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Posted under Hot Shots, Photo

Tonight: Mostly clear. Low: 56-59. Wind: NW 5 mph.

Friday: Mostly sunny. High: 80-84. Wind: NW 5-15 mph.

Friday Night: Partly cloudy. Low: 57-61. Wind: SE 5-10 mph

Saturday: Partly cloudy with a 20% chance of showers/storms in the afternoon. High: low 80s.

Sunday: Partly cloudy with a 10% chance of showers/storms in the morning. High: mid 80s.

Monday: Mostly sunny. High: low 80s.

Tuesday: Mostly sunny. High: low 80s.

Wednesday: Partly cloudy. High: low 80s.

Thursday: Partly cloudy with a 20% chance of showers/storms. High: mid 80s.

 

You can see the International Space Station (ISS) this evening. Here is the viewing information:

Time: 10:43 PM
Duration: 3 min
Travel Path: WNW to SSE (max elevation 65 deg above horizon)

The cold front that brought the showers/storms to the area last night is now to our southeast. Here is the rainfall totals from last night.

Here is a more detailed list of rain totals. Click here.

High pressure has brought in cooler and less humid conditions to the Midwest. The high located over Nebraska is going to track east through the Midwest. The sky will be mostly clear tonight with very comfortable temperatures and humidity level. Friday will be mostly sunny with a few afternoon clouds as temperatures top out in the low 80s…another comfortable summer day.

As we look toward the weekend there are slight chances of showers/storms. A warm front may trigger some showers/storms in western Iowa Saturday morning and they will track east. Exact timing and how widespread they will be is uncertain at this point. Here is the position of the warm front Saturday morning.

There is also another chance of showers/storms Sunday morning. The best chance of rain is going to be Saturday night (30% chance). The map below is the rain forecast from Thursday evening to Sunday evening. Notice the rain amounts are not very high. So if you do see rain it will not be a lot.

Monday, Tuesday and Wednesday next week will be very pleasant. A large area of high pressure center over south central Canada is still forecast to stretch south across the Midwest and Great Lakes area. The map below shows the position of the high Monday morning.

Posted under Astronomy, Forecast Discussion

7 AM Wed -7 AM Thu

Location	County	Rain
Waterloo	Black Hawk	0.60
Dubuque	Dubuque	0.19
Cedar Rapids	Linn	0.21
Iowa City	Johnson	0.10
Ainsworth 7.4 N	Washington	0.04
ALLISON, IA	Butler	1.05
Anamosa	Jones	0.11
Anamosa 3SSW, IA	Jones	0.09
Andrew 0.1 S	Jackson	0.04
BELLE PLAINE, IA	Benton	0.35
CALMAR, IA	Winneshiek	1.09
CASCADE, IA	Dubuque	0.23
CEDAR FALLS	Black Hawk	0.47
Cedar Falls 1.4 SSE	Black Hawk	0.96
Cedar Rapids 3.4 NW	Linn	0.39
CLERMONT, IA	Fayette	0.84
COLWELL, IA	Floyd	0.94
CONRAD, IA	Grundy	0.80
Cresco	Howard	0.91
CRESCO 1NE, IA	Howard	1.23
Decorah 7.9 ENE	Winneshiek	1.53
Denver	Bremer	0.66
Dubuque #3, IA	Dubuque	0.14
Dubuque L&D 11, IA	Dubuque	0.10
Earlville	Delaware	0.30
EDGEWOOD, IA	Clayton	0.20
ELKADER 6SSW, IA	Clayton	0.39
Ely 0.5 SE	Linn	0.14
FAYETTE, IA	Fayette	1.08
FULTON, IA	Jackson	0.09
GARWIN, IA	Tama	0.21
GRUNDY CENTER, IA	Grundy	0.82
GUTTENBERG L & D 10, IA	Clayton	0.26
HAMPTON, IA	Franklin	1.82
HUBBARD, IA	Hardin	1.10
IONIA 2W, IA	Chickasaw	1.43
IOWA FALLS, IA	Hardin	1.12
LANSING 4SE, IA	Allamakee	0.71
Manchester	Delaware	0.28
MAQUOKETA 4 W, IA	Jackson	0.06
Marion 1.2 NE	Linn	0.32
MAYNARD 4 NE	Fayette	1.10
Monona WWTP, IA	Clayton	0.76
Monticello, IA	Jones	0.13
New Hampton	Chickasaw	1.00
New Hampton 0.4 SW	Chickasaw	0.90
New Hampton 1.7 S	Chickasaw	0.84
NEW HAMPTON, IA	Chickasaw	0.90
NORTH ENGLISH, IA	Iowa	0.14
NORTH LIBERTY	Johnson	0.50
North Liberty 1.0 ENE	Johnson	0.49
NORWAY	Benton	0.50
Oelwein	Fayette	0.90
Oelwein 0.8 WNW	Fayette	0.68
OSAGE , IA	Mitchell	1.42
PARKERSBURG	Butler	0.90
POPEJOY 1 S, IA	Franklin	1.67
Postville	Allamakee	0.90
Quasqueton 1.8 S	Buchanan	0.30
Solon 0.3 ESE	Johnson	0.43
ST ANSGAR, IA	Mitchell	1.57
STANLEY 4 W, IA	Buchanan	0.39
SWISHER, IA	Johnson	0.16
TOLEDO 3 N, IA	Tama	0.36
TRIPOLI, IA	Bremer	0.69
VINTON, IA	Benton	0.04
VOLGA 1NE, IA	Clayton	0.60
WASHINGTON, IA	Washington	0.04
Waterloo 1.8 SSE	Black Hawk	0.50
Waterloo 3.0 NNW	Black Hawk	0.82
WAUCOMA , IA	Fayette	0.80
Waucoma 3.2 S	Fayette	0.56
WAUKON, IA	Allamakee	1.04
WAVERLY	Bremer	0.80
What Cheer	Keokuk	0.24
WILLIAMSBURG 3 SE, IA	Iowa	0.53
Williamsburg 6.2 SW	Iowa	0.21

Posted under Precipitation Totals

From NWS
1997: Several rounds of severe thunderstorms produced very strong straight-line winds across Iowa. The first complex of storms moved from near Webster City east northeast into Wisconsin in just a few hours from around 11 pm on June 20th to 2 am on the 21st, producing wind gusts of 72 mph at Waterloo and 84 mph at Oelwein. The second cluster of severe storms entered southwestern Iowa shortly after 1 am on the 21st and moved rapidly eastward across southern Iowa before crossing into Illinois at around 5 am. These storms produced wind gusts of 66 mph at Red Oak, 81 mph at Knoxville, and 78 mph at Muscatine. Considerable damage was reported with the passage of both thunderstorm complexes and there was one fatality in Davenport when a tree was blown onto a tent.

1992: Unusually cold weather resulted in frost damage to crops in northeastern Iowa where Cresco recorded a low temperature of 35 F. Numerous daily record low temperatures were set across the area.

1988: Extreme heat affected Iowa on the first day of summer with temperatures soaring above 100 degrees at most stations around the state. The highest temperatures were recorded in northwestern Iowa including 105 F at Le Mars and Onawa, 106 F at Rock Rapids, 107 F at Hawarden, and 108 F at Sioux City which broke the all-time June record at that location. Elkader also set its all-time June record with a high of 103 F, while Des Moines tied its June record at 103 F.

1902: Unusually cool weather resulted in frost across portions of northern and western Iowa on June 21st and 22nd. On the morning of the 21st frost was reported from Spirit Lake over to Inwood and Sibley and south all the way to Atlantic. In most affected areas the frost was light and damage was minimal, but in a few low lying areas it was sufficient to freeze some crops and garden vegetables as reported by an observer at Spirit Lake. Low temperatures that morning included 37 F at Sioux Center, 36 F at Galva, 35 F at Guthrie Center, Sheldon, and Sibley, and 34 F at Fort Dodge and Larrabee.

This Day in National/World Weather History …

21 June 1942 → The temperature reached 129 degrees in Tirat Tsvi, Israel. 21 June 1972 → An F3 tornado destroyed two homes and several businesses in Eloy, AZ. Also, an F2 tornado damaged several hundred homes from northeast Phoenix into Paradise Valley. 21 June 1987 → A tornado destroyed 57 mobile homes at the Chateam Estates trailer park northwest of Detroit, MI killing 1 person and injuring 6 others. Total damage was estimated at 1.7 million dollars.

Posted under Weather History