Star Valley County Weather and Climate Synopsis



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Weather Summary

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Agricultural Weather Outlook

7 Day Forecast

Medium & Long Range Outlook

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Historical Facts


US Weekly Rainfall Departure		US Weekly Temperature Departure

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

STAR VALLEY County, Wyoming Agriculture, Lawn & Garden Weather Advisory

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Ag. Weather Forecast Parameter Maps:Spraying Conditions , Dewpoint Temperatures, Livestock Heat Stress

Regional Hourly Observations For STAR VALLEY County
500 PM MDT THU APR 18 2024

...CENTRAL WYOMING... CITY SKY/WX TMP DP RH WIND PRES REMARKS BIG PINEY PTSUNNY 39 9 29 SE6 30.10F WCI 35 PINEDALE CLOUDY 36 5 27 CALM 30.12F DUBOIS PTSUNNY 34 12 40 SE14 30.12S WCI 24 LANDER CLOUDY 39 22 50 VRB3 30.17F RIVERTON MOSUNNY 40 16 37 VRB6G18 30.17F CASPER SUNNY 40 15 36 NW7G18 30.19S DOUGLAS PTSUNNY 42 14 32 NW13G26 30.18S

Current Temperatures, Dewpoint, RH, Wind, Regional Obs, Surface 4-Panel
Current Agricultural Weather Conditions in Wyoming
Based on observations at 500pm MDT, Thursday April 18, 2024

Across Wyoming...temperatures are near 41 degrees north, near 40 degrees central, and near 32 degrees south. Current sky conditions are sunny north, mostly sunny central, and cloudy south. In the north, relative humidity is near 43%, and the dew point is near 20 degrees. In the central part of the state, relative humidity is near 37%, and the dew point is near 16 degrees. In the south, relative humidity is near 66%, and the dew point is near 22 degrees. Winds are from the northwest at 21 mph with gusts at 32 mph north, where conditions are not favorable for spraying due to strong winds. Winds are variable at 6 mph with gusts at 18 mph central, where conditions are not favorable for spraying due to strong winds. Winds are from the south at 7 mph south, where conditions are favorable for spraying. The wind chill is near 26 degrees south. Based on current available observations, the highest temperature is 48 degrees at EVANSTON. The lowest temperature is 26 degrees at LK YELLOWSTONE.

US Radar, All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For STAR VALLEY County,WY

141 AM MDT Thu Apr 18 2024 DAY ONE Today and Tonight. Mountain snow comes to an end through the morning. Afternoon snow showers are possible (30%-70% chances) for the western and northern mountains, mainly the Absarokas. DAYS TWO THROUGH SEVEN Friday through Wednesday. The probability for widespread hazardous weather is low. SPOTTER INFORMATION STATEMENT Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures.
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For STAR VALLEY County, WY
334 PM MDT Thu Apr 18 2024 THIS AFTERNOON
Mostly cloudy with a 20 percent chance of snow showers. Near steady temperature in the lower 30s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
TONIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows 14 to 20. Southeast winds around 10 mph.
FRIDAY
Partly cloudy. A slight chance of. Breezy with highs in the mid 30s. Southeast winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph in the afternoon.
FRIDAY NIGHT
Mostly cloudy. A slight chance of snow showers in the evening. Cold with lows around 20. East winds 10 to 15 mph. Chance of snow 20 percent.
SATURDAY
Partly cloudy in the morning, then clearing. Highs in the upper 40s. Southeast winds around 10 mph with gusts up to 20 mph in the afternoon.
SATURDAY NIGHT
Mostly clear. Lows in the upper 20s.
SUNDAY
Partly cloudy. A slight chance of. Breezy with highs in the upper 50s.
SUNDAY NIGHT
Partly cloudy in the evening, then mostly clear after midnight. Breezy with lows around 30.
MONDAY
Mostly sunny. A slight chance of. Breezy with highs in the lower 50s.
MONDAY NIGHT
Mostly clear. Lows in the upper 20s.
TUESDAY
Mostly sunny. Highs in the lower 50s.
TUESDAY NIGHT
Partly cloudy. Lows in the mid 30s.
WEDNESDAY
Partly cloudy in the morning, then mostly cloudy with a chance of rain showers in the afternoon. Highs in the lower 60s. Chance of rain 30 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 Wyoming WYOMING --------------------------------------------- 6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY APR 24-28 APR 26-MAY 2 JUN JUN-AUG ----------- ----------- -------- --------- Temperature: Precipitation: .... 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 18TH HISTORIC WEATHER EVENTS ...1880... More than two dozen tornadoes were reported from Kansas and Arkansas to Wisconsin and Michigan. More than 100 persons were killed, including 65 persons at Marshfield MO. (David Ludlum) ...1906... A severe earthquake shook San Francisco, and unusual easterly winds spread fires destroying the city. (David Ludlum) ...1944... California experienced its worst hailstorm of record. Damage mounted to two million dollars as two consecutive storms devastated the Sacramento Valley destroying the fruit crop. (The Weather Channel) ...1957... A dust devil near Dracut MA lifted a small child three feet into the air, and rolled two other children on the ground. Fortunately none of the three were hurt. The dust devil was accompanied by a loud whistling sound as it moved westward. (The Weather Channel) ...1970... Rapid City SD received a record 22 inches of snow in 24 hours. (17th-18th) (The Weather Channel)

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