Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Thompson, Iowa

Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →

Thompson, IA
Sunday, May 17 at 1:02 AM
72
°
Clear
Feels like
69°
Humidity
41%
Wind
5 mph
Sunrise
5:49 AM
Sunset
8:33 PM
Thompson, IA
Hour by hour · 24h
70°
15%
8p
65°
12%
9p
65°
12%
10p
64°
11p
63°
12a
63°
1a
62°
2a
60°
3a
58°
4a
56°
5a
55°
6a
56°
7a
62°
8a
66°
9a
72°
10a
77°
11a
81°
12p
84°
1p
87°
2p
88°
3p
86°
4p
84°
5p
81°
13%
6p
78°
29%
7p
L 55°H 88°
Thompson, IA
7-day forecast
  1. Today
    May 16
    Foggy
    81°52°
  2. Sunday
    May 17
    Light Drizzle
    31%
    72°60°
  3. Monday
    May 18
    Showers
    98%
    69°60°
  4. Tuesday
    May 19
    Light Drizzle
    98%
    57°46°
  5. Wednesday
    May 20
    Overcast
    60°45°
  6. Thursday
    May 21
    Light Drizzle
    62°45°
  7. Friday
    May 22
    Drizzle
    13%
    54°51°
Thompson, IA
Anemometer · 24h winds · from true
NESW
From · True
ENE
072° · veering 142°
Direction
ENE
072°
Sustained
5
mph
Gust
8
mph
Peak 24h
25
avg 6
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 25 @ 11:00p
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Thompson, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
964.4
+0.3 mb in 3h · steady · 28.48 inHg
Now
964.4
mb
3h
+0.3
mb
12h
-2.4
mb
24h
+4.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 960967
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Thompson, IA
Air quality
59
AQI
Moderate
PM 2.5
5.6 μg/m³
PM 10
7.4 μg/m³
NO₂
2.4 μg/m³
Ozone
96.0 μg/m³
UV Index
0.1 Low
Thompson, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:18 AM
Sunrise
5:49 AM
Daylight
14h 44m
Sunset
8:33 PM
Civil dusk
2:07 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Thompson, IA
The moon
New Moon
0% illuminated
Moonrise
10:51 AM
Moonset
2:08 AM
In sign
♉︎ Taurus
Thompson, IA
Microseason · 28 of 72
May 16–20

Roses Bloom Along the Shelter Rows

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Thompson at a glance

  • Today vs. normal: 4°F above the seasonal normal for this latitude
  • Last frost: May 6 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Cool-season window is open

As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Thompson

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.