Hourly Weather Forecast for Saturday

Johnston, Iowa (50131)
Source 
Forecast data derived from Weather Underground BestForecast
Temperature / Dew Point (°F):
Humidity (%):
Pressure (in):
Wind (mph):
Conditions:
Probability of Precipitation (%):
Cloud Cover (%):
Monday
chancetstorms Partly cloudy early then heavy thunderstorms this afternoon. High 72F. Winds NE at 10 to 20 mph. Chance of rain 80%.
Monday Night
nt_rain A steady, heavy rain this evening. Showers continuing overnight. Low 59F. Winds E at 10 to 15 mph. Chance of rain 90%. 1 to 2 inches of rain expected.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point | 71 | 56 69 | 57 62 | 57
Wind mph 15 mph NE 13 mph ENE 8 mph ENE
Humidity % 59% 65% 83%
Chance of Precip. 0% 0% 70% 90%
Cloud Cover % 80% 98% 100%
Conditions Overcast Thunderstorm Rain
Sunrise & Sunset
6:07 AM
8:16 PM
Tuesday
chancetstorms Cloudy in the morning with scattered thunderstorms developing later in the day. High 79F. Winds SE at 10 to 15 mph. Chance of rain 50%.
Tuesday Night
nt_chancerain Overcast with rain showers at times. Thunder possible. Low 61F. Winds SE at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 59 72 | 60 77 | 60 65 | 59
Wind 7 mph ESE 10 mph SE 10 mph SE 8 mph SE
Humidity 95% 67% 55% 80%
Chance of Precip. 30% 20% 40% 40%
Cloud Cover 100% 97% 74% 52%
Conditions Chance of Rain Overcast Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
6:06 AM
8:17 PM
Wednesday
tstorms Mostly cloudy and becoming windy with thunderstorms likely in the afternoon. High 78F. Winds SSE at 20 to 30 mph. Chance of rain 80%.
Wednesday Night
nt_tstorms Partly cloudy during the evening with thunderstorms becoming likely overnight. Low 64F. Winds SSE at 15 to 25 mph. Chance of rain 80%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 58 76 | 60 74 | 57 66 | 58
Wind 9 mph SE 19 mph S 20 mph SSE 15 mph SSE
Humidity 87% 58% 55% 74%
Chance of Precip. 10% 60% 40% 20%
Cloud Cover 64% 75% 83% 60%
Conditions Mostly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm Mostly Cloudy
Sunrise & Sunset
6:05 AM
8:18 PM
Thursday
chancetstorms Windy...showers and thunderstorms in the morning will give way to partly cloudy skies late. High 78F. Winds SSW at 20 to 30 mph. Chance of rain 80%.
Thursday Night
nt_tstorms Scattered thunderstorms in the evening, then mainly cloudy overnight with thunderstorms likely. Low 63F. Winds WSW at 10 to 15 mph. Chance of rain 80%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 59 74 | 63 76 | 62 67 | 61
Wind 17 mph S 23 mph SSW 16 mph SSW 9 mph SW
Humidity 81% 69% 63% 80%
Chance of Precip. 70% 10% 10% 40%
Cloud Cover 75% 70% 52% 50%
Conditions Thunderstorm Partly Cloudy Partly Cloudy Chance of a Thunderstorm
Sunrise & Sunset
6:04 AM
8:19 PM
Friday
tstorms Scattered thunderstorms in the morning becoming more widespread in the afternoon. High 76F. Winds ENE at 5 to 10 mph. Chance of rain 80%.
Friday Night
nt_tstorms Scattered thunderstorms during the evening becoming more widespread overnight. Low near 60F. Winds E at 5 to 10 mph. Chance of rain 90%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 61 71 | 63 74 | 60 65 | 58
Wind 6 mph SW 9 mph NE 8 mph SE 5 mph E
Humidity 90% 77% 62% 78%
Chance of Precip. 40% 50% 70% 40%
Cloud Cover 82% 90% 75% 50%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
6:02 AM
8:20 PM
Saturday
tstorms Thunderstorms likely in the morning. Then the chance of scattered thunderstorms in the afternoon. High 78F. Winds E at 10 to 15 mph. Chance of rain 80%.
Saturday Night
nt_tstorms Thunderstorms. Low near 60F. Winds E at 10 to 15 mph. Chance of rain 80%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 58 71 | 61 76 | 62 65 | 60
Wind 6 mph E 9 mph E 13 mph ESE 8 mph ENE
Humidity 88% 71% 61% 85%
Chance of Precip. 70% 50% 20% 70%
Cloud Cover 100% 83% 56% 75%
Conditions Rain Chance of a Thunderstorm Partly Cloudy Thunderstorm
Sunrise & Sunset
6:01 AM
8:21 PM
Sunday
tstorms Scattered thunderstorms in the morning becoming more widespread in the afternoon. High 78F. Winds SSE at 10 to 20 mph. Chance of rain 80%.
Sunday Night
nt_chancetstorms Isolated thunderstorms during the evening, then skies turning partly cloudy overnight. Low 53F. Winds W at 10 to 15 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 61 73 | 63 74 | 61 60 | 55
Wind 7 mph E 13 mph S 14 mph SSW 9 mph W
Humidity 97% 71% 63% 83%
Chance of Precip. 80% 50% 70% 30%
Cloud Cover 95% 58% 75% 40%
Conditions Thunderstorm Chance of a Thunderstorm Thunderstorm Chance of Rain
Sunrise & Sunset
6:00 AM
8:22 PM
Monday
cloudy Cloudy. High 68F. Winds NW at 10 to 20 mph.
Monday Night
nt_partlycloudy A few clouds. Low 47F. Winds N at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 47 62 | 47 65 | 45 53 | 43
Wind 12 mph NW 14 mph NW 14 mph NW 8 mph N
Humidity 79% 58% 48% 68%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 34% 88% 63% 18%
Conditions Partly Cloudy Overcast Mostly Cloudy Clear
Sunrise & Sunset
5:59 AM
8:23 PM
Tuesday
clear Mostly sunny skies. High 71F. Winds NE at 10 to 15 mph.
Tuesday Night
nt_clear A few clouds from time to time. Low 52F. Winds E at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 42 63 | 42 68 | 46 57 | 45
Wind 8 mph N 10 mph NNE 10 mph E 6 mph E
Humidity 80% 47% 44% 65%
Chance of Precip. 10% 0% 10% 10%
Cloud Cover 27% 26% 25% 27%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:58 AM
8:24 PM
Wednesday
clear A few clouds from time to time. High around 75F. Winds SE at 10 to 15 mph.
Wednesday Night
nt_chancerain Overcast with rain showers at times. Low 54F. Winds E at 10 to 15 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 45 66 | 50 71 | 54 60 | 48
Wind 7 mph E 11 mph SE 12 mph SE 8 mph ESE
Humidity 73% 56% 54% 66%
Chance of Precip. 10% 0% 10% 50%
Cloud Cover 21% 22% 32% 61%
Conditions Clear Clear Partly Cloudy Chance of Rain
Sunrise & Sunset
5:57 AM
8:25 PM
Thursday
chancerain Showers early becoming less numerous later in the day. High near 75F. Winds ESE at 10 to 20 mph. Chance of rain 40%.
Thursday Night
nt_chancerain Cloudy with a few showers. Low near 55F. Winds ESE at 10 to 15 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 46 68 | 49 72 | 52 62 | 50
Wind 8 mph E 13 mph E 14 mph ESE 11 mph ESE
Humidity 72% 51% 50% 66%
Chance of Precip. 40% 20% 30% 30%
Cloud Cover 62% 62% 60% 50%
Conditions Chance of Rain Mostly Cloudy Chance of Rain Chance of Rain
Sunrise & Sunset
Sun does not rise
Friday
partlycloudy Intervals of clouds and sunshine. High 77F. Winds SE at 10 to 20 mph.
Friday Night
nt_chancerain Cloudy with occasional showers. Low 58F. Winds SE at 10 to 20 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 49 70 | 53 74 | 55 65 | 53
Wind 10 mph SE 15 mph SE 16 mph SE 11 mph SE
Humidity 77% 55% 52% 67%
Chance of Precip. 30% 20% 20% 30%
Cloud Cover 44% 41% 33% 40%
Conditions Chance of Rain Partly Cloudy Partly Cloudy Chance of Rain
Sunrise & Sunset
Sun does not rise
Saturday
partlycloudy Partly cloudy skies. High 79F. Winds SSE at 15 to 25 mph.
Saturday Night
nt_chancetstorms Mostly cloudy with showers and a few thunderstorms. Low 58F. Winds SSE at 10 to 20 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 53 72 | 57 75 | 59 65 | 58
Wind 11 mph SSE 17 mph SSE 17 mph S 12 mph SSE
Humidity 79% 59% 58% 78%
Chance of Precip. 40% 20% 20% 40%
Cloud Cover 50% 34% 31% 50%
Conditions Chance of Rain Partly Cloudy Partly Cloudy Chance of Rain
Sunrise & Sunset
Sun does not rise
Sunday
chancetstorms Partly cloudy in the morning followed by scattered thunderstorms in the afternoon. High 78F. Winds S at 15 to 25 mph. Chance of rain 40%.
Sunday Night
nt_chancetstorms Variable clouds with scattered thunderstorms. Low around 60F. Winds SSE at 10 to 20 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 56 73 | 59 76 | 61 66 | 58
Wind 10 mph SSE 16 mph S 16 mph S 11 mph SSE
Humidity 88% 63% 59% 77%
Chance of Precip. 40% 20% 40% 40%
Cloud Cover 50% 45% 54% 57%
Conditions Chance of Rain Partly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
Sun does not rise
Monday
chancetstorms Variable clouds with scattered showers and thunderstorms, mainly in the afternoon. High 79F. Winds S at 10 to 20 mph. Chance of rain 40%.
Monday Night
nt_tstorms Scattered thunderstorms in the evening, then mainly cloudy overnight with thunderstorms likely. Low near 60F. Winds SSE at 10 to 15 mph. Chance of rain 80%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 56 73 | 59 76 | 61 66 | 59
Wind 9 mph SSE 14 mph S 13 mph S 8 mph SE
Humidity 85% 62% 59% 78%
Chance of Precip. 40% 20% 40% 60%
Cloud Cover 62% 67% 69% 60%
Conditions Chance of Rain Mostly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
Sun does not rise