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Dallas County, AL Weather and Climate Synopsis

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US Weekly Rainfall Departure



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A joint service of the UK Ag Weather Center and the National Weather Service.


- Heat: Major HeatRisk is expected to persist through the middle
  of the workweek.  Heat indices are forecast between 103 to 109
  degrees. A Heat Advisory is now in effect for portions of
  central Alabama on Tuesday.

- Thunderstorms: Isolated afternoon thunderstorms will remain in
  the forecast through Thursday, especially south of I-20. More
  organized rain chances will increase closer to the weekend, as a
  series of disturbances moves through the region.

Alabama Forecast Discussion (NWS)
National Ag. Weather Outlook, International Ag. Weather Summary

Current Surface Map, [2nd Source TWC]

Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook in case of corrupt tables.
Regional Hourly Observations For DALLAS County
1100 PM CDT MON AUG 17 2026
WEST CENTRAL ALABAMA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
HALEYVILLE     CLOUDY    75  73  93 CALM      30.06S TC  24           
JASPER         MOCLDY    75  75 100 CALM      30.04S TC  24           
TUSCALOOSA     PTCLDY    84  72  67 N7        30.01R TC  29           
DEMOPOLIS      PTCLDY    81  73  76 S3        30.01S TC  27           

Current Temperatures, Dewpoint, RH, Wind, Regional Obs, Surface 4-Panel


Current Agricultural Weather Conditions in Alabama
Based on observations at 1100pm CDT, Monday August 17, 2026

Across Alabama...temperatures are near 77 degrees north, near 75 degrees central, and near CLOUDY degrees south. Current sky conditions are mostly cloudy north, mostly cloudy central, and regapt south. In the north, relative humidity is near 93%, and the dew point is near 75 degrees. In the central part of the state, relative humidity is near 84%, and the dew point is near 70 degrees. In the south, relative humidity is near 73%, and the dew point is near 76 degrees. The livestock heat stress category is no stress north, no stress central, and danger south. Winds are from the west at 3 mph north, where conditions are favorable for spraying. Winds are from the south at 5 mph central, where conditions are favorable for spraying. Winds are south, where conditions are not favorable for spraying due to regapt. Based on current available observations, the highest temperature is 84 degrees at Tuscaloosa. The lowest temperature is CLOUDY degrees at Mobile.


Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

U.S. Radar Map, All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For DALLAS County
Hazardous report currently not available
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For DALLAS County, Alabama
1027 PM CDT Mon Aug 17 2026


HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT TUESDAY

TONIGHT
Partly cloudy. Lows in the mid 70s. Southwest winds around 5 mph.

TUESDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Northwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 109.

TUESDAY NIGHT
Partly cloudy. A slight chance of showers after midnight. Lows in the lower 70s. Northwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

WEDNESDAY
Sunny, hot with highs in the upper 90s. Northwest winds around 5 mph. Heat index values up to 106.

WEDNESDAY NIGHT
Mostly clear. Lows in the mid 70s. Northwest winds around 5 mph in the evening, becoming light and variable.

THURSDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 105.

THURSDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 70s. Chance of rain 30 percent.

FRIDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent.

FRIDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent.

SATURDAY
Mostly sunny. Highs in the mid 90s.

SATURDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent.

SUNDAY
Sunny. Highs in the mid 90s.

SUNDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent.

MONDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent.

12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2


Medium & Long Range Outlook For Alabama
                              ALABAMA                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   AUG 23-27 AUG 25-AUG 31    JUN       JUN-AUG                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above                                            
 Precipitation:     Normal       Normal                                            

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Almanac Information


Historical Weather And Climate Facts For Today

//////////////////////////
AUGUST 18TH...HISTORIC WEATHER EVENTS
...1925...
During the late morning hours a severe hailstorm struck southeastern Iowa
completely destroying crops along a path six to ten miles wide and 75 miles
long. The hail also injured and killed poultry and livestock, and caused a
total of 2.5 million dollars damage. The hailstorm flattened fields of corn
to such an extent that many had to leave their farms in search of other
work. It was one of the worst hailstorms of record for the nation. (The
Weather Channel)
...1983...
Hurricane Alicia, a category 3 storm made landfall near Galveston. Winds 
gusted to 130 mph with a storm surge of 12 feet. 22 tornadoes were spawned. 
Parts of Houston received 11 inches of rain. 12 people died and 1800 were 
injured. Total damage estimated at $3 billion.
(NWS Louisville)
...1987...
Thirteen cities in the eastern U.S. reported record high temperatures for
the date, including Orlando FL with a reading of 98 degrees, and Portland
ME with a high of 94 degrees. Newark NJ reached 90 degrees for the
thirty-sixth time of the year, their second highest total of record. (The
National Weather Summary)
...1988...
Twenty-two cities, from the Carolinas to the Upper Ohio Valley, reported
record high temperatures for the date, pushing the total number of daily
record highs since the first of June above the 1100 mark. Afternoon highs
of 102 degrees at Greensboro NC and 105 degrees at Raleigh NC equalled
all-time records. Evening thunderstorms in Montana produced wind gusts to
75 mph at Scobey. (The National Weather Summary) (Storm Data)
...1989...
Thunderstorms over the Middle Atlantic Coast Region and the Upper Ohio
Valley produced torrential rains in eastern Virginia during the late
morning and afternoon hours. Totals ranged up to twelve inches at Yorktown.
Williamsburg VA was deluged with 10.78 inches of rain between 6 AM and 10
AM, with 6.72 inches reported in just two hours. Flash flooding caused
nearly twelve million dollars damage in Accomack County VA. Early evening
thunderstorms in the Central High Plains Region produced walnut size hail
and wind gusts to 80 mph around Casper WY. Thunderstorms produced locally
heavy rains in the Yellowstone Park area, causing fifteen mudslides. (The
National Weather Summary) (Storm Data)
...1995...
At 1 pm Bowling Green recorded an exceptionally high dew point of 81 degrees.
(NWS Louisville)

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky