Washington Today - Partly cloudy, rain likely by tongiht. High will be in the upper 30s, lows in the low 30s. The chance of rain is 40 per cent today and 60 per cent tonight.Monday - Chance of rain, high near 50.

Maryland and Virginia: Today - Partly cloudy, rain likely by tonight. Highs will be from the 20s where, lows from near 20 to the near 40.Monday - Rain, highs from the 30s to the 50s.

Lower Potomac and Chesapeake Bay: Today - Cloudy, rain likely by tonight. Wind will be from the south at less than 20 knots. Visibility will be more than 5 miles, except lower in rain. Waves in unprotected waters will be from 2 to 3 feet.

West Virginia: Today - Snow, high from the mid 20s to the mid 30s, lows from the mid teens to the mid 20s. Monday - Snow, highs from the mid 20s to the mid 30s.

Extended Area Forecast for Tuesday through Thursday: Chance of rain by Wednesday, fair during the rest of the period. There is a chance of snow in the mountains on Wednesday. Highs will be in the 40s, lows from the mid 20s to the mid 30s. Normal Washington temperatures for the period are a high of 50 and a low of 34.

The National Weather Forecast for today - Snow is likely over the middle Mississippi Valley, the lower Ohio Valley and the lower Great Lakes. Scattered flurries will fall over New England, while scattered rain, with snow at higher elvations, will extend over the middle and southern Atlantic Coast. Rain will again cover the northern Pacific Coast and most of the northern intermountain area, with snow falling over the higher mountains. Skies will be mostly sunny over the Great Plains the southern Rockies and the Southwest. Cold temperatures will prevail over the eastern two-thirds of the nation especially in northern areas. It will be cool over the Northwest but mild to warm in the Southwest.

The National Weather Service forecasts the Potomac River stage at Little Falls should be near 4 feet today.

Almanac Data for today - Sun rises 7:03 a.m., sets 4:46 p.m.; Moon rises 3:18 p.m., sets 3:55 a.m. Tides: High 8:57 a.m. and 9:12 p.m., low 3:34 a.m. and 3:38 p.m. High and low tides at the following locations may be obtained by subtracting the hours indicated from the tides above: Annapolis (1 1/2), Bloody Point Lighthouse (4 1/2), Deale, Md. (1 1/2), Colonial Beach (6), Norfolk (1 1/2), Virginia Beach (1), Solomons Island (6 1/2), Point Lookout (7). Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 midnight(COLUMN)42(COLUMN)86 1 a.m.(COLUMN)42(COLUMN)86 2 a.m.(COLUMN)42(COLUMN)82 3 a.m.(COLUMN)42(COLUMN)79 4 a.m.(COLUMN)43(COLUMN)73 5 a.m.(COLUMN)42(COLUMN)73 6 a.m.(COLUMN)41(COLUMN)76 7 a.m.(COLUMN)40(COLUMN)76 8 a.m.(COLUMN)40(COLUMN)65 9 a.m.(COLUMN)39(COLUMN)57 10 a.m.(COLUMN)39(COLUMN)51 11 a.m.(COLUMN)38(COLUMN)46 12 noon(COLUMN)37(COLUMN)46 1 p.m.(COLUMN)37(COLUMN)44 2 p.m.(COLUMN)37(COLUMN)44 3 p.m.(COLUMN)36(COLUMN)42 4 p.m.(COLUMN)35(COLUMN)40 5 p.m.(COLUMN)33(COLUMN)40 6 p.m.(COLUMN)32(COLUMN)38(END TABLE) Temperatures ending 8 a.m. (EST) yesterday:(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)42(COLUMN)33 Albuquerque(COLUMN)65(COLUMN)33 Amarillo(COLUMN)61(COLUMN)37 Anchorage(COLUMN)18(COLUMN)05 Asheville(COLUMN)52(COLUMN)23 Atlanta(COLUMN)64(COLUMN)27 Atlantic City(COLUMN)54(COLUMN)41 Austin(COLUMN)70(COLUMN)41 Baltimore(COLUMN)43(COLUMN)38 Billings(COLUMN)37(COLUMN)24 Birmingham(COLUMN)54(COLUMN)27 Bismarck(COLUMN)01(COLUMN)16 Boise(COLUMN)52(COLUMN)47 Boston(COLUMN)50(COLUMN)47 Brownsville(COLUMN)81(COLUMN)58 Buffalo(COLUMN)46(COLUMN)32 Burlington(COLUMN)41(COLUMN)31 Casper(COLUMN)46(COLUMN)39 Charleston, S.C.(COLUMN)69(COLUMN)46 Charleston, W.Va.(COLUMN)50(COLUMN)23 Charlotte(COLUMN)57(COLUMN)35 Cheyenne(COLUMN)52(COLUMN)48 Chicago(COLUMN)33(COLUMN)05 Cincinnai(COLUMN)41(COLUMN)14 Cleveland(COLUMN)44(COLUMN)22 Columbia, S.C.(COLUMN)66(COLUMN)38 Columbus(COLUMN)42(COLUMN)20 Dal.-Ft. Worth(COLUMN)65(COLUMN)35 Dayton(COLUMN)41(COLUMN)17 Denver(COLUMN)58(COLUMN)39 Des. Monies(COLUMN)23(COLUMN)zero Detroit(COLUMN)34(COLUMN)18 Duluth(COLUMN)8(COLUMN)-6 El. Paso(COLUMN)2(COLUMN)-9 Flagstaff(COLUMN)66(COLUMN)26 Great Falls(COLUMN)49(COLUMN)39 Hartford(COLUMN)44(COLUMN)39 Helena(COLUMN)55(COLUMN)32 Honolulu(COLUMN)84(COLUMN)72 Houston(COLUMN)67(COLUMN)52 Indianapolis(COLUMN)39(COLUMN)13 Jackson, Miss.(COLUMN)64(COLUMN)32 Jacksonsville(COLUMN)74(COLUMN)48 Juneau(COLUMN)32(COLUMN)27 Kansas City(COLUMN)37(COLUMN)9 Las Vegas(COLUMN)75(COLUMN)45 Little Rock(COLUMN)64(COLUMN)23 Los Angeles(COLUMN)93(COLUMN)62 Louisville(COLUMN)45(COLUMN)17 Memphis(COLUMN)59(COLUMN)25 Miami Beach(COLUMN)81(COLUMN)66 Midland-Odessa(COLUMN)68(COLUMN)39 Milwaukee(COLUMN)28(COLUMN)3 Mpls-St. Paul(COLUMN)6(COLUMN)-16 Nashville(COLUMN)47(COLUMN)17 New Orleans(COLUMN)64(COLUMN)48 New York(COLUMN)44(COLUMN)41 Norfolk(COLUMN)51(COLUMN)44 North Platte(COLUMN)48(COLUMN)22 Oklahoma City(COLUMN)58(COLUMN)27 Omaha(COLUMN)31(COLUMN)03 Orlando(COLUMN)80(COLUMN)58 Philadelphia(COLUMN)44(COLUMN)37 Phoenix(COLUMN)82(COLUMN)54 Pittsburgh(COLUMN)46(COLUMN)25 Portland, Maine(COLUMN)44(COLUMN)40 Portland, Ore.(COLUMN)63(COLUMN)50 Providence(COLUMN)46(COLUMN)43 Raleigh(COLUMN)55(COLUMN)38 Rapid City(COLUMN)20(COLUMN)19 Reno(COLUMN)65(COLUMN)33 Richmond(COLUMN)50(COLUMN)40 St. Louis(COLUMN)39(COLUMN)7 St. Prbg-Tampa(COLUMN)77(COLUMN)59 Salt Lake City(COLUMN)65(COLUMN)48 San Antonio(COLUMN)71(COLUMN)43 San Diego(COLUMN)83(COLUMN)61 San Francisco(COLUMN)66(COLUMN)55 San Juan(COLUMN)84(COLUMN)76 St. Ste. Marie(COLUMN)516(COLUMN)3 Seattle(COLUMN)59(COLUMN)48 Shreveport(COLUMN)70(COLUMN)35 Sioux Falls(COLUMN)4(COLUMN)-07 Spokane(COLUMN)42(COLUMN)39 Syracuse(COLUMN)46(COLUMN)33 Topeka(COLUMN)38(COLUMN)10 Tucson(COLUMN)79(COLUMN)49 Tulsa(COLUMN)51(COLUMN)22 Washington(COLUMN)44(COLUMN)40 Wichita(COLUMN)41(COLUMN)21(END TABLE) Temperature Abroad Yesterday(TABLE) City(COLUMN)Weath(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)37 Amsterdam(COLUMN)clear(COLUMN)1 p.m.(COLUMN)41 Ankara(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)59 Athens(COLUMN)pt. cldy(COLUMN)2 p.m.(COLUMN)66 Auckland(COLUMN)clear(COLUMN)mdn(COLUMN)57 Berlin(COLUMN)rain(COLUMN)1 p.m.(COLUMN)37 Birmingham(COLUMN)smoke(COLUMN)1 p.m.(COLUMN)39 Brussels(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)41 Casablanca(COLUMN)pt. cldy(COLUMN)noon(COLUMN)61 Copenhagen(COLUMN)snow(COLUMN)1 p.m.(COLUMN)34 Dublin(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)45 Geneva(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)36 Hong Kong(COLUMN)clear(COLUMN)8 p.m.(COLUMN)68 Lisbon(COLUMN)cloudy(COLUMN)noon(COLUMN)57 London(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)41 Madrid(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)46 Malta(COLUMN)rain(COLUMN)1 p.m.(COLUMN)52 Manila(COLUMN)pt. cldy(COLUMN)8 p.m.(COLUMN)81 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)32 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)73 Nice(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)52 Oslo(COLUMN)clear(COLUMN)1 p.m.(COLUMN)34 Paris(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)43 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)36 Rome(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)48 Saigon(COLUMN)clear(COLUMN)8 p.m.(COLUMN)68 Sofia(COLUMN)rain(COLUMN)2 p.m.(COLUMN)48 Stockholm(COLUMN)pt. cldy(COLUMN)2 p.m.(COLUMN)48 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)68 Tel Aviv(COLUMN)pt. cldy(COLUMN)2 p.m.(COLUMN)88 Tokyo(COLUMN)rain(COLUMN)9 p.m.(COLUMN)54 Tunis(COLUMN)rain(COLUMN)1 p.m.(COLUMN)50 Vienna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)39 Warssaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)39(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)fair(COLUMN)60$(COLUMN)77 Barbados(COLUMN)rain(COLUMN)86(COLUMN)79 Bermuda(COLUMN)cloudy(COLUMN)75(COLUMN)74 Bogota(COLUMN)cloudy(COLUMN)64(COLUMN)46 Calgary(COLUMN)rain(COLUMN)21(COLUMN)16 Edmonton(COLUMN)snow(COLUMN)19(COLUMN)14 Havana(COLUMN)clear(COLUMN)82(COLUMN)75 Kingston(COLUMN)cloudy(COLUMN)84(COLUMN)77 Montego Bay(COLUMN)rain(COLUMN)86(COLUMN)72 Mexico City(COLUMN)haze(COLUMN)73(COLUMN)41 Monterrey(COLUMN)fair(COLUMN)85(COLUMN)51 Montreal(COLUMN)snow(COLUMN)30(COLUMN)25 Ottawa(COLUMN)snow(COLUMN)30(COLUMN)21 Regina(COLUMN)snow(COLUMN)9(COLUMN)zero St. Kitts(COLUMN)rain(COLUMN)83(COLUMN)73 St. Thomas(COLUMN)pt. cldy(COLUMN)81(COLUMN)76 Toronto(COLUMN)snow(COLUMN)41(COLUMN)27 Vancouver(COLUMN)pt. cldy(COLUMN)43(COLUMN)41 Veracruz(COLUMN)cloudy(COLUMN)86(COLUMN)70 Winnipeg(COLUMN)cloudy(COLUMN)9(COLUMN)-9(END TABLE)