Union County Weather and Climate Synopsis



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36 Hr. Forecast Map
All Radar images NOAA/UKAWC
Satellite images from NOAA

Weather Summary

Hourly Observations

Nowcast

Agricultural Weather Outlook

7 Day Forecast

Medium & Long Range Outlook

Almanac

Historical Facts


US Weekly Rainfall Departure		US Weekly Temperature Departure

Also see:
Current Soil Moisture Map All NWS Radars NWS Watch/Warning Maps UKAWC Regional Degree Day Maps 7-Day Dep. from Normal Rainfall Map 7-Day Dep. from Normal Temp. Map	Desktop Severe Weather Info US Weather at a Glance Southern Regional Climate Center State Crop/Weather Reports Crop Moisture Index (JAWF) Palmer Drought Index(NOAA) South Dakota State Climatology Office

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


Regional Weather Forecast
National Weather Service Bismarck ND
1239 AM CDT Thu Apr 25 2024 /1139 PM MDT Wed Apr 24 2024/

Clear to partly cloudy tonight, with scattered showers across 
southeastern North Dakota, eastern South Dakota, and southern 
Minnesota. Low temperatures tonight will generally be in the mid
30s to mid 40s.

Widespread highs in the 70s are expected by Thursday, with
increasing chances for showers and thunderstorms during the day
and for Thursday night. An isolated strong storm is possible,
mainly in western South Dakota. The weather will then trend 
cooler for the end of the work week and into the weekend, with 
continued decent chances for measurable rainfall Friday through 
Sunday for most areas.

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

UNION County, South Dakota Agriculture, Lawn & Garden Weather Advisory

Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook
Ag. Weather Forecast Parameter Maps:Spraying Conditions , Dewpoint Temperatures, Livestock Heat Stress

Hourly Observations For UNION County
500 AM CDT THU APR 25 2024

NORTHWEST IOWA CITY SKY/WX TMP DP RH WIND PRES REMARKS DENISON CLOUDY 52 39 62 SE14 30.11S TC 11 ESTHERVILLE CLOUDY 51 29 42 S20 30.12S TC 11 MAURICE CLOUDY 52 30 43 SE20G25 30.05S TC 11 SHELDON CLOUDY 52 28 40 SE17G23 30.06S TC 11 SIOUX CITY LGT RAIN 53 41 63 E8 30.06S TC 12 SPENCER CLOUDY 54 27 35 SE17G30 30.11S TC 12 STORM LAKE CLOUDY 50 30 46 SE13 30.12S TC 10

Current Temperatures, Dewpoint, RH, Wind, Surface 4-Panel
Current Agricultural Weather Conditions in South Dakota
Based on observations at 500am CDT, Thursday April 25, 2024

Across South Dakota...temperatures are near 55 east. Current sky condition is partly cloudy east.In the east, relative humidity is near 41%, and the dew point is near 32 degrees. Winds are unavailable west. Winds are unavailable central. Winds are from the southeast at 18 mph with gusts at 28 mph east, where conditions are not favorable for spraying due to strong winds. Based on current available observations, the highest temperature is 55 degrees at . The lowest temperature is 47 degrees at CHAMBERLAIN.

All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For UNION County,SD

449 AM CDT Thu Apr 25 2024 DAY ONE Today and tonight. Showers and storms are expected this evening and night. Storms are not expected to be severe but look to bring beneficial rainfall between a quarter to three quarters of an inch, highest over northwest Iowa. DAYS TWO THROUGH SEVEN Friday through Wednesday. Strong to severe storms are possible on Friday. The main risk area is northwest Iowa. SPOTTER INFORMATION STATEMENT Spotter activation is not expected at this time.
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For UNION County, SD
428 AM CDT Thu Apr 25 2024 TODAY
Partly sunny. A chance of showers with a slight chance of thunderstorms this afternoon. Breezy with highs in the upper 60s. Southeast winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 30 percent.
TONIGHT
A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Breezy with lows around 50. Southeast winds 20 to 25 mph with gusts up to 40 mph. Chance of rain near 100 percent.
FRIDAY
Thunderstorms, showers, breezy with highs in the lower 60s. Southeast winds 20 to 25 mph with gusts up to 45 mph. Chance of rain near 100 percent.
FRIDAY NIGHT
Showers and thunderstorms likely in the evening. Lows in the lower 50s. Southeast winds 15 to 20 mph with gusts up to 35 mph, becoming southwest with gusts up to 25 mph after midnight. Chance of rain 70 percent.
SATURDAY
Mostly cloudy. A slight chance of showers in the afternoon. Highs in the mid 60s. West winds 10 to 15 mph, becoming northwest in the afternoon. Chance of rain 20 percent.
SATURDAY NIGHT
Showers likely with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Breezy with lows in the upper 40s. Chance of rain 80 percent.
SUNDAY
A chance of thunderstorms. Showers, breezy with highs in the upper 50s. Chance of rain 80 percent.
SUNDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 30s. Chance of rain 40 percent.
MONDAY
Partly sunny. Highs in the lower 60s.
MONDAY NIGHT
Mostly clear. Lows in the mid 40s.
TUESDAY
Sunny. Much warmer with highs in the upper 70s.
TUESDAY NIGHT
Mostly clear. Lows in the upper 40s.
WEDNESDAY
Mostly sunny. Highs in the upper 70s.
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 South Dakota S DAKOTA --------------------------------------------- 6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY APR 30-MAY 4 MAY 2-MAY 8 JUN JUN-AUG ----------- ----------- -------- --------- Temperature: Above Above Precipitation: Above Above .... 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
Historical Weather And Climate Facts For Today

APRIL 25TH HISTORIC WEATHER EVENTS ...1875... New York City received three inches of snow, the latest measurable snow of record for that location. (David Ludlum) ...1898... The temperature at Volcano Springs CA hit 118 degrees to establish a U.S. record for the month of April. (The Weather Channel) ...1910... Chicago IL was blanketed with 2.5 inches of snow, and a total of 6.5 inches between the 22nd and the 26th. It was the latest significant snow of record for the city. (The Weather Channel) ...1920... Atlanta GA received 1.5 inches of snow, and experienced their latest freeze of record with a morning low of 32 degrees. The high of just 39 degrees was only their second daily high colder than 40 degrees in April. (The Weather Channel)

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