Washington Today: - Snow flurries, high in the 30s, low near 30. The chance of precipitation is 90 per cent today and 50 per cent tonight. Thursday - Chance of snow flurries, high in low 40s.

Maryland and Virginia: Today - Snow or rain, highs from the 30s to near 40, lows from the 20s to the mid 30s. Thursday - Chance of snow flurries, highs from the mid 20s to near 40.

Lower Potomac and Chesapeake Bay: Snow flurries with visibility of less than 3 miles. Wind will be from the west at less than 25 knots. Waves in unprotected waters will be less than 2 feet.

Extended Area Forecast for Friday through Sunday: Fair through the period. Highs will range from the 30s to the 40s, lows from the teens to the 30s. Normal Washington temperatures for the period are a high of 43 and a low of 23.

West Virginia: Today - Snow, highs from the mid 20s to the mid 30s, lows from the teens to the low 20s. Thursday - Chance of snow flurries, highs from the low 20s to near 30.

The National Weather Forecast for today: Rain will cover most of the Pacific Coast, as well as in parts of the northern and central Plateau. Snow will extend from the Grat Lakes and Ohio Valley to the Middle and Northern Atlantic Coast. Rain is possible from Kentucky and Tennessee to the Carolinas and southern Virginia. Mild temperatures are in store for portions of western Montana, east of the continental divide. It will be very cold from the lower Mississippi Valley into Alabama. Most of the remainder of the country will be cold.

Almanac Data for today - Sun rises 7:23 a.m., sets 4:50 p.m.; moon rises 1:30 p.m., sets 3:42 a.m.; Tides: high 5:00 a.m. and 5:20 p.m., low 11:34 a.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), Deal, 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 Wuality Index for yesterday showed th ehigh reading in the Washington area during the 2 p.m. to 3 p.m. period was 4 for the pollutant, particulate matter. 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 Polomac River stage at Little Falls should be near 6.2 feet today. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 mid.(COLUMN)40(COLUMN)76 1 a.m.(COLUMN)40(COLUMN)76 2 a.m.(COLUMN)39(COLUMN)79 3 a.m.(COLUMN)38(COLUMN)79 4 a.m.(COLUMN)38(COLUMN)82 5 a.m.(COLUMN)38(COLUMN)82 6 a.m.(COLUMN)38(COLUMN)82 7 a.m.(COLUMN)37(COLUMN)85 8 a.m.(COLUMN)38(COLUMN)67 9 a.m.(COLUMN)39(COLUMN)67 10 a.m.(COLUMN)40(COLUMN)65 11 a.m.(COLUMN)41(COLUMN)79 12 noon(COLUMN)42(COLUMN)82 1 p.m.(COLUMN)42(COLUMN)86 2 p.m.(COLUMN)42(COLUMN)86 3 p.m.(COLUMN)42(COLUMN)89 4 p.m.(COLUMN)43(COLUMN)89 5 p.m.(COLUMN)43(COLUMN)89 6 p.m.(COLUMN)43(COLUMN)93 7 p.m.(COLUMN)43(COLUMN)93(END TABLE) Temperatures ending 8 a.m. (EST) yesterday:(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)38(COLUMN)32 Alhuquerque(COLUMN)44(COLUMN)20 Amarillo(COLUMN)54(COLUMN)31 Anchorage(COLUMN)17(COLUMN)10 Asheville(COLUMN)57(COLUMN)38 Atlanta(COLUMN)64(COLUMN)47 Atlantic City(COLUMN)38(COLUMN)45 Austin(COLUMN)80(COLUMN)42 Baltimore(COLUMN)41(COLUMN)35 Billings(COLUMN)28(COLUMN)14 Birmingham(COLUMN)66(COLUMN)51 Bismarck(COLUMN)20(COLUMN)7 Boise(COLUMN)37(COLUMN)23 Boston(COLUMN)42(COLUMN)34 Brownsville(COLUMN)84(COLUMN)62 Buffalo(COLUMN)35(COLUMN)33 Burlington(COLUMN)32(COLUMN)27 Casper(COLUMN)28(COLUMN)10 Charleston, S.C.(COLUMN)64(COLUMN)48 Charleston, W.Va(COLUMN)53(COLUMN)39 Charlotte(COLUMN)59(COLUMN)43 Cheyenne(COLUMN)28(COLUMN)13 Chicago(COLUMN)40(COLUMN)34 Cincinnati(COLUMN)52(COLUMN)39 Cleveland(COLUMN)44(COLUMN)35 Columbia, S.C.(COLUMN)64(COLUMN)38 Columbus(COLUMN)49(COLUMN)39 Dal.-Ft. Worth(COLUMN)72(COLUMN)37 Dayton(COLUMN)49(COLUMN)1 Denver(COLUMN)37(COLUMN)13 Des Moines(COLUMN)34(COLUMN)15 Detroit(COLUMN)37(COLUMN)34 Duluth(COLUMN)34(COLUMN)23 El Paso(COLUMN)65(COLUMN)35 Fairbanks(COLUMN)3(COLUMN)23 Fargo(COLUMN)17(COLUMN)9 Great Falls(COLUMN)27(COLUMN)10 Hartford(COLUMN)35(COLUMN)32 Helena(COLUMN)37(COLUMN)20 Honolulu(COLUMN)80(COLUMN)70 Houston(COLUMN)76(COLUMN)48 Indiahapolis(COLUMN)50(COLUMN)36 Jackson, Miss.(COLUMN)75(COLUMN)38 Jacksonville(COLUMN)71(COLUMN)40 Juneau(COLUMN)31(COLUMN)26 Kansas City(COLUMN)36(COLUMN)23 Las Vegas(COLUMN)56(COLUMN)32 Little Rock(COLUMN)70(COLUMN)32 Los Angeles(COLUMN)66(COLUMN)50 Louisville(COLUMN)56(COLUMN)40 Memphis(COLUMN)67(COLUMN)39 Miami Beach(COLUMN)72(COLUMN)61 Midland-Odessa(COLUMN)68(COLUMN)30 Milwaukee(COLUMN)37(COLUMN)34 Mpls.-St. Paul(COLUMN)26(COLUMN)15 Nashville(COLUMN)61(COLUMN)39 New Orleans(COLUMN)77(COLUMN)58 New York(COLUMN)36(COLUMN)36 Norfolk(COLUMN)50(COLUMN)41 Oklahoma(COLUMN)City(COLUMN)52 24 Omaha(COLUMN)29(COLUMN)15 Orlando(COLUMN)73(COLUMN)44 Philadelphia(COLUMN)39(COLUMN)35 Phoenix(COLUMN)70(COLUMN)41 Pittsburgh(COLUMN)46(COLUMN)35 Portland, Maine(COLUMN)35(COLUMN)29 Portland, Ore.(COLUMN)43(COLUMN)35 Providence(COLUMN)39(COLUMN)31 Raleigh(COLUMN)55(COLUMN)39 Rapid City(COLUMN)31(COLUMN)17 Reno(COLUMN)35(COLUMN)22 Richmond(COLUMN)43(COLUMN)38 St. Louis(COLUMN)52(COLUMN)26 St. Prbg.-Tampa(COLUMN)68(COLUMN)44 Salt Lake City(COLUMN)34(COLUMN)10 San Antonio(COLUMN)81(COLUMN)44 San Diego(COLUMN)69(COLUMN)53 San Francisco(COLUMN)53(COLUMN)49 San Juan(COLUMN)84(COLUMN)71 St. Ste. Marie(COLUMN)35(COLUMN)34 Seattle(COLUMN)45(COLUMN)36 Shreveport(COLUMN)80(COLUMN)36 Sloux Falls(COLUMN)26(COLUMN)10 Spokane(COLUMN)30(COLUMN)15 Syracuse(COLUMN)36(COLUMN)29 Topeka(COLUMN)34(COLUMN)22 Tucson(COLUMN)61(COLUMN)36 Tulsa(COLUMN)50(COLUMN)24 Washington(COLUMN)42(COLUMN)37 Wichita(COLUMN)43(COLUMN)20(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)48 Amsterdam(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)41 Ankara(COLUMN)pt. cldy.(COLUMN)3 p.m.(COLUMN)39 Athens(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)52 Auckland(COLUMN)cloudy(COLUMN)midnt.(COLUMN)61 Berlin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)41 Birmingham(COLUMN)rain(COLUMN)1 p.m.(COLUMN)39 Brussels(COLUMN)clear(COLUMN)1 p.m.(COLUMN)43 Casablanca(COLUMN)pt. cldy.(COLUMN)noon(COLUMN)72 Copenhagen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)41 Dublin(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)Geneva cloudy(COLUMN)1 p.m.(COLUMN)28 Hong Kong(COLUMN)clear(COLUMN)8 p.m.(COLUMN)68 London(COLUMN)haze(COLUMN)1 p.m.(COLUMN)45 Madrid(COLUMN)rain(COLUMN)1 p.m.(COLUMN)48 Malta(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)55 Manila(COLUMN)clear(COLUMN)8 p.m.(COLUMN)77 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)32 New Delhi(COLUMN)cloudy(COLUMN)5 p.m.(COLUMN)70 Nice(COLUMN)clear(COLUMN)1 p.m.(COLUMN)54 Oslo(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)23 Paris(COLUMN)clear(COLUMN)1 p.m.(COLUMN)34 Peking(COLUMN)Clear(COLUMN)8 p.m.(COLUMN)28 Rome(COLUMN)clear(COLUMN)1 p.m.(COLUMN)54 Salgon(COLUMN)pt. cldy.(COLUMN)8 p.m.(COLUMN)84 Sofia(COLUMN)cloudy(COLUMN)2 p!m.(COLUMN)28 Stockholm(COLUMN)clear(COLUMN)1 p.m.(COLUMN)34 Sydney(COLUMN)pt. cldy.(COLUMN)10 p.m.(COLUMN)70 Tel Aviv(COLUMN)pt. cldy.(COLUMN)2 p.m.(COLUMN)64 Tokyo(COLUMN)clear(COLUMN)9 p.m.(COLUMN)46 Tunis(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)57 Vienna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)27 Warsaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)36(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco clear(COLUMN)87(COLUMN)74 Barbados(COLUMN)clear(COLUMN)84(COLUMN)75 Bermuda(COLUMN)clear(COLUMN)75(COLUMN)65 Bopota(COLUMN)pt. cldy(COLUMN)66(COLUMN)39 Calgory(COLUMN)cloudy(COLUMN)21(COLUMN)1 Culiacan(COLUMN)fair(COLUMN)87(COLUMN)52 Edmonton(COLUMN)clear(COLUMN)7(COLUMN)11 Havana(COLUMN)clear(COLUMN)75(COLUMN)61 Kingston(COLUMN)cloudy(COLUMN)86(COLUMN)73 Montego Bay(COLUMN)clear(COLUMN)82(COLUMN)72 Mexico City(COLUMN)haze(COLUMN)75(COLUMN)43 Monterrey(COLUMN)fair(COLUMN)91(COLUMN)48 Montreal(COLUMN)cloudy(COLUMN)34(COLUMN)23 Nassau(COLUMN)clear(COLUMN)75(COLUMN)52 Ottawa(COLUMN)cloudy(COLUMN)30(COLUMN)23 Regina(COLUMN)snow(COLUMN)5(COLUMN)6 St. Kitts(COLUMN)clear(COLUMN)85(COLUMN)72 St. Thomas(COLUMN)pt. cldy(COLUMN)85(COLUMN)70 Toronto(COLUMN)cloudy(COLUMN)25(COLUMN)32 Vancouver(COLUMN)pt. cldy(COLUMN)41(COLUMN)30 Veracruz(COLUMN)cloudy(COLUMN)86(COLUMN)65 Winnipeg(COLUMN)snow(COLUMN)25(COLUMN)14(END TABLE)