link to National Oceanic and Atmospheric Administration.
Your NATIONAL WEATHER SERVICE forecast for
GRAYSON COUNTY
 ...INCLUDING THE CITIES OF...DENISON...SHERMAN
ISSUED 348 PM CDT SUN SEP 7 2008
link to the National Weather Service home page.
Click on column header for description.

WEEKLY QUICKCAST

REST OF TODAY

Go to today's 3 hourly forecast.TIME

Temp

Dew
Point

Rel
Hum

Sky

Wind
Dir

Wind
Spd

TODAY's printable forecast

TONIGHT

LOW
PROB OF PRECIP
Lower Forecast Temperature in minimum temperature range is BLANK degrees.Minimum Forecast Temperature for tonight is 69 degrees.Higher Forecast Temperature in minimum temperature range is BLANK degrees. Probability of Precipitation for tonight is 10 percent.
Go to tonight's 3 hourly forecast.TIME Temp Dew
Point		 Rel
Hum		 Sky Wind
Dir		 Wind
Spd		 Heat
Index

4PM

 4PM temperature will be 89 degrees. 4PM dewpoint will be 63 degrees. 4PM relative humidity will be 42 percent. Sky at 4PM will be MOSTLY CLEAR. Wind Direction at 4PM will be SOUTHEAST. Wind speed at 4PM will be
9 miles per hour.
 At 4PM heat index NONE.

7PM

 7PM temperature will be 87 degrees. 7PM dewpoint will be 62 degrees. 7PM relative humidity will be 43 percent. Sky at 7PM will be MOSTLY CLEAR. Wind Direction at 7PM will be SOUTHEAST. Wind speed at 7PM will be
10 miles per hour.
 At 7PM heat index 87.

10PM

 10PM temperature will be 75 degrees. 10PM dewpoint will be 63 degrees. 10PM relative humidity will be 66 percent. Sky at 10PM will be MOSTLY CLEAR. Wind Direction at 10PM will be SOUTHEAST. Wind speed at 10PM will be
10 miles per hour.
 At 10PM heat index NONE.

1AM

 1AM temperature will be 72 degrees. 1AM dewpoint will be 63 degrees. 1AM relative humidity will be 73 percent. Sky at 1AM will be MOSTLY CLEAR. Wind Direction at 1AM will be SOUTHEAST. Wind speed at 1AM will be
9 miles per hour.
 At 1AM heat index NONE.

TONIGHT's printable forecast

TOMORROW

HIGH
PROB OF PRECIP
Lower Forecast Temperature in maximum temperature range is BLANK degrees.Maximum Forecast Temperature for tomorrow is 89 degrees.Higher Forecast Temperature in maximum temperature range is BLANK degrees. Probability of Precipitation for tomorrow is 20 percent.
12 HR PRECIP AMOUNT (in.)
0.03
Go to tomorrow's 3 hourly forecast.TIME Temp Dew
Point		 Rel
Hum		 Sky Wind
Dir		 Wind
Spd		 Thunder-
storms		 Rain
Shwrs		 Heat
Index

4AM

 4AM temperature will be 70 degrees. 4AM dewpoint will be 65 degrees. 4AM relative humidity will be 84 percent. Sky at 4AM will be MOSTLY CLEAR. Wind Direction at 4AM will be SOUTHEAST. Wind speed at 4AM will be
8 miles per hour.
 At 4AM there will be NO thunderstorms. At 4AM there will be NO rain showers. At 4AM heat index NONE.

7AM

 7AM temperature will be 69 degrees. 7AM dewpoint will be 66 degrees. 7AM relative humidity will be 90 percent. Sky at 7AM will be PARTLY CLOUDY. Wind Direction at 7AM will be SOUTHEAST. Wind speed at 7AM will be
8 miles per hour.
 At 7AM there will be NO thunderstorms. At 7AM there will be NO rain showers. At 7AM heat index NONE.

10AM

 10AM temperature will be 76 degrees. 10AM dewpoint will be 64 degrees. 10AM relative humidity will be 66 percent. Sky at 10AM will be PARTLY CLOUDY. Wind Direction at 10AM will be SOUTH. Wind speed at 10AM will be
9 miles per hour.
 At 10AM there will be NO thunderstorms. At 10AM there will be NO rain showers. At 10AM heat index NONE.

1PM

 1PM temperature will be 86 degrees. 1PM dewpoint will be 62 degrees. 1PM relative humidity will be 45 percent. Sky at 1PM will be PARTLY CLOUDY. Wind Direction at 1PM will be SOUTH. Wind speed at 1PM will be
11 miles per hour.
 At 1PM there will be SLIGHT CHANCE thunderstorms. At 1PM there will be SLIGHT CHANCE rain showers. At 1PM heat index 86.

TOMORROW's printable forecast

TOMORROW NIGHT

LOW
PROB OF PRECIP
Lower Forecast Temperature in minimum temperature range is 59 degrees.Minimum Forecast Temperature for tomorrow night is 62 degrees.Higher Forecast Temperature in minimum temperature range is 67 degrees. Probability of Precipitation for tomorrow night is 30 percent.
12 HR PRECIP AMOUNT (in.)
0.09
Go to tomorrow night's 3 hourly forecast.TIME Temp Dew
point		 Rel
Hum		 Sky Wind
Dir		 Wind
Spd		 Thunder-
storms		 Rain
Shwrs		 Heat
Index

4PM

 4PM temperature will be 88 degrees. 4PM dewpoint will be 64 degrees. 4PM relative humidity will be 45 percent. Sky at 4PM will be PARTLY CLOUDY. Wind Direction at 4PM will be SOUTH. Wind speed at 4PM will be
11 miles per hour.
 At 4PM there will be SLIGHT CHANCE thunderstorms. At 4PM there will be SLIGHT CHANCE rain showers. At 4PM heat index 89.

7PM

 7PM temperature will be 85 degrees. 7PM dewpoint will be 66 degrees. 7PM relative humidity will be 53 percent. Sky at 7PM will be PARTLY CLOUDY. Wind Direction at 7PM will be SOUTH. Wind speed at 7PM will be
10 miles per hour.
 At 7PM there will be CHANCE thunderstorms. At 7PM there will be CHANCE rain showers. At 7PM heat index 87.

10PM

 10PM temperature will be 72 degrees. 10PM dewpoint will be 67 degrees. 10PM relative humidity will be 84 percent. Sky at 10PM will be PARTLY CLOUDY. Wind Direction at 10PM will be SOUTH. Wind speed at 10PM will be
8 miles per hour.
 At 10PM there will be CHANCE thunderstorms. At 10PM there will be CHANCE rain showers. At 10PM heat index NONE.

1AM

 1AM temperature will be 68 degrees. 1AM dewpoint will be 68 degrees. 1AM relative humidity will be 100 percent. Sky at 1AM will be MOSTLY CLOUDY. Wind Direction at 1AM will be SOUTHEAST. Wind speed at 1AM will be
5 miles per hour.
 At 1AM there will be CHANCE thunderstorms. At 1AM there will be CHANCE rain showers. At 1AM heat index NONE.

TOMORROW NIGHT's printable forecast

TUE

HIGH
PROB OF PRECIP
Lower Forecast Temperature in maximum temperature range is BLANK degrees.Maximum Forecast Temperature is 85 degreesHigher Forecast Temperature in maximum temperature range is BLANK degrees. Probability of Precipitation is 30 percent.
12 HR PRECIP AMOUNT (in.)
0.11
Go to this day's 3 hourly forecast.TIME Temp Dew
point		 Rel
Hum		 Sky Wind
Dir		 Wind
Spd		 Thunder-
storms		 Rain
Shwrs		 Heat
Index

4AM

 4AM temperature will be 64 degrees. 4AM dewpoint will be 64 degrees. 4AM relative humidity will be 100 percent. Sky at 4AM will be PARTLY CLOUDY. Wind Direction at 4AM will be EAST. Wind speed at 4AM will be
5 miles per hour.
 At 4AM there will be CHANCE thunderstorms. At 4AM there will be CHANCE rain showers. At 4AM heat index NONE.

7AM

 7AM temperature will be 62 degrees. 7AM dewpoint will be 62 degrees. 7AM relative humidity will be 100 percent. Sky at 7AM will be PARTLY CLOUDY. Wind Direction at 7AM will be NORTH. Wind speed at 7AM will be
6 miles per hour.
 At 7AM there will be CHANCE thunderstorms. At 7AM there will be CHANCE rain showers. At 7AM heat index NONE.

10AM

 10AM temperature will be 72 degrees. 10AM dewpoint will be 65 degrees. 10AM relative humidity will be 79 percent. Sky at 10AM will be PARTLY CLOUDY. Wind Direction at 10AM will be NORTH. Wind speed at 10AM will be
8 miles per hour.
 At 10AM there will be CHANCE thunderstorms. At 10AM there will be CHANCE rain showers. At 10AM heat index NONE.

1PM

 1PM temperature will be 81 degrees. 1PM dewpoint will be 63 degrees. 1PM relative humidity will be 54 percent. Sky at 1PM will be PARTLY CLOUDY. Wind Direction at 1PM will be NORTHEAST. Wind speed at 1PM will be
8 miles per hour.
 At 1PM there will be SLIGHT CHANCE thunderstorms. At 1PM there will be SLIGHT CHANCE rain showers. At 1PM heat index 82.

TUE's printable forecast

TUE NIGHT

LOW
PROB OF PRECIP
Lower Forecast Temperature in minimum temperature range is BLANK degrees.Minimum Forecast Temperature for tomorrow night is 67 degrees.Higher Forecast Temperature in minimum temperature range is BLANK degrees. Probability of Precipitation for tomorrow night is 10 percent.
Go to TUE night's 3 hourly forecast.TIME Temp Dew
point		 Rel
Hum		 Sky Wind
Dir		 Wind
Spd		 Thunder-
storms		 Rain
Shwrs		 Heat
Index

4PM

 4PM temperature will be 85 degrees. 4PM dewpoint will be 63 degrees. 4PM relative humidity will be 48 percent. Sky at 4PM will be PARTLY CLOUDY. Wind Direction at 4PM will be EAST. Wind speed at 4PM will be
6 miles per hour.
 At 4PM there will be SLIGHT CHANCE thunderstorms. At 4PM there will be SLIGHT CHANCE rain showers. At 4PM heat index 86.

7PM

 7PM temperature will be 82 degrees. 7PM dewpoint will be 64 degrees. 7PM relative humidity will be 55 percent. Sky at 7PM will be MOSTLY CLEAR. Wind Direction at 7PM will be EAST. Wind speed at 7PM will be
5 miles per hour.
 At 7PM there will be NO thunderstorms. At 7PM there will be NO rain showers. At 7PM heat index 83.

10PM

 10PM temperature will be 74 degrees. 10PM dewpoint will be 63 degrees. 10PM relative humidity will be 69 percent. Sky at 10PM will be MOSTLY CLEAR. Wind Direction at 10PM will be SOUTHEAST. Wind speed at 10PM will be
4 miles per hour.
 At 10PM there will be NO thunderstorms. At 10PM there will be NO rain showers. At 10PM heat index NONE.

1AM

 1AM temperature will be 71 degrees. 1AM dewpoint will be 63 degrees. 1AM relative humidity will be 76 percent. Sky at 1AM will be MOSTLY CLEAR. Wind Direction at 1AM will be SOUTHEAST. Wind speed at 1AM will be
4 miles per hour.
 At 1AM there will be NO thunderstorms. At 1AM there will be NO rain showers. At 1AM heat index NONE.

TUE NIGHT's printable forecast

EXTENDED PERIOD

WED
PROB OF
PRECIP
There is a 10 percent chance of precipitation on WED.
HIGH
The maximum temperature on WED will be 88 degrees.
WIND
Light
Wind generally light from the EAST.
12PM
TEMP
85
DWPT
65
 Around noon, the skies will be PARTLY CLOUDY.
6PM
TEMP
84
DWPT
65
 The skies will be PARTLY CLOUDY at 6 pm.
WED
NIGHT
PROB OF
PRECIP
On WED NIGHT there is a 10 percent chance of precipitation.
LOW
On WED NIGHT the minimum temperature will be 69 degrees.
WIND
Light
Wind generally light from the SOUTHEAST.
12AM
TEMP
73
DWPT
64
 It will be PARTLY CLOUDY at midnight.
6AM
TEMP
69
DWPT
67
 Around sunrise, the skies will be PARTLY CLOUDY.
THU
PROB OF
PRECIP
On THU there is a 20 percent chance of precipitation.
HIGH
The maximum temperature on THU will be 91.
WIND
Light
Wind generally light from the SOUTHEAST.
12PM
TEMP
88
DWPT
68
 At noon, expect PARTLY CLOUDY skies.
6PM
TEMP
87
DWPT
67
 It will be PARTLY CLOUDY at 6 pm. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
THU
NIGHT
PROB OF
PRECIP
There is a 20 percent chance of precipitation on THU NIGHT.
LOW
The minimum temperature will be 70 on THU NIGHT.
WIND
Light
Wind generally light from the EAST.
12AM
TEMP
74
DWPT
65
 At midnight, expect PARTLY CLOUDY skies. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
6AM
TEMP
70
DWPT
68
 The sky will be PARTLY CLOUDY near sun rise. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
FRI
PROB OF
PRECIP
On THU there is a 20 percent chance of precipitation.
HIGH
The maximum temperature FRI will be 92.
WIND
Light
Wind generally light from the EAST.
12PM
TEMP
88
DWPT
65
 Around noon, the skies will be PARTLY CLOUDY. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
6PM
TEMP
88
DWPT
64
 It will be PARTLY CLOUDY at 6 pm. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
FRI
NIGHT
PROB OF
PRECIP
There is a 20 percent chance of precipitation on FRI NIGHT.
LOW
The minimum temperature FRI NIGHT will be 70.
WIND
Gentle
Wind generally gentle from the SOUTHEAST.
12AM
TEMP
75
DWPT
64
 The skies will be PARTLY CLOUDY at midnight. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
6AM
TEMP
70
DWPT
64
 The skies will be PARTLY CLOUDY at 6 am. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
SAT
PROB OF
PRECIP
There is a 20 percent chance of precipitation on SAT.
HIGH
The maximum temperature on SAT will be 91.
WIND
Light
Wind generally light from the EAST.
12PM
TEMP
87
DWPT
64
 The skies will be PARTLY CLOUDY at noon. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
6PM
TEMP
87
DWPT
63
 Around sunset, the skies will be PARTLY CLOUDY. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
SAT
NIGHT
PROB OF
PRECIP
There is a 20 percent chance of precipitation on SAT NIGHT.
LOW
The minimum temperature SAT NIGHT will be 73.
WIND
Gentle
Wind generally gentle from the NORTHEAST.
12AM
TEMP
76
DWPT
66
 The skies will be PARTLY CLOUDY at midnight. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
6AM
TEMP
73
DWPT
67
 The skies will be MOSTLY CLOUDY at 6 am. There will be a slight chance of thunderstorms. You can expect a slight chance of rain showers.
Extended Range's printable forecast

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