Washington: Today - Variably cloudy high near 50, low in low 30s. The chance of rain is 20 per cent through tonight. Saturday - Variably cloudy, high in mid 40s.

Midland and Virginia: Today - Variably cloudy, highs from the mid 30s to the mid 50s. Saturday - Variably, snow flurries likely in the mountains, highs from near 30 to the upper 40s.

Layer Potomac and Chesapeake Bay: Today - Variably cloudy, visibility of more than 5 miles. Wind will be from the west of from 20 to 30 knots today shifting to from the northwest tonight. Waves in unprotected waters will be less than 4 feet.

Extended Area Forecast for Sunday through Tuesday: Partly cloudy through the period. Highs from the 40s to the 50s, lows from the 20s to the low 40s. Normal Washington temperatures for the period are a high of 58 and a low of 39.

West Virginia: Today - Partly cloudy, chance of snow flurries, highs in the 30s, lows from the mid [WORD ILLEGIBLE] to the mid 20. Partly cloudy, highs from the mid 30s to the mid 40s.

The National Weather Forecast for today - Snow will fall across the Great Lakes, the Ohio Valley and the lower Great Lakes, with rain extending from the lower lakes across New England. Rain will fall in western Oregon and Washington with showers extending from northern California to northern Idahe - Mild temperatures will extend - from Washington and Oregon across the northern and central Rockies into the western portions of the northern and central plains. Temperatures will be seasonably cold across the southeast quarter of the nation, Florida excluded. The rest of the nation will have cool readings except for northern New England where they will be mild. Mostly sunny skies will cover most of nation, except for the northeast and northwest corners.

Almanac Data for Today - Sun rises 6:46 a.m., sets 4:58 p.m.; moon rises 6:58 a.m., sets 6:38 p.m. Tides: high 7:30 a.m. and 7:57 p.m., low 2:03 a.m. and 2:10 p.m. High and low tides at the following locations can be obtained by subtracting the hours indicated from the tides 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 2 p.m. to 3 p.m. period was 15 for the pollutant, photochemical oxidants. Index values between zero 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 forecast for today indicates that the air quality will be good.

The National Weather Service forecasts the Potomac River stage at Little Falls should be near 6 feet today. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 mid.(COLUMN)62(COLUMN)84 1 a.m.(COLUMN)62(COLUMN)84 2 a.m.(COLUMN)62(COLUMN)84 3 a.m.(COLUMN)61(COLUMN)87 4 a.m.(COLUMN)62(COLUMN)84 5 a.m.(COLUMN)62(COLUMN)84 6 a.m.(COLUMN)62(COLUMN)84 7 a.m.(COLUMN)62(COLUMN)84 8 a.m.(COLUMN)63(COLUMN)84 9 a.m.(COLUMN)64(COLUMN)81 10 a.m.(COLUMN)67(COLUMN)73 11 a.m.(COLUMN)70(COLUMN)68 12 noon(COLUMN)70(COLUMN)68 1 p.m.(COLUMN)71(COLUMN)66 2 p.m.(COLUMN)71(COLUMN)68 3 p.m.(COLUMN)68(COLUMN)79 4 p.m.(COLUMN)68(COLUMN)79 5 p.m.(COLUMN)68(COLUMN)79 6 p.m.(COLUMN)63(COLUMN)70 7 p.m.(COLUMN)54(COLUMN)74(END TABLE) Temperatures ending 8 a.m. (EST) yesterday:(TABLE) City(COLUMN)(COLUMN). L. Albany(COLUMN)59(COLUMN)54 Albuquerque(COLUMN)45(COLUMN)25 Amarillo(COLUMN)40(COLUMN)24 Anchorage(COLUMN)16(COLUMN)13 Asheville(COLUMN)67(COLUMN)58 Atlanta(COLUMN)72(COLUMN)47 Atlantic City(COLUMN)59(COLUMN)56 Austin(COLUMN)60(COLUMN)35 Baltimore(COLUMN)64(COLUMN)60 Billings(COLUMN)43(COLUMN)29 Birmingham(COLUMN)69(COLUMN)41 Bismarck(COLUMN)39(COLUMN)13 Boise(COLUMN)51(COLUMN)38 Boston(COLUMN)58(COLUMN)55 Brownsville(COLUMN)71(COLUMN)49 Buffalo(COLUMN)66(COLUMN)57 Burlington(COLUMN)57(COLUMN)49 Casper(COLUMN)31(COLUMN)19 Charleston, S.C.(COLUMN)73(COLUMN)63 Charl'ton, W.Va.(COLUMN)78(COLUMN)52 Charlotte(COLUMN)74(COLUMN)63 Cheyenne(COLUMN)33(COLUMN)22 Chicago(COLUMN)68(COLUMN)36 Cincinnati(COLUMN)67(COLUMN)39 Cleveland(COLUMN)72(COLUMN)50 Columbia, S.C.(COLUMN)77(COLUMN)60 Columbus(COLUMN)73(COLUMN)44 Dal.-Ft. Worth(COLUMN)52(COLUMN)33 Dayton(COLUMN)69(COLUMN)39 Denver(COLUMN)42(COLUMN)23 Des Monies(COLUMN)61(COLUMN)32 Detroit(COLUMN)65(COLUMN)41 Duluth(COLUMN)55(COLUMN)25 El Paso(COLUMN)52(COLUMN)30 Fairbanks(COLUMN) 3(COLUMN)18 Fargo(COLUMN)31(COLUMN)24 Flagstaff(COLUMN)43(COLUMN)17 Great Falls(COLUMN)44(COLUMN)36 Hartford(COLUMN)58(COLUMN)52 Helena(COLUMN)41(COLUMN)27 Honolulu(COLUMN)89(COLUMN)74 Houston(COLUMN)62(COLUMN)41 Indianapolis(COLUMN)69(COLUMN)40 Jackson, Miss.(COLUMN)71(COLUMN)37 Jacksonville(COLUMN)81(COLUMN)62 Juneau(COLUMN)31(COLUMN)19 Kansas City(COLUMN)44(COLUMN)32 Las Vegas(COLUMN)62(COLUMN)36 Little Rock(COLUMN)58(COLUMN)34 Los Angeles(COLUMN)80(COLUMN)54 Louisville(COLUMN)69(COLUMN)43 Memphis(COLUMN)72(COLUMN)40 Miami Beach(COLUMN)81(COLUMN)76 Midland-Odessa(COLUMN)53(COLUMN)30 Milwaukee(COLUMN)62(COLUMN)34 Mpls.-St. Paul(COLUMN)59(COLUMN)28 Nashville(COLUMN)70(COLUMN)40 New Orleans(COLUMN)77(COLUMN)46 New York(COLUMN)61(COLUMN)56 Norfolk(COLUMN)74(COLUMN)58 North Platte(COLUMN)36(COLUMN)12 Oklahoma City(COLUMN)48(COLUMN)29 Omaha(COLUMN)37(COLUMN)27 Orlando(COLUMN)85(COLUMN)64 Philadelphia(COLUMN)62(COLUMN)56 Phoenix(COLUMN)76(COLUMN)55 Pittsburgh(COLUMN)72(COLUMN)59 Portland, Maine(COLUMN)57(COLUMN)51 Portland, Ore.(COLUMN)54(COLUMN)48 Providence(COLUMN)58(COLUMN)51 Raleigh(COLUMN)76(COLUMN)54 Rapid City(COLUMN)35(COLUMN)19 Reno(COLUMN)58(COLUMN)20 Richmond(COLUMN)75(COLUMN)59 St. Louis(COLUMN)66(COLUMN)35 St. Prbg.-Tampa(COLUMN)83(COLUMN)66 Salt Lake City(COLUMN)46(COLUMN)25 San Antonio(COLUMN)60(COLUMN)30 San Diego(COLUMN)77(COLUMN)54 San Francisco(COLUMN)67(COLUMN)56 San Juan(COLUMN)87(COLUMN)75 St. Ste. Marie(COLUMN)54(COLUMN)52 Seattle(COLUMN)51(COLUMN)50 Shreveport(COLUMN)54(COLUMN)31 Sioux Falts(COLUMN)33(COLUMN)21 Spokane(COLUMN)37(COLUMN)35 Syracuse(COLUMN)61(COLUMN)52 Topeka(COLUMN)43(COLUMN)31 Tucson(COLUMN)69(COLUMN)52 Tulsa(COLUMN)51(COLUMN)33 Washington(COLUMN)70(COLUMN)68 Wichita(COLUMN)46(COLUMN)30(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)T. Aberdeen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Amsterdam(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)63 Ankara(COLUMN)pt. cldy.(COLUMN)3 p.m.(COLUMN)59 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)68 Auckland(COLUMN)pt. cldy.(COLUMN)midnight(COLUMN)55 Berlin(COLUMN)rain(COLUMN)1 p.m.(COLUMN)50 Birmingham(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)59 Brussels(COLUMN)clear(COLUMN)1 p.m.(COLUMN)63 Casablanca(COLUMN)clear(COLUMN)noon(COLUMN)68 Copenhagen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)50 Dublin(COLUMN)rain(COLUMN)1 p.m.(COLUMN)50 Geneva(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)55 Hong Kong(COLUMN)clear(COLUMN)8 p.m.(COLUMN)70 Lisbon(COLUMN)pt. cldy.(COLUMN)noon(COLUMN)68 London(COLUMN)clear(COLUMN)1 p.m.(COLUMN)63 Madrid(COLUMN)clear(COLUMN)1 p.m.(COLUMN)59 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)70 Manila(COLUMN)clear(COLUMN)8 p.m.(COLUMN)77 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)41 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)82 Nice(COLUMN)clear(COLUMN)1 p.m.(COLUMN)66 Oslo(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)43 Paris(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)61 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)39 Rome(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)66 Saigon(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)79 Sofia(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)54 Stockholm(COLUMN)clear(COLUMN)1 p.m.(COLUMN)45 Sydney(COLUMN)cloudy(COLUMN)10 p.m.(COLUMN)64 Tel Aviv(COLUMN)clear(COLUMN)2 p.m.(COLUMN)84 Tokyo(COLUMN)cloudy(COLUMN)9 p.m.(COLUMN)59 Tunis(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)72 Vlenna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Warsaw(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)50(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)clear(COLUMN)87(COLUMN)77 Barbados(COLUMN)pt. cldy.(COLUMN)86(COLUMN)74 Bermuda(COLUMN)pt. cldy.(COLUMN)77(COLUMN)73 Bogota(COLUMN)pt. cldy.(COLUMN)68(COLUMN)44 Calgary(COLUMN)pt. cldy.(COLUMN)41(COLUMN)21 Culiacan(COLUMN)pt. cldy.(COLUMN)89(COLUMN)59 Edmonton(COLUMN)clear(COLUMN)41(COLUMN)19 Havana(COLUMN)pt. cldy.(COLUMN)86(COLUMN)72 Kingston(COLUMN)pt. cldy.(COLUMN)89(COLUMN)77 Montego Bay(COLUMN)pt. cldy.(COLUMN)87(COLUMN)77 Mexico City(COLUMN)haze(COLUMN)70(COLUMN)53 Monterrey(COLUMN)pt. cldy.(COLUMN)67(COLUMN)41 Montreal(COLUMN)clody(COLUMN)54(COLUMN)50 Nassau(COLUMN)pt. sunny(COLUMN)85(COLUMN)66 Ottawa(COLUMN)cloudy(COLUMN)48(COLUMN)46 Regina(COLUMN)clear(COLUMN)39(COLUMN)10 St. Kitts(COLUMN)pt. cldy.(COLUMN)86(COLUMN)77 St. Thomas(COLUMN)pt. cldy.(COLUMN)87(COLUMN)74 Toronto(COLUMN)cloudy(COLUMN)54(COLUMN)50 Vancouver(COLUMN)cloudy(COLUMN)50(COLUMN)43 Veracruz(COLUMN)clear(COLUMN)87(COLUMN)65 Winnipeg(COLUMN)clear(COLUMN)34(COLUMN)16(END TABLE)