Washington: Today - Occasional rain likely, high in the mid 40s, low near 40. The chance of precipitation is 70 percent through tonight. Winds will be from the northeast. Thursday-Rain ending, high 50 to 55.

Maryland and Virginia: Today-Occasional rain likely, highs from the upper 30s to near 50, lows in the 30s and 40s. Thursday-Rain ending, highs from the 40s to the low 60s.

West Virginia: Today and Thursday - Periods of rain continuing low 40s to the low 50s, lows in the 40s.

Exended Area Forecast for Friday through Sunday-Partly cloudly with highs from the upper 30s to the mid 40s, low from the low 20s to the mid 30s. Normal Washington temperatures are a high of 43 and a low of 28.

Lower potomac and Chesapeake Ray-Snow, changing to rain during the day. Visibility will be less than 1 mile in precipitation. Winds will shift to the southeast at 10 to 15 knots. Waves will average 1 to 2 feet.

The Nation Yesterday: Four inches of new snow fell at Duluth, Minn., 3 inches at International Falls, Minn. and Casper, Whyo. Meanwhile, temperatures in the southern Midwest were warm for mid December. Record high temperatures for the date were broken from southern Kansas and Arkansas through Texas and Louisiana. The National Weather forecast for today-Rainshowers and occasional thurderstorms will extend from the lower Mississippi Valley across the Tennessee Valley, changing to drizzle in North Carolina. Rain will also extend across the Ohio Valley to the Virginias and Maryland, changing to freezing rain through southwestern Pennsylvania. Snow will reach from south and central New England across and Great Lakes with snow flurries scattered in the upper Mississippi Valley. Rain will continue along the Pacific Northwest coast. Temperatures will be mid from Oklahoma and much of Texas across the low half of the Mississippi Valley, the Ohio Valley through the Gulf Coast, from the central Great Lakes across the Virginias and down the Atlantic Coast through Florida. Elsewhere, temperatures across the nation will be seasonably cool or cold.

Almanac Data for today: The sun rises 7:22 a.m., sets 4:49 p.m.; moon rises 10:40 p.m., sets 11:07 a.m. Tides: high 11:43 a.m. and 11:59 p.m., low 6:23 a.m. and 6:36 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), Colonia Beach (5 1/4), Norfolk (1), Virginia Beach (3/4), Solomons island (6 1/4), 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 13 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 forecast for today indicates that the air quality will remain good.

The National Weather Service forecasts the Potomac River stage at Little Falls should fall to near 3.4 feet today.

Washington data for yesterday: Highest temperature since midnight yesterday, 46 degrees at 12:05 a.m. Lowest temperature since midnight, 37 degrees at 5:20 a.m. Exces of temperature since Dec. 1, 143 degrees. Excess of temperature since Jan 1, 359 degrees. Record high temperature for today, 66 degrees in 1889. Record low temperature for today, 20 degrees in 1942. Relative humidity: maximum, 55 percent at 7 a.m.; minimum, 29 percent at 3 p.m. 24 hour precipitation, none. Excess of precipitation since Dec. 1, 28 inches. Excess of precipitation since Jan. 1, 11 inches. Highest observed wind since 7 a.m., 16 miles per hour from the northnorth-west at 2 p.m. Peak gust since 7 a.m., 21 miles per hour from the northwest at 11:19 a.m.

Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 midnite(COLUMN)46(COLUMN)28 1 a..m.(COLUMN)42(COLUMN)35 2 a.m.(COLUMN)41(COLUMN)39 3 a.m.(COLUMN)40(COLUMN)44 4 a.m.(COLUMN)40(COLUMN)36 5 a.m.(COLUMN)39(COLUMN)50 6 a.m.(COLUMN)39(COLUMN)52 7 a.m.(COLUMN)38(COLUMN)55 8 a.m.(COLUMN)39(COLUMN)55 9 a.m.(COLUMN)41(COLUMN)51 10 a.m.(COLUMN)41(COLUMN)51 11 a.m.(COLUMN)42(COLUMN)49 12 noon(COLUMN)43(COLUMN)43 1 p.m.(COLUMN)44(COLUMN)35 2 p.m.(COLUMN)44(COLUMN)32 3 p.m.(COLUMN)44(COLUMN)29 4 p.m.(COLUMN)43(COLUMN)29 5 p.m.(COLUMN)41(COLUMN)30 6 p.m.(COLUMN)40(COLUMN)30 7 p.m.(COLUMN)40(COLUMN)27 8 p.m.(COLUMN)39(COLUMN)29 9 p.m.(COLUMN)39(COLUMN)29 10 p.m.(COLUMN)39(COLUMN)27 11 p.m.(COLUMN)39(COLUMN)27(END TABLE)

Temperatures ending 7 p.m. (EST) yesterday:(TABLE) City(COLUMN)L.(COLUMN)H. Albany(COLUMN)15(COLUMN)25 Albuquerque(COLUMN)39(COLUMN)62 Amarillo(COLUMN)49(COLUMN)70 Anchorage(COLUMN)2(COLUMN)20 Asheville(COLUMN)43(COLUMN)51 Atlanta(COLUMN)50(COLUMN)67 Atantic City(COLUMN)26(COLUMN)34 Austin(COLUMN)54(COLUMN)72 Baltimore(COLUMN)29(COLUMN)41 $6Billings 18(COLUMN)24 Birmingham(COLUMN)51(COLUMN)69 Bismarck(COLUMN)18(COLUMN)26 Boise(COLUMN)12(COLUMN)30 Boston(COLUMN)19(COLUMN)33 Brownsvile(COLUMN)65(COLUMN)81 Buffalo(COLUMN)19(COLUMN)23 Burlington, Vt.(COLUMN)0(COLUMN)20 Casper(COLUMN)20(COLUMN)33 Charleston, S.C.(COLUMN)56(COLUMN)67 Charleston, W.Va.(COLUMN)36(COLUMN)41 Charlotte(COLUMN)48(COLUMN)53 Cheyenne(COLUMN)32(COLUMN)46 Chicago(COLUMN)33(COLUMN)35 Cincinnati(COLUMN)35(COLUMN)39 Cleveland(COLUMN)22(COLUMN)31 Columbia, S.C.(COLUMN)53(COLUMN)65 Columbus(COLUMN)30(COLUMN)31 Dal.-Ft. Worth(COLUMN)53(COLUMN)73 Dayton(COLUMN)30(COLUMN)35 Denver(COLUMN)24(COLUMN)46 Des Moines(COLUMN)32(COLUMN)35 Detroit(COLUMN)20(COLUMN)26 Duluth(COLUMN)16(COLUMN)22 El Paso(COLUMN)52(COLUMN)66 Evansville(COLUMN)32(COLUMN)45 Fairbanks(COLUMN)-24(COLUMN)-4 Fargo(COLUMN)25(COLUMN)30 Flagstaff(COLUMN)22(COLUMN)29 Great Falls(COLUMN)9(COLUMN)29 Hartford(COLUMN)15(COLUMN)32 Helena(COLUMN)12(COLUMN)28 Honolulu(COLUMN)68(COLUMN)76 Houston(COLUMN)65(COLUMN)80 Indianapolis(COLUMN)37(COLUMN)38 Jackson(COLUMN)60(COLUMN)75 Jacksonville(COLUMN)45(COLUMN)74 Juneau(COLUMN)33(COLUMN)35 Kansas City(COLUMN)42(COLUMN)59 Las Vegas(COLUMN)39(COLUMN)50 Little Rock(COLUMN)51(COLUMN)72 Los Angeles(COLUMN)40(COLUMN)54 Louisville(COLUMN)37(COLUMN)45 Memphis(COLUMN)58(COLUMN)71 Miami Beach(COLUMN)62(COLUMN)78 Midland(COLUMN)41(COLUMN)78 Milwaukee(COLUMN)30(COLUMN)31 Mpls.-St. Paul(COLUMN)25(COLUMN)30 Nashville(COLUMN)45(COLUMN)64 New Orleans(COLUMN)61(COLUMN)77 New York(COLUMN)19(COLUMN)30 Norfolk(COLUMN)40(COLUMN)47 North Platte(COLUMN)17(COLUMN)34 Oklahoma City(COLUMN)54(COLUMN)75 Omaha(COLUMN)32(COLUMN)37 Orlando(COLUMN)47(COLUMN)81 Philadelphia(COLUMN)23(COLUMN)37 Phoenil(COLUMN)53(COLUMN)58 Pittsburgh(COLUMN)20(COLUMN)26 Pittsburgh(COLUMN)20(COLUMN)26 Portland, Me.(COLUMN)9(COLUMN)20 Portland, Ore.(COLUMN)27(COLUMN)32 Providence(COLUMN)17(COLUMN)34 Raleigh(COLUMN)41(COLUMN)49 Rapid City(COLUMN)21(COLUMN)35 Reno(COLUMN)20(COLUMN)28 Richmond(COLUMN)30(COLUMN)52 St. Louis(COLUMN)39(COLUMN)47 St. Prbg.-Tampa(COLUMN)52(COLUMN)74 Salt Lake City(COLUMN)28(COLUMN)36 San Antonio(COLUMN)59(COLUMN)69 San Diego(COLUMN)50(COLUMN)58 San Francisco(COLUMN)43(COLUMN)54 San Juan(COLUMN)73(COLUMN)85 St. Ste. Marie(COLUMN)-12(COLUMN)11 Seattle(COLUMN)31(COLUMN)35 Shreveport(COLUMN)64(COLUMN)77 Sioul Falls(COLUMN)28(COLUMN)32 Spokane(COLUMN)21(COLUMN)24 Syracuse(COLUMN)17(COLUMN)24 Topeka(COLUMN)40(COLUMN)61 Tucson(COLUMN)54(COLUMN)60 Tulsa(COLUMN)55(COLUMN)67 Washington(COLUMN)37(COLUMN)44 Wichita(COLUMN)47(COLUMN)66(END TABLE)

Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)36 Amsterdam(COLUMN)clear(COLUMN)1 p.m.(COLUMN)30 Ankara(COLUMN)pt. cldy.(COLUMN)3 p.m.(COLUMN)50 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)66 Berlin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)21 Birmingham(COLUMN)fog(COLUMN)1 p.m.(COLUMN)27 Bonn(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)27 Brussels(COLUMN)clear(COLUMN)1 p.m.(COLUMN)30 Copenhagen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)36 Dublin(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)45 Geneva(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)32 Hong kong(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)66 Jerusalem(COLUMN)clear(COLUMN)2 p.m.(COLUMN)68 LLisbon(COLUMN)cloudy(COLUMN)noon(COLUMN)50 London(COLUMN)clear(COLUMN)1 p.m.(COLUMN)37 Mardrid(COLUMN)clear(COLUMN)1 p.m.(COLUMN)39 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)66 Manila(COLUMN)pt. cldy.(COLUMN)8 p.m.(COLUMN)81 Moscow(COLUMN)clear(COLUMN)3 p.m.(COLUMN)12 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)73 Nice(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)50 Oslo(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)25 Paris(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)25 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)12 Rome(COLUMN)rain(COLUMN)1 p.m.(COLUMN)59 Saigon(COLUMN)clear(COLUMN)8 p.m.(COLUMN)82 Sofia(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)34 Stockholm(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)36 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)66 Tokyo(COLUMN)cloudy(COLUMN)9 p.m.(COLUMN)37 Tunis(COLUMN)clear(COLUMN)1 p.m.(COLUMN)63 Vienna(COLUMN)haze(COLUMN)1 p.m.(COLUMN)25 Warsaw(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)28(END TABLE)

Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)clear(COLUMN)90(COLUMN)71 Barbados(COLUMN)pt. cldy.(COLUMN)85(COLUMN)73 Bermuda(COLUMN)cloudy(COLUMN)66(COLUMN)60 Bogota(COLUMN)pt. cldy.(COLUMN)67(COLUMN)37 Calgary(COLUMN)clear(COLUMN)12(COLUMN)-02 Edmonton(COLUMN)clear(COLUMN)05(COLUMN)-08 Havana(COLUMN)fair(COLUMN)77(COLUMN)64 Mixico City(COLUMN)haze(COLUMN)73(COLUMN)41 Monterrey(COLUMN)sunny(COLUMN)68(COLUMN)51 Montreal(COLUMN)snow(COLUMN)12(COLUMN)01 Nassau(COLUMN)fair(COLUMN)76(COLUMN)53 Ottawa(COLUMN)clear(COLUMN)09(COLUMN)00 Regina(COLUMN)snow(COLUMN)16(COLUMN)07 St. Kitts(COLUMN)pt. cldy.(COLUMN)84(COLUMN)73 Toronto(COLUMN)snow(COLUMN)27(COLUMN)03 Vancouver(COLUMN)cloudy(COLUMN)43(COLUMN)32 Vera Cruz(COLUMN)sunny(COLUMN)84(COLUMN)68 Winnipeg(COLUMN)cloudy(COLUMN)18(COLUMN)12(END TABLE)