Daily Superforecast
asLast update: 10:35 local time
Wednesday, Jun 05
Wind
Weather
288°
WNW
00h
3 kts
max 7 kts
20° C
20
96%
975 hpa
311°
NW
01h
7 kts
max 17 kts
19° C
19
95%
975 hpa
294°
WNW
02h
7 kts
max 15 kts
15° C
15
93%
976 hpa
292°
WNW
03h
6 kts
max 18 kts
15° C
15
95%
975 hpa
294°
WNW
04h
7 kts
max 20 kts
14° C
14
95%
975 hpa
302°
WNW
05h
6 kts
max 19 kts
13° C
13
94%
976 hpa
296°
WNW
06h
4 kts
max 14 kts
12° C
12
95%
976 hpa
285°
WNW
07h
4 kts
max 10 kts
13° C
13
91%
977 hpa
275°
W
08h
5 kts
max 8 kts
17° C
17
82%
977 hpa
256°
WSW
09h
7 kts
max 12 kts
20° C
20
74%
977 hpa
257°
WSW
10h
10 kts
max 14 kts
22° C
22
64%
976 hpa
256°
WSW
11h
11 kts
max 14 kts
24° C
24
53%
976 hpa
254°
WSW
12h
11 kts
max 14 kts
25° C
25
47%
976 hpa
253°
WSW
13h
12 kts
max 15 kts
26° C
26
43%
976 hpa
249°
WSW
14h
13 kts
max 18 kts
27° C
27
41%
976 hpa
241°
WSW
15h
13 kts
max 20 kts
27° C
27
42%
975 hpa
231°
SW
16h
13 kts
max 19 kts
28° C
28
44%
974 hpa
228°
SW
17h
13 kts
max 20 kts
28° C
28
45%
973 hpa
219°
SW
18h
11 kts
max 18 kts
27° C
28
49%
972 hpa
264°
W
19h
8 kts
max 17 kts
26° C
26
57%
973 hpa
296°
WNW
20h
7 kts
max 13 kts
0.44 mm
20° C
20
90%
974 hpa
256°
WSW
21h
4 kts
max 4 kts
0.06 mm
19° C
19
95%
974 hpa
263°
W
22h
6 kts
max 8 kts
18° C
18
98%
975 hpa
268°
W
23h
7 kts
max 15 kts
18° C
18
99%
976 hpa
Thursday, Jun 06
Wind
Weather
267°
W
00h
6 kts
max 10 kts
17° C
17
98%
976 hpa
275°
W
01h
6 kts
max 13 kts
16° C
16
97%
976 hpa
275°
W
02h
7 kts
max 19 kts
15° C
15
93%
976 hpa
285°
WNW
03h
8 kts
max 22 kts
14° C
14
88%
977 hpa
291°
WNW
04h
8 kts
max 21 kts
13° C
13
85%
977 hpa
293°
WNW
05h
7 kts
max 20 kts
12° C
12
86%
978 hpa
297°
WNW
06h
6 kts
max 19 kts
11° C
11
88%
979 hpa
289°
WNW
07h
6 kts
max 17 kts
13° C
13
83%
979 hpa
285°
WNW
08h
7 kts
max 16 kts
16° C
16
74%
980 hpa
282°
WNW
09h
9 kts
max 17 kts
19° C
19
63%
980 hpa
284°
WNW
10h
12 kts
max 23 kts
21° C
21
54%
979 hpa
293°
WNW
11h
14 kts
max 24 kts
22° C
22
47%
979 hpa
303°
WNW
12h
17 kts
max 28 kts
23° C
23
42%
979 hpa
299°
WNW
13h
18 kts
max 31 kts
23° C
23
39%
979 hpa
298°
WNW
14h
19 kts
max 32 kts
23° C
23
38%
979 hpa
298°
WNW
15h
19 kts
max 29 kts
24° C
24
38%
979 hpa
302°
WNW
16h
18 kts
max 28 kts
24° C
24
37%
979 hpa
302°
WNW
17h
17 kts
max 23 kts
24° C
24
38%
979 hpa
303°
WNW
18h
15 kts
max 22 kts
23° C
23
40%
979 hpa
302°
WNW
19h
12 kts
max 21 kts
22° C
22
44%
979 hpa
298°
WNW
20h
8 kts
max 22 kts
20° C
20
54%
980 hpa
293°
WNW
21h
6 kts
max 15 kts
17° C
17
59%
980 hpa
278°
W
22h
6 kts
max 7 kts
15° C
15
62%
980 hpa
273°
W
23h
6 kts
max 7 kts
14° C
14
66%
981 hpa
Friday, Jun 07
Wind
Weather
268°
W
00h
6 kts
max 8 kts
13° C
13
69%
981 hpa
275°
W
01h
6 kts
max 8 kts
12° C
12
73%
981 hpa
280°
W
02h
6 kts
max 7 kts
11° C
11
77%
982 hpa
278°
W
03h
6 kts
max 7 kts
11° C
11
80%
982 hpa
272°
W
04h
6 kts
max 7 kts
10° C
10
82%
982 hpa
275°
W
05h
5 kts
max 6 kts
9° C
8
86%
982 hpa
264°
W
06h
5 kts
max 6 kts
9° C
8
87%
982 hpa
263°
W
07h
3 kts
max 4 kts
11° C
11
81%
983 hpa
271°
W
08h
5 kts
max 8 kts
17° C
17
70%
983 hpa
283°
WNW
09h
6 kts
max 12 kts
20° C
20
61%
983 hpa
291°
WNW
10h
6 kts
max 10 kts
23° C
23
52%
983 hpa
304°
NW
11h
8 kts
max 13 kts
24° C
24
39%
983 hpa
298°
WNW
12h
7 kts
max 14 kts
25° C
25
37%
983 hpa
291°
WNW
13h
7 kts
max 13 kts
26° C
26
34%
982 hpa
284°
WNW
14h
8 kts
max 12 kts
27° C
27
34%
982 hpa
272°
W
15h
7 kts
max 9 kts
27° C
27
36%
981 hpa
254°
WSW
16h
7 kts
max 10 kts
28° C
28
37%
981 hpa
241°
WSW
17h
6 kts
max 9 kts
27° C
27
40%
980 hpa
209°
SSW
18h
4 kts
max 7 kts
27° C
27
43%
979 hpa
182°
S
19h
3 kts
max 6 kts
27° C
28
50%
979 hpa
240°
WSW
20h
3 kts
max 7 kts
25° C
25
53%
977 hpa
236°
SW
21h
4 kts
max 9 kts
23° C
23
61%
977 hpa
232°
SW
22h
6 kts
max 10 kts
21° C
21
69%
977 hpa
191°
S
23h
4 kts
max 8 kts
20° C
20
71%
977 hpa
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Additional information
General
This is the wind, wave and weather Superforecast for Johnston in Iowa, United States of America. Windfinder specializes in wind, waves, tides and weather reports & forecasts for wind related sports like kitesurfing, windsurfing, surfing, sailing or paragliding.
Superforecast
The Superforecast is based on the best high resolution weather prediction models. The Superforecast is available for Europe, North America, South Africa, Egypt and the Canary Islands. The horizontal resolution is 5 kilometers. The Superforecast is updated 4 times per day. Predictions are available in time steps of 1 hour for up to 3 days into the future. Forecast and Superforecast are based on different physical models and therefore may cause divergent predictions. Due to its higher horizontal resolution the Superforecast tends to be more accurate, especially for locations with a complex topography and local thermal effects. The arrows point in the direction in which the wind is blowing.Check the Superforecast for Johnston when you search for the best travel destinations for your kiteboarding, windsurfing or sailing vacations in United States of America. Or use the Superforecast to find the wind speed today in Johnston or to have a look at the wind direction tomorrow at Johnston.
Severe Weather Warnings
When a severe weather warning or advisory is provided by the local meteorological institute, we display it as a banner above the wind forecast.The weather warning, for example a high wind warning, can help you prepare for dangerous weather conditions and avoid weather-related risks. The color scale indicates the intensity of the predicted weather event. For more details click or tap on the warning. General information about severe weather warnings can be found in our help section.
Please be aware that severe weather may occur without a prior severe weather warning being reported.
Units
We use knots and degrees Celsius as our default units. These units are often used by sailors, kiters, surfers, windsurfers and paragliders. Use website settings to switch between units and 7 different languages at any time. For converting between wind speed units such as knots, km/h (kilometers per hour), m/s (meters per second), and mph (miles per hour) use our wind speed calculator.