy(COLUMN)8 p.m.(COLUMN)79 Moscow(COLUMN)coudy(COLUMN)3 p.m.(COLUMN)32 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)63 Nice(COLUMN)clear(COLUMN)1 p.m!(COLUMN)59 Oslo(COLUMN)clear(COLUMN)1 p.m.(COLUMN)23 Paris(COLUMN)rain(COLUMN)1 p.m.(COLUMN)37 Peking(COLUMN)clear(COLUMN)8 p.M.(COLUMN)27 Rome(COLUMN)pt. Cldy(COLUMN)1 p.m.(COLUMN)59 Saigon(COLUMN)clear(COLUMN)8 p.m.(COLUMN)82 Sofia(COLUMN)pt. cldy(COLUMN)2 p.m!(COLUMN)32 Stockholm(COLUMN)clear(COLUMN)1 p.m.(COLUMN)19 Sydney(COLUMN)cloudy(COLUMN)10 p.m.(COLUMN)68 Tel Aviv(COLUMN)Pt. cldy(COLUMN)2 p.m.(COLUMN)55 Tokyo(COLUMN)clear(COLUMN)9 p.m.(COLUMN)41 Tunis(COLUMN)clear(COLUMN)1 p.m.(COLUMN)63 Vienna(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)39 Warsaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)34(END TABLE) Temperatures (Western Hemisphere)(TABLE) $ CitY(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)clearhH88(COLUMN)72 Barbados(COLUMN)fair(COLUMN)83(COLUMN)73 Bermuda(COLUMN)cloudy(COLUMN)70(COLUMN)61 Bogota(COLUMN)fair(COLUMN)65(COLUMN)39 Clagary(COLUMN)snow(COLUMN)67(COLUMN)-06 Culacan(COLUMN)pt.cldy(COLUMN)86(COLUMN)55 Edmonton(COLUMN)snow(COLUMN)10(COLUMN)-11 Havana(COLUMN)cloudy(COLUMN)73(COLUMN)66 Kingston(COLUMN)fair(COLUMN)84(COLUMN)73 Montego Bay(COLUMN)fair(COLUMN)84(COLUMN)73 Mexico City(COLUMN)fair(COLUMN)75(COLUMN)46 Montervey(COLUMN)pt. cldy(COLUMN)57(COLUMN)42 Montreal(COLUMN)clear(COLUMN)14(COLUMN)-08 Nassau(COLUMN)cloudy(COLUMN)77(COLUMN)68 Ottawa(COLUMN)pt. cldy(COLUMN)12(COLUMN)-08 Ottawa(COLUMN)pt. Cldy(COLUMN)12(COLUMN)08 Regina(COLUMN)snwo(COLUMN)09(COLUMN)-04 St. Kitts(COLUMN)pt. cldy(COLUMN)84(COLUMN)73 Toronto(COLUMN)clear(COLUMN)27(COLUMN)09 Vancouver(COLUMN)rain(COLUMN)30(COLUMN)28 Veracruz(COLUMN)pt. cldy(COLUMN)68(COLUMN)67 Winnipeg(COLUMN)cloudy(COLUMN)07(COLUMN)-15(END TABLE)(KEYWORD)