Area Forecast Discussion
Issued by NWS Sioux Falls, SD

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
633
FXUS63 KFSD 211137
AFDFSD

Area Forecast Discussion
National Weather Service Sioux Falls SD
637 AM CDT Sat Apr 21 2018

.SHORT TERM...(Today and Tonight)
Issued at 318 AM CDT Sat Apr 21 2018

Overall quiet weather is expected this week. A large cut-off low
pressure system moving through the central Plains will be the main
driver of weather today. This morning`s overcast skies will
continue into the afternoon, with chances for sprinkles or light
rain for the tri-state area. Lift is weak with these showers, and
dry air near the surface will minimize accumulations. By the
evening, drier air moving in aloft will reduce the chance for
sprinkles and begin to break up clouds. Temperature in the upper
40s to low 50s are forecast, with light east winds.

.LONG TERM...(Sunday through Friday)
Issued at 318 AM CDT Sat Apr 21 2018

A warming trend is expected Sunday and especially Monday, as a upper
level ridge to the east and an approaching low allow warmer low-
level southerly flow to reach the region. Highs look to reach into
the 60s on Monday, which will be near normal for this time of year.

A quick moving shortwave trough moves through on Tuesday, bringing
our next chance for light rain. A tightening pressure gradient will
bring cooler, breezy north winds, gusting into the 20 mph range;
nothing out of the ordinary for this time of year, but will likely
be noticeable given the warmth and very light winds over the
preceding days. Temperatures will remain slightly below average
for the second half of the week.

&&

.AVIATION...(For the 12Z TAFS through 12Z Sunday morning)
Issued at 637 AM CDT Sat Apr 21 2018

Mid-level overcast skies are likely though 21/1800z, with scattered
light rain showers. During the afternoon, rain chance decrease and
clouds begin to thin, but multiple scattered cloud layers are likely
through Saturday night. Winds will be light over the next 24
hours.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...None.
MN...None.
IA...None.
NE...None.
&&

$$

SHORT TERM...VandenBoogart
LONG TERM...VandenBoogart
AVIATION...VandenBoogart



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.